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.
Smith Patrick E reported acquisition or exercise transactions in this Form 4 filing.
Ameren Corp executive Patrick E. Smith reported a stock award and updated holdings. He received a grant of 280 shares of Ameren common stock at no cost, bringing his direct ownership to 20,275 shares. He also reported indirect holdings of 968 shares held by his spouse and 3,113 share equivalents in a 401(k) plan.
Footnotes explain that part of his position consists of restricted stock units granted under Ameren’s 2022 Omnibus Incentive Compensation Plan, scheduled to vest with a payment date in 2029, no later than March 15, 2029. The filing also notes 84 dividend equivalents accrued on these units during the first half of 2026.
AMEREN CORP executive Aaron P. Melda, Chairman & President of a subsidiary, reported an acquisition of 2,520 shares of common stock at a price of $0.00 per share as a grant or award. These restricted stock units were granted under Ameren's 2022 Omnibus Incentive Compensation Plan and are scheduled to vest on a payment date in 2029, which will be no later than March 15, 2029, subject to the plan and award terms. Following this grant and related accrued dividend equivalents, Melda’s directly reported holdings increased to 6,251 shares, while an estimated 4 share equivalents are held indirectly in a unitized stock fund within the Ameren Corporation Savings Investment Plan.
Arora Ajay K reported acquisition or exercise transactions in this Form 4 filing.
Ameren Corp executive Ajay K. Arora reported a stock award and updated share holdings. On July 1, 2026, he received a grant of 716 shares of common stock, recorded at $0.00 per share, classified as a grant or award under Ameren’s 2022 Omnibus Incentive Compensation Plan.
Following this award, Arora directly holds 23,119 common shares, which include 2 shares and 76 dividend equivalents added during the second quarter of 2026 through dividend reinvestment on prior restricted stock unit grants. He also has indirect holdings of 21,037 share equivalents through a family trust and 1,756 share equivalents through a 401(k) unitized stock fund.
Ameren Corp executive Ajay K. Arora reported an equity award rather than an open‑market trade. He received 6,797 shares of common stock at a reported price of $0.00 per share, described in a footnote as performance-based restricted stock units granted under Ameren’s 2022 Omnibus Incentive Compensation Plan. These units represent the minimum number of shares that will be delivered if vesting conditions are met and are scheduled to vest on a payment date occurring after June 1, 2031 and no later than July 15, 2031, subject to the plan and award terms.
Following this grant, Arora directly holds 22,326 Ameren shares. He also has indirect holdings, including 21,037 shares held by a family trust and an estimated 1,745 share equivalents in a unitized stock fund within the Ameren Corporation Savings Investment Plan as of May 29, 2026. The filing notes that his direct holdings include 2 shares acquired through reinvested dividends and 28 accrued dividend equivalents during the first quarter of 2026.
Melda Aaron P reported acquisition or exercise transactions in this Form 4 filing.
AMEREN CORP Chairman and President P. Melda Aaron received an equity grant of 3,705 restricted stock units of common stock. The grant was made at a stated price of $0.00 per share as compensation, not an open-market purchase.
The restricted stock units were granted under Ameren’s 2022 Omnibus Incentive Compensation Plan and will vest in two equal installments on March 1, 2027 and March 1, 2028, subject to the plan and the applicable award agreement. Following this grant, Aaron directly holds 3,705 shares or units reported in this filing.
AMEREN CORP executive Melda P. Aaron, who serves as Chairman and President, has filed an initial Form 3 indicating no current ownership of company securities. The filing lists "No securities are beneficially owned" and shows zero shares reported as of the stated date.
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.