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0.0736 American Mutual Fund 2026-04-30 American Mutual Fund® Class A AMRMX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-A. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-A (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund costs for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class A</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>29</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.57<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 29 0.0057 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599123.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in and disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class C AMFCX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-C. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-C (800) 421-4225 <div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund costs for the last six months?</div> (based on a hypothetical $10,000 investment)</div><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class C</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>67</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">1.32<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 67 0.0132 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 7.5pt;"><div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;">Portfolio holdings by sector </div>(percent of net <div style="display:inline;">assets</div>)</div></div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599167.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in and disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class T TAMFX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund costs for the last six <div style="display:inline;">months</div>?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class T</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>16</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.32<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 16 0.0032 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div><div style="display:inline;">statistics</div></div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599871.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class F-1 AMFFX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-F1. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-F1 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="display:inline;">costs </div>for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class F-1</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>33</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.64<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 33 0.0064 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599211.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in and disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, <div style="display:inline;">2024 </div>and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class F-2 AMRFX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-F2. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-F2 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were <div style="display:inline;">the </div>fund costs for the last six months?</div> (<div style="display:inline;">based </div>on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class F-2</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>19</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.38<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 19 0.0038 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599255.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) <div style="display:inline;">was</div> dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class F-3 AFMFX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-F3. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-F3 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the <div style="display:inline;">fund </div>costs for the <div style="display:inline;">last </div>six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class F-3</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>14</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.27<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 14 0.0027 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599827.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was <div style="display:inline;">dismissed </div>and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-A CMLAX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-529A. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-529A (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the <div style="letter-spacing: 0px; top: 0px;display:inline;">fund </div>costs for the last six months?</div> (based <div style="letter-spacing: 0px; top: 0px;display:inline;">on </div>a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-A</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>31</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.60<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 31 0.006 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics<br/></div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;">Portfolio holdings by sector </div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599299.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in and disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal <div style="display:inline;">year </div>ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-C CMLCX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-529C. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-529C (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="display:inline;">costs </div>for the last six months?</div> (based <div style="display:inline;">on </div>a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-C</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>70</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">1.37<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 70 0.0137 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by <div style="display:inline;">sector </div></div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599343.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in and disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was <div style="display:inline;">dismissed </div>and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-E CMLEX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-529E. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-529E (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund costs <div style="display:inline;">for </div>the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-E</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>43</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.85<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 43 0.0085 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by <div style="display:inline;">sector </div></div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599431.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a <div style="display:inline;">broader </div>effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-T TAFMX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund costs for the <div style="letter-spacing: 0px; top: 0px;display:inline;">last </div>six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-T</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>19</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.37<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 19 0.0037 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 7.5pt;"><div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;">Portfolio holdings by sector </div>(percent of net <div style="display:inline;">assets</div>)</div></div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599915.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="letter-spacing: 0px; top: 0px;display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board <div style="letter-spacing: 0px; top: 0px;display:inline;">oversight </div>and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-F-1 CMLFX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-529F1. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-529F1 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the <div style="display:inline;">fund </div>costs for the last six months?</div> (based <div style="display:inline;">on </div>a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-F-1</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>23</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.45<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 23 0.0045 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by <div style="display:inline;">sector </div></div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599387.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in and <div style="display:inline;">disagreements </div>with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, <div style="display:inline;">including </div>a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-F-2 FFMMX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-529F2. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-529F2 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="display:inline;">costs </div>for the last six months?</div> (based <div style="display:inline;">on </div>a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-F-2</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>18</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.36<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 18 0.0036 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599959.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed <div style="display:inline;">and </div>PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class 529-F-3 FFFMX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-529F3. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-529F3 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the <div style="display:inline;">fund </div>costs for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class 529-F-3</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>17</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.33<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 17 0.0033 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings by <div style="display:inline;">sector </div></div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1600003.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and <div style="display:inline;">PricewaterhouseCoopers </div>LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-1 RMFAX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R1. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R1 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="display:inline;">costs </div>for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-1</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>69</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">1.36<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 69 0.0136 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599475.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes <div style="display:inline;">in </div>and disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-2 RMFBX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R2. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R2 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the <div style="display:inline;">fund </div>costs for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-2</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>69</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">1.36<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 69 0.0136 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599519.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-2E RMEBX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R2E. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R2E (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the <div style="display:inline;">fund </div>costs <div style="display:inline;">for </div>the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-2E</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>55</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">1.07<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 55 0.0107 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599739.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-3 RMFCX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R3. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R3 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"> <div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="letter-spacing: 0px; top: 0px;display:inline;">costs </div>for the last <div style="letter-spacing: 0px; top: 0px;display:inline;">six</div> months?</div> (based on a hypothetical $10,000 investment)</div> </div> <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"> <table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"> <tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"> <td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td> <td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td> <td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td> </tr> <tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"> <td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-3</td> <td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>47</td> <td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.91<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td> </tr> </table> </div> <div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 47 0.0091 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div> <table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"> <tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"> <td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td> <td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td> </tr> <tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"> <td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td> <td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td> </tr> <tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"> <td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td> <td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td> </tr> </table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599563.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes <div style="letter-spacing: 0px; top: 0px;display:inline;">in </div>and disagreements <div style="letter-spacing: 0px; top: 0px;display:inline;">with </div>accountants</div> <div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-4 RMFEX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R4. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R4 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="letter-spacing: 0px; top: 0px;display:inline;">costs </div>for the last <div style="letter-spacing: 0px; top: 0px;display:inline;">six </div>months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-4</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>32</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.62<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 32 0.0062 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599607.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="letter-spacing: 0px; top: 0px;display:inline;">and </div>disagreements <div style="letter-spacing: 0px; top: 0px;display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-5E RMFHX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R5E. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R5E (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund costs <div style="display:inline;">for </div>the last <div style="display:inline;">six </div>months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-5E</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>21</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.42<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 21 0.0042 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key fund statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599783.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements <div style="display:inline;">with </div>accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-5 RMFFX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R5. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R5 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What were the fund <div style="display:inline;">costs </div>for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-5</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>16</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.32<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 16 0.0032 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund </div>statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599651.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed <div style="display:inline;">and </div>PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s board of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 American Mutual Fund® Class R-6 RMFGX This semi-annual shareholder report contains important information about American Mutual Fund (the "fund") for the period from November 1, 2025 to April 30, 2026. semi-annual shareholder report You can find additional information about the fund at capitalgroup.com/mutual-fund-literature-R6. You can also request this information by contacting us at (800) 421-4225. capitalgroup.com/mutual-fund-literature-R6 (800) 421-4225 <div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 6pt;"><div style="margin-top: 0; margin-right: 0; margin-bottom: 0; margin-left: 0; font-family: 'Arial'; font-size: 10pt; font-weight: normal; line-height: 13pt; color: rgb(0, 0, 0);"><div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;">What <div style="display:inline;">were </div>the fund costs for the last six months?</div> (based on a hypothetical $10,000 investment)</div></div><div style="font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin-bottom: 4pt;"><table style="text-align:start; break-inside: avoid-page; page-break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"><tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"><td style="break-inside: avoid; padding: 3pt 6pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255); width: 126.9pt;"><div style="font-weight:bolder;display:inline;">Share class</div></td><td style="break-inside: avoid; padding: 3pt 6pt; width: 171.072pt; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"><div style="font-weight:bolder;display:inline;">Costs of a $10,000 investment</div></td><td style="break-inside: avoid; padding: 3pt 0px; font-family: &quot;Times New Roman&quot;; font-size: 10pt; line-height: 10pt; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); width: 267.948pt; border-right: initial initial;"><div style="font-weight:bolder;display:inline;">Costs paid as a percentage of a $10,000 investment</div></td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; height: 20pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; padding-right: 6pt; padding-left: 6pt; width: 126.9pt; vertical-align: bottom;">Class R-6</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>14</td><td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; text-align: center; white-space: nowrap; width: 267.948pt; padding-right: 0; padding-left: 0; vertical-align: bottom;">0.27<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div><div style="font-size: smaller; vertical-align: super;display:inline;">*</div></td></tr></table></div><div style="margin-top: 0; margin-right: 0; margin-bottom: 4pt; margin-left: 0; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt;">*Annualized.</div> 14 0.0027 <div style="margin-top: 18pt; margin-right: 0; margin-bottom: 3pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158);">Key <div style="display:inline;">fund</div> statistics</div><table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Fund net assets (in millions)</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;"><div style="float: none; letter-spacing: 0px; top: 0px;display:inline;">$</div>114,655</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Total number of portfolio holdings</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">157</td></tr><tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt;"><td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; text-align: left; width: 70%; font-weight: normal;">Portfolio turnover rate</td><td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Arial'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); padding-top: 3pt; padding-bottom: 3pt; line-height: 9pt; padding-right: 0; padding-left: 0; white-space: nowrap;">25<div style="letter-spacing: 0px; top: 0px;display:inline;">%</div></td></tr></table> 114655000000 157 0.25 <div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 18pt; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 10pt; font-family: 'Arial'; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding-left: 27pt;"><div style="font-family: &quot;Times New Roman&quot;; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0px; border-bottom: initial initial;font-weight:bolder;display:inline;"><div style="font-weight:bolder;display:inline;">Portfolio holdings <div style="display:inline;">by </div>sector </div></div>(percent of net assets)</div><img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1599695.jpg" style="display: block; width: 300pt;"/> <div style="margin-top: 0; margin-right: 0; margin-bottom: 2.0016pt; margin-left: 0; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 12pt; color: rgb(0, 95, 158);">Changes in <div style="display:inline;">and </div>disagreements with accountants</div><div style="margin-top: 0; margin-right: 0; margin-bottom: 10pt; margin-left: 0; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'Arial'; line-height: 11pt;">On September 11, 2025, Deloitte &amp; Touche LLP (“D&amp;T”) was dismissed and PricewaterhouseCoopers LLP was appointed as the fund’s independent registered public accounting firm for the fiscal year ending October 31, 2026 audit. The change in the fund’s independent registered public accounting firm was approved by the fund’s <div style="display:inline;">board </div>of trustees, including a majority of the independent trustees, upon recommendation of the audit committee, as part of a broader effort to update board oversight and fund operations. At no point during the fund’s fiscal years ended October 31, 2024 and October 31, 2025, and the subsequent interim period through December 11, 2025, were there any disagreements between management and D&amp;T on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure.</div> 2025-09-11 Annualized.