{"url_path":"/sec/aee/10-k/2026/item-5","section_key":"item-5","section_title":"Item 5 MARKET FOR REGISTRANTS’ COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES","topic":"sec","document":{"doc_type":"10-K","doc_date":"2026-02-18","source_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001002910-26-000009-index.html","accession_number":"0001002910-26-000009","cik":"0001002910","ticker":"AEE","issuer_name":"AMEREN CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001002910-26-000009-index.html","primary_entity_key":"0001002910","primary_entity_name":"AMEREN CORP"},"word_count":249,"has_tables":true,"body_markdown":"ITEM 5.MARKET FOR REGISTRANTS’ COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES\n\nAmeren’s common stock is listed on the NYSE (ticker symbol: AEE). Ameren common shareholders of record totaled 31,149 on January 30, 2026. There is no trading market for the common stock of Ameren Missouri and Ameren Illinois. Ameren holds all outstanding common stock of Ameren Missouri and Ameren Illinois.\n\nPurchases of Equity Securities\n\nAmeren Corporation, Ameren Missouri, and Ameren Illinois did not purchase any equity securities reportable under Item 703 of Regulation S-K during the period from October 1, 2025, to December 31, 2025.\n\nPerformance Graph\n\nThe following graph shows Ameren’s cumulative TSR during the five years ended December 31, 2025. The graph also shows the cumulative total returns of the S&P 500 Index, S&P 500 Utility Index, and the Philadelphia Utility Index. The S&P 500 Utility Index and the Philadelphia Utility Index are market capitalization-weighted indices of U.S. public utility companies. The comparison assumes that $100 was invested on December 31, 2020, in Ameren common stock and in each of the indices shown and that all of the dividends were reinvested.\n\nComparison of Five-Year Cumulative Return\n\n37\n\n[Table](#i379db4a35dfd4fdf8d9a48974b14319e_7)[of Contents](#i379db4a35dfd4fdf8d9a48974b14319e_7)\n\nDecember 31,202020212022202320242025\n\nAmeren (AEE)$100.00 $117.09 $120.06 $100.76 $128.48 $148.15 \n\nS&P 500 Index100.00 128.68 105.36 133.03 166.28 195.98 \n\nS&P 500 Utility Index100.00 117.67 119.51 111.05 137.07 159.06 \n\nPhiladelphia Utility Index100.00 118.24 119.01 108.10 130.68 153.04 \n\nAmeren management cautions that the stock price performance shown above should not be considered indicative of future stock price performance."}