| Stockholders' Equity and Noncontrolling Interests |
Note 7—Stockholders’ Equity and Noncontrolling Interests Net income attributable to noncontrolling interests is classified below net income. Earnings per share is determined after the impact of the noncontrolling interests’ share in net income of the Company. In addition, the equity attributable to noncontrolling interests is presented as a separate caption within equity. A rollforward of consolidated changes in equity and redeemable noncontrolling interests for the three months ended September 30, 2026 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stockholders’ equity attributable to Amphenol Corporation | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accumulated | | | | | | | | Redeemable | | | Common Stock | | Treasury Stock | | Additional | | | | | Other | | Non- | | | | | Non- | | | Shares | | | | | Shares | | | | | Paid-In | | Retained | | Comprehensive | | controlling | | Total | | controlling | | | (in millions) | | Amount | | (in millions) | | Amount | | Capital | | Earnings | | Loss | | Interests | | Equity | | Interests | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of June 30, 2026 | | 2,470.4 | | $ | 2.5 | | (5.0) | | $ | (256.0) | | $ | 4,504.4 | | $ | 11,644.9 | | $ | (404.2) | | $ | 121.5 | | $ | 15,613.1 | | $ | 9.0 | Net income | | | | | | | | | | | | | | | | 2,034.3 | | | | | | 20.3 | | | 2,054.6 | | | 0.1 | Other comprehensive income (loss) | | | | | | | | | | | | | | | | | | | 28.5 | | | 1.0 | | | 29.5 | | | (0.1) | Distributions to and purchases of noncontrolling interests | | | | | | | | | | | | | | | | | | | | | | (3.9) | | | (3.9) | | | | Purchase of treasury stock | | | | | | | (3.0) | | | (244.7) | | | | | | | | | | | | | | | (244.7) | | | | Retirement of treasury stock | | (3.0) | | | — | | 3.0 | | | 244.7 | | | | | | (244.7) | | | | | | | | | — | | | | Stock options exercised | | 5.2 | | | — | | 0.8 | | | 45.3 | | | 66.7 | | | (36.6) | | | | | | | | | 75.4 | | | | Dividends declared ($0.125 per common share) | | | | | | | | | | | | | | | | (308.5) | | | | | | | | | (308.5) | | | | Stock-based compensation expense | | | | | | | | | | | | | 47.0 | | | | | | | | | | | | 47.0 | | | | Balance as of September 30, 2026 | | 2,472.6 | | $ | 2.5 | | (4.2) | | $ | (210.7) | | $ | 4,618.1 | | $ | 13,089.4 | | $ | (375.7) | | $ | 138.9 | | $ | 17,262.5 | | $ | 9.0 |
A rollforward of consolidated changes in equity and redeemable noncontrolling interests for the nine months ended September 30, 2026 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stockholders’ equity attributable to Amphenol Corporation | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accumulated | | | | | | | | Redeemable | | | Common Stock | | Treasury Stock | | Additional | | | | | Other | | Non- | | | | | Non- | | | Shares | | | | | Shares | | | | | Paid-In | | Retained | | Comprehensive | | controlling | | Total | | controlling | | | (in millions) | | Amount | | (in millions) | | Amount | | Capital | | Earnings | | Loss | | Interests | | Equity | | Interests | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of December 31, 2025 | | 2,457.9 | | $ | 2.5 | | (4.8) | | $ | (195.8) | | $ | 4,231.6 | | $ | 9,854.3 | | $ | (479.5) | | $ | 87.3 | | $ | 13,500.4 | | $ | 9.3 | Net income | | | | | | | | | | | | | | | | 4,736.5 | | | | | | 45.7 | | | 4,782.2 | | | — | Other comprehensive income (loss) | | | | | | | | | | | | | | | | | | | 103.8 | | | 3.5 | | | 107.3 | | | (0.3) | Acquisitions resulting in noncontrolling interests | | | | | | | | | | | | | | | | | | | | | | 6.9 | | | 6.9 | | | | Distributions to and purchases of noncontrolling interests | | | | | | | | | | | | | | | | | | | | | | (4.5) | | | (4.5) | | | | Purchase of treasury stock | | | | | | | (8.5) | | | (630.6) | | | | | | | | | | | | | | | (630.6) | | | | Retirement of treasury stock | | (6.0) | | | — | | 6.0 | | | 452.5 | | | | | | (452.5) | | | | | | | | | — | | | | Stock options exercised | | 20.7 | | | — | | 3.1 | | | 163.2 | | | 259.9 | | | (125.0) | | | | | | | | | 298.1 | | | | Dividends declared ($0.375 per common share) | | | | | | | | | | | | | | | | (923.9) | | | | | | | | | (923.9) | | | | Stock-based compensation expense | | | | | | | | | | | | | 126.6 | | | | | | | | | | | | 126.6 | | | | Balance as of September 30, 2026 | | 2,472.6 | | $ | 2.5 | | (4.2) | | $ | (210.7) | | $ | 4,618.1 | | $ | 13,089.4 | | $ | (375.7) | | $ | 138.9 | | $ | 17,262.5 | | $ | 9.0 |
A rollforward of consolidated changes in equity and redeemable noncontrolling interests for the three months ended September 30, 2025 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stockholders’ equity attributable to Amphenol Corporation | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accumulated | | | | | | | | Redeemable | | | Common Stock | | Treasury Stock | | Additional | | | | | Other | | Non- | | | | | Non- | | | Shares | | | | | Shares | | | | | Paid-In | | Retained | | Comprehensive | | controlling | | Total | | controlling | | | (in millions) | | Amount | | (in millions) | | Amount | | Capital | | Earnings | | Loss | | Interests | | Equity | | Interests | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of June 30, 2025 | | 2,443.8 | | $ | 2.4 | | (3.7) | | $ | (104.9) | | $ | 3,956.5 | | $ | 8,135.2 | | $ | (469.9) | | $ | 70.3 | | $ | 11,589.6 | | $ | 10.1 | Net income | | | | | | | | | | | | | | | | 1,245.7 | | | | | | 9.3 | | | 1,255.0 | | | 0.1 | Other comprehensive income (loss) | | | | | | | | | | | | | | | | | | | (37.8) | | | 0.4 | | | (37.4) | | | — | Distributions to shareholders of noncontrolling interests | | | | | | | | | | | | | | | | | | | | | | (3.6) | | | (3.6) | | | | Purchase of treasury stock | | | | | | | (2.8) | | | (152.9) | | | | | | | | | | | | | | | (152.9) | | | | Retirement of treasury stock | | — | | | — | | — | | | — | | | | | | — | | | | | | | | | — | | | | Stock options exercised | | 8.8 | | | — | | 1.2 | | | 36.9 | | | 98.1 | | | (24.0) | | | | | | | | | 111.0 | | | | Dividends declared ($0.0825 per common share) | | | | | | | | | | | | | | | | (201.9) | | | | | | | | | (201.9) | | | | Stock-based compensation expense | | | | | | | | | | | | | 36.9 | | | | | | | | | | | | 36.9 | | | | Balance as of September 30, 2025 | | 2,452.6 | | $ | 2.4 | | (5.3) | | $ | (220.9) | | $ | 4,091.5 | | $ | 9,155.0 | | $ | (507.7) | | $ | 76.4 | | $ | 12,596.7 | | $ | 10.2 |
A rollforward of consolidated changes in equity and redeemable noncontrolling interests for the nine months ended September 30, 2025 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stockholders’ equity attributable to Amphenol Corporation | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accumulated | | | | | | | | Redeemable | | | Common Stock | | Treasury Stock | | Additional | | | | | Other | | Non- | | | | | Non- | | | Shares | | | | | Shares | | | | | Paid-In | | Retained | | Comprehensive | | controlling | | Total | | controlling | | | (in millions) | | Amount | | (in millions) | | Amount | | Capital | | Earnings | | Loss | | Interests | | Equity | | Interests | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of December 31, 2024 | | 2,425.7 | | $ | 2.4 | | (7.1) | | $ | (199.7) | | $ | 3,600.6 | | $ | 7,105.0 | | $ | (716.3) | | $ | 55.4 | | $ | 9,847.4 | | $ | 8.7 | Net income | | | | | | | | | | | | | | | | 3,074.8 | | | | | | 24.9 | | | 3,099.7 | | | 0.4 | Other comprehensive income (loss) | | | | | | | | | | | | | | | | | | | 208.6 | | | 1.6 | | | 210.2 | | | 1.1 | Distributions to shareholders of noncontrolling interests | | | | | | | | | | | | | | | | | | | | | | (5.5) | | | (5.5) | | | | Purchase of treasury stock | | | | | | | (12.2) | | | (493.9) | | | | | | | | | | | | | | | (493.9) | | | | Retirement of treasury stock | | (9.4) | | | — | | 9.4 | | | 341.0 | | | | | | (341.0) | | | | | | | | | — | | | | Stock options exercised | | 36.3 | | | — | | 4.6 | | | 131.7 | | | 396.1 | | | (81.1) | | | | | | | | | 446.7 | | | | Dividends declared ($0.2475 per common share) | | | | | | | | | | | | | | | | (602.7) | | | | | | | | | (602.7) | | | | Stock-based compensation expense | | | | | | | | | | | | | 94.8 | | | | | | | | | | | | 94.8 | | | | Balance as of September 30, 2025 | | 2,452.6 | | $ | 2.4 | | (5.3) | | $ | (220.9) | | $ | 4,091.5 | | $ | 9,155.0 | | $ | (507.7) | | $ | 76.4 | | $ | 12,596.7 | | $ | 10.2 |
Stock Repurchase Programs On April 23, 2024, the Board authorized a stock repurchase program under which the Company may purchase up to $2,000.0 of its Common Stock during the three-year period ending on the close of business on April 28, 2027 (the “2024 Stock Repurchase Program”). The 2024 Stock Repurchase Program became effective on April 29, 2024. During the three and nine months ended September 30, 2026, the Company repurchased 3.0 million and 8.5 million shares of its Common Stock for $244.7 and $630.6, respectively, under the 2024 Stock Repurchase Program. Of the total repurchases made during the nine months ended September 30, 2026 under the 2024 Stock Repurchase Program, 6.0 million shares, or $452.5, have been retired by the Company, with the remainder of the repurchased shares retained in Treasury stock at the time of repurchase. From October 1, 2026 to October 27, 2026, the Company repurchased 0.9 million additional shares of its Common Stock for $74.6, and, as of October 28, 2026, the Company has remaining authorization to purchase up to $165.9 of its Common Stock under the 2024 Stock Repurchase Program. The Company expects to complete all remaining repurchases under the 2024 Stock Repurchase Program by December 31, 2026. On October 27, 2026, the Board authorized a new stock repurchase program under which the Company may purchase up to $4,000.0 of the Company’s Common Stock during the three-year period beginning on January 1, 2027 and ending on the close of business on December 31, 2029 (the “2027 Stock Repurchase Program”). Repurchases under the 2027 Stock Repurchase Program can be made from time to time using a variety of methods, which may include open market purchases, privately negotiated transactions or otherwise, all in accordance with applicable legal requirements. The timing and amount of any future repurchases under the 2027 Stock Repurchase Program will depend on a number of factors, such as the levels of cash generation from operations, the volume of stock options exercised by employees, cash requirements for acquisitions, dividends paid, economic and market conditions and the price of the Common Stock. The 2027 Stock Repurchase Program does not obligate the Company to acquire any particular amount of the Common Stock, and the 2027 Stock Repurchase Program may be suspended or discontinued at any time at the Company’s discretion. Dividends Contingent upon declaration by the Board, the Company pays a quarterly dividend on shares of its Common Stock. On October 21, 2025, the Board approved an increase to the Company’s quarterly dividend rate from $0.0825 per share to $0.125 per share, effective with dividends declared in the fourth quarter of 2025, and on October 27, 2026, the Board approved an increase to the Company’s quarterly dividend rate from $0.125 per share to $0.15 per share, effective with dividends declared in the fourth quarter of 2026, contingent upon declaration by the Board. The following table summarizes the dividends declared and paid during the three and nine months ended September 30, 2026 and 2025: | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | | | September 30, | | September 30, | | | | 2026 | | 2025 | | 2026 | | 2025 | | Dividends declared | | $ | 308.5 | | $ | 201.9 | | $ | 923.9 | | $ | 602.7 | | Dividends paid (including those declared in the prior year) | | | 308.0 | | | 201.2 | | | 922.0 | | | 600.3 | |
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