0001592900 ck0001592900:S000091819Member 2025-09-30 2025-09-30 0001592900 2025-09-30 2025-09-30 497 EA Series Trust 0001592900 false N-1A <div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">EA Astoria Dynamic Core US Fixed Income ETF (AGGA) </span></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">(the “Fund”) </span></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">June 25, 2026 </span></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Supplement to the Summary Prospectus dated September 30, 2025</span></div><div style="margin-bottom:6pt;text-align:justify"><span><br/></span></div><div style="margin-bottom:6pt;text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">THIS SUPPLEMENT CONTAINS IMPORTANT INFORMATION ABOUT CHANGES TO THE FUND’S NAME EFFECTIVE JULY 8, 2026, AS DESCRIBED BELOW.</span></div></td></tr></table></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Effective July 8, 2026, the Fund’s name will change to “</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">EA Astoria Beacon Dynamic Core US Fixed Income ETF</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">”. Accordingly, effective July 8, 2026, all references in the Summary Prospectus to “EA Astoria Dynamic Core US Fixed Income ETF” are replaced with “EA Astoria Beacon Dynamic Core US Fixed Income ETF”. </span></div><div style="margin-bottom:6pt;text-align:justify"><span><br/></span></div><div style="margin-bottom:6pt;text-align:justify"><span><br/></span></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Please retain this Supplement for future reference.</span></div> 2026-06-25 2025-09-30 EA Astoria Beacon Dynamic Core US Fixed Income ETF