Welcome to our dedicated page for Ameren SEC filings (Ticker: AEE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Ameren Corporation (NYSE: AEE) SEC filings page provides direct access to the company’s regulatory disclosures as a St. Louis-based electric and natural gas utility holding company. Ameren files a range of documents with the U.S. Securities and Exchange Commission that explain how it serves approximately 2.5 million electric and more than 900,000 natural gas customers in Missouri and Illinois through Ameren Missouri, Ameren Illinois and Ameren Transmission Company of Illinois.
Investors can review Form 8-K current reports that detail material events such as amendments to multi-year, senior unsecured revolving credit agreements, issuance of long-term debt by Ameren Illinois, changes in executive leadership, board appointments and regulatory decisions affecting Ameren Missouri’s large load customer rate plan. Earnings-related 8-K filings incorporate press releases and unaudited consolidated financial statements, including statements of income, balance sheets and cash flow statements for recent periods.
Ameren’s filings also describe its equity distribution program, under which the company may sell common stock through designated sales agents and forward purchasers, as well as legal opinions related to securities offerings. Credit agreement filings outline facility sizes, maturity dates, borrowing limits, letter of credit subfacilities, interest rate options and financial covenants such as consolidated debt ratio limits for Ameren and its utility subsidiaries.
On this page, AI-powered tools can summarize lengthy filings, highlight key terms and translate technical language into more accessible explanations. Users can quickly identify how regulatory orders, financing transactions, earnings results and governance changes are reflected in Ameren’s official record. For those tracking Ameren’s capital structure, liquidity, rate-regulated business model or risk disclosures, the SEC filings page offers real-time updates from EDGAR, organized so that quarterly and annual reports, current reports and exhibits are easier to interpret.
Ameren Corporation officer Patrick E. Smith, Chairman & President of a subsidiary, reported stock awards dated February 5, 2026. He acquired 3,663 restricted stock units under Ameren’s 2022 Omnibus Incentive Compensation Plan, scheduled to vest on a payment date in 2029, no later than March 15, 2029. He also acquired 2,178 common shares upon vesting of previously granted performance share units, with the amount including 24 dividend-equivalent shares from the fourth quarter of 2025. Following these acquisitions, Smith held 20,822 Ameren common shares directly, plus indirect beneficial holdings of 3,045 share equivalents in a 401(k) plan and 1,090 shares held by his spouse.
Ameren Corporation insider activity centers on equity awards and vesting. Gwendolyn G. Mizell, SVP and Chief Sustainability Officer of a subsidiary, received 865 shares of common stock on February 5, 2026 as restricted stock units granted at $0 under Ameren’s 2022 Omnibus Incentive Compensation Plan, scheduled to vest by March 15, 2029. On the same date, 2,276 shares were acquired upon vesting of previously granted performance share units. Following these transactions, she directly held 10,815 common shares and indirectly held an estimated 2,423 share equivalents through the Ameren Corporation Savings Investment Plan as of January 31, 2026.
Ameren Corporation Group President, Utilities Michael L. Moehn reported equity-related transactions in Ameren common stock. On February 5, 2026, he acquired 9,955 restricted stock units at $0 per share under Ameren's 2022 Omnibus Incentive Compensation Plan, which are scheduled to vest on a payment date in 2029, no later than March 15, 2029.
On the same date, Moehn also acquired 22,849 Ameren common shares at $0 per share upon vesting of previously granted performance share units. Following these transactions, he beneficially owned 225,880 Ameren common shares directly and held an additional 5,230 share equivalents indirectly through the Ameren Corporation Savings Investment Plan as of January 31, 2026.
Ameren Corporation SVP Finance Ryan J. Martin reported equity awards and holdings in company stock. On February 5, 2026, he acquired 1,294 shares of Ameren common stock at $0 per share in the form of restricted stock units granted under the 2022 Omnibus Incentive Compensation Plan, which are scheduled to vest by March 15, 2029. He also acquired 1,752 shares of common stock upon vesting of previously granted performance share units, bringing his directly held Ameren common stock to 28,505 shares, including 42 dividend-equivalent shares accrued in the fourth quarter of 2025. Separately, he indirectly holds an estimated 1,788 share equivalents through the Ameren Corporation Savings Investment Plan as of January 31, 2026.
Ameren Corporation senior vice president Ajay K. Arora reported stock-based compensation activity. On February 5, 2026, he acquired 1,467 restricted stock units granted under Ameren’s 2022 Omnibus Incentive Compensation Plan, which are scheduled to vest on a payment date in 2029, no later than March 15, 2029.
He also acquired 2,498 shares of common stock upon vesting of previously granted performance share units, bringing his directly held common stock to 16,534 shares, which includes shares and dividend equivalents added during the fourth quarter of 2025. In addition, he indirectly holds 1,716 share equivalents through a 401(k) plan and 24,037 shares through a family trust.
Ameren Corporation executive Mark C. Lindgren reported new equity awards and share vesting. On February 5, 2026, he acquired 2,082 restricted stock units at $0 under Ameren’s 2022 Omnibus Incentive Compensation Plan, scheduled to vest by a payment date no later than March 15, 2029.
On the same date, he also acquired 4,349 common shares at $0 upon vesting of previously granted performance share units, including 94 dividend-equivalent shares. After these transactions, he directly held 49,099 Ameren common shares and indirectly held 1,731 share equivalents through the Ameren Corporation Savings Investment Plan as of January 31, 2026.
Ameren Corporation Chairman, President and CEO Martin J. Lyons Jr. reported equity compensation activity involving the company’s common stock. On February 5, 2026, he received 23,170 restricted stock units at $0 per share value, bringing one reported direct holding line to 290,853 shares. He also acquired 44,840 shares at $0 per share upon vesting of previously granted performance share units, increasing another reported direct holding line to 337,652 shares, which includes 1,959 dividend equivalents. In addition, he indirectly holds an estimated 2,109 share equivalents in Ameren’s Savings Investment Plan through a 401(k) unitized stock fund as of January 31, 2026.
Ameren Corporation senior vice president of a subsidiary, Eric V. Seidler, reported share awards and holdings changes dated February 5, 2026. He received 1,066 restricted stock units under Ameren’s 2022 Omnibus Incentive Compensation Plan, scheduled to vest with a payment date no later than March 15, 2029.
He also acquired 2,364 common shares upon vesting of previously granted performance share units, both at a reported price of $0 per share. Following these transactions, he directly owned 15,023 Ameren shares, and indirectly held an estimated 1,789 share equivalents in the Ameren Corporation Savings Investment Plan as of January 31, 2026.
Ameren Corporation senior vice president and chief accounting and tax officer Theresa A. Shaw reported new equity awards and updated holdings. On 02/05/2026 she received 1,333 restricted stock units under Ameren's 2022 Omnibus Incentive Compensation Plan, scheduled to vest on a payment date in 2029, no later than March 15, 2029.
She also acquired 3,126 shares of common stock upon vesting of previously granted performance share units, with both awards priced at $0 per share. After these transactions, she directly owned 36,018 Ameren common shares, and indirectly held an estimated 895 share equivalents in the Ameren Corporation Savings Investment Plan as of January 31, 2026.
Ameren Corporation executive David Matthew Feinberg reported a stock acquisition. On February 5, 2026, the EVP, General Counsel and Secretary acquired 4,449 shares of Ameren common stock at a price of $0 per share, likely reflecting an equity or incentive award rather than an open-market purchase.
Following this transaction, Feinberg beneficially owned 8,260 shares of Ameren common stock directly, with the amount including 27 dividend equivalents credited during the fourth quarter of 2025 under the company’s 2022 Omnibus Incentive Compensation Plan. He also held an estimated 9 share equivalents indirectly through the Ameren Corporation Savings Investment Plan as of January 31, 2026.