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.
Ameren Corporation filings document a Missouri-incorporated utility holding company with NYSE-listed common stock and rate-regulated utility subsidiaries, including Ameren Missouri, Ameren Illinois and co-registrants such as Union Electric Company and Ameren Illinois Company. The record covers consolidated operating results, unaudited financial statements, earnings guidance, utility infrastructure investment and the electric and natural gas service activities of Ameren Missouri and Ameren Illinois.
SEC disclosures also cover capital structure and financing activity, including senior note offerings under shelf registration statements, as well as proxy matters, shareholder voting, board composition, committee assignments, director compensation and governance policies. Form 8-K filings report material events, financial exhibits and co-registrant disclosures for the company's regulated utility subsidiaries.
Ameren Corporation registers 1,894,702 shares of common stock for sale under its DRPlus Dividend Reinvestment and Stock Purchase Plan. The prospectus states shares sold under the Plan may be newly-issued or treasury shares or purchased in the open market.
The prospectus describes Plan mechanics including a $250 minimum initial investment for non-shareholders, optional cash investments up to $360,000 per calendar year, and dividend reinvestment options (minimum 10). Context figures include 276,751,616 shares outstanding as of May 11, 2026 and a reported last sale price of $109.60 on May 14, 2026.
Ameren Corporation ownership disclosure: T. Rowe Price Investment Management, Inc. reports beneficial ownership of 7,520,678 shares of Common Stock, representing 2.7% of the class. The filing states sole voting power of 7,078,989 shares and sole dispositive power of 7,520,678 shares. The statement is signed on 05/15/2026.
Ameren Corp senior vice president Theresa A. Shaw reported open-market sales of 1,825 shares of common stock. She sold 1,500 shares at $109.35 per share and 325 shares at $109.08 per share under a Rule 10b5-1 trading plan, and now holds 32,618 shares directly plus 922 share equivalents through a 401(k) plan.
Ameren Corporation reported stronger results for the quarter ended March 31, 2026. Total operating revenues rose to $2,176 million from $2,097 million, driven by higher electric and natural gas revenue. Net income attributable to common shareholders increased to $357 million, up from $289 million, and diluted EPS grew to $1.28 from $1.07.
Total assets reached $49.8 billion, supported by ongoing capital investment; property, plant and equipment, net, was $40.5 billion. Capital expenditures of $1,574 million and major Missouri generation and storage projects, including solar, natural gas and battery storage facilities, highlight continued infrastructure build-out under state regulatory frameworks.
Ameren also expanded its financing capacity, with commercial paper outstanding of $1,178 million and consolidated net liquidity of about $2.0 billion. The company is managing multiple Illinois and FERC regulatory proceedings and appeals that affect allowed returns, revenue requirements and recovery of grid and natural gas investments.
Ameren Corporation reported stronger first quarter 2026 results. Net income attributable to common shareholders rose to $357 million, with diluted EPS of $1.28, up from $289 million and $1.07 a year earlier. Total operating revenues increased to $2.176 billion from $2.097 billion.
Growth was driven mainly by earnings on higher infrastructure investments across Ameren Missouri, Ameren Illinois and Ameren Transmission, partly offset by lower Missouri electric retail sales due to warmer winter weather and higher interest expense. Ameren Missouri earnings were $76 million versus $42 million, Ameren Transmission $98 million versus $89 million, Illinois Electric Distribution $66 million versus $63 million, and Illinois Natural Gas $122 million versus $108 million.
Ameren generated $421 million in operating cash flow and invested $1.574 billion in capital expenditures in the quarter, funded in part by higher short-term and long-term debt. The company reaffirmed its 2026 earnings guidance of $5.25 to $5.45 per diluted share, assuming normal temperatures for the remainder of the year.
Ameren Corporation Group President, Utilities Michael L. Moehn reported an open-market sale of 6,500 shares of Ameren common stock at $113.63 per share. The sale was executed on May 1, 2026 pursuant to a Rule 10b5-1 trading plan previously adopted by Moehn.
After this transaction, Moehn directly holds 205,598 shares of Ameren common stock. He also has an indirect interest in an estimated 5,268 share equivalents through the Ameren Corporation Savings Investment Plan as of April 30, 2026, plus 573 accrued dividend equivalents tied to restricted stock units.
AEE reports a Form 144 showing the sale of 6,500 shares by Michael Moehn.
The filing lists the sale as executed on 02/02/2026 for $673,400. It also records restricted stock vesting of 1,065 shares on 09/18/2023 and 5,435 shares on 03/01/2024 as background holdings.
Ameren Corp reported a Schedule 13G filing showing Vanguard Capital Management 20,828,754 shares of Common Stock, representing 7.53% of the class as of 03/31/2026. The filing states Vanguard Capital Management has sole dispositive power over 20,828,754 shares and sole voting power over 2,902,901 shares.
Ameren Corp — Vanguard Portfolio Management filed a Schedule 13G reporting beneficial ownership of 15,870,763 shares of Common Stock, equal to 5.74% of the class. The filing states Vanguard has sole dispositive power over 15,870,763 shares and sole voting power over 33,869 shares. The disclosure explains these holdings include securities held for Vanguard funds and managed accounts and notes that no other single person holds more than 5%. The filing is signed by Ashley Grim on 04/28/2026.