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Ameren Corp executive Mark C. Lindgren reported multiple stock transactions involving Ameren common stock. On March 3, 2026, he completed an open-market sale of 2,073 shares at $111.84 per share, conducted under a Rule 10b5-1 trading plan. Following this sale, his direct holdings stood at 44,983 shares.
On February 27, 2026, 2,054 shares were withheld by Ameren to satisfy tax obligations tied to vesting of performance share units and restricted stock units, a tax-withholding disposition rather than an open-market trade. As of February 28, 2026, he also held an estimated 1,733 share equivalents indirectly through the Ameren Corporation Savings Investment Plan 401(k) unitized stock fund.
Ameren Corp executive Leonard P. Singh reported a tax-related share disposition. On February 27, he had 5,478 shares of Ameren common stock withheld by the issuer at $113.28 per share to cover tax obligations from vesting performance share units and restricted stock units. After this tax-withholding disposition, he directly held 32,776 shares of Ameren common stock and indirectly held an estimated 94 share equivalents through the Ameren Corporation Savings Investment Plan as of February 28, 2026.
Ameren Corp executive Patrick E. Smith reported a tax-related share disposition. On February 27, 2026, 910 shares of Ameren common stock at $113.28 per share were withheld by the issuer to cover tax obligations from vesting performance share and restricted stock units.
After this tax-withholding disposition, Smith directly owned 19,910 shares of Ameren common stock. He also indirectly held an estimated 3,047 share equivalents through the Ameren Savings Investment Plan and 948 shares through his spouse as of late February 2026.
Ameren Corp director Timothy S. Rausch has filed an initial insider ownership report showing no beneficial ownership of company securities. The Form 3 indicates that he is a director of Ameren Corp and reports holding 0 shares directly following the reported date.
This filing is a baseline disclosure required when an individual becomes a reporting insider. It does not show any share purchases or sales and simply records that, as of the reported date, he has no beneficially owned Ameren Corp securities.
$400,000,000 5.00% Senior Notes due 2036 are being issued by Ameren Corporation. The notes pay interest at 5.00% semi‑annually on May 15 and November 15, with first interest payable on November 15, 2026.
Proceeds (approximately $395.7 million) will be used for general corporate purposes, including repayment of a portion of short‑term debt and commercial paper. The notes are unsecured, rank equally with Ameren’s other senior debt and may be redeemed under specified formulas or at 101% following a defined Tax Credit Event.
Ameren Corporation is offering a new series of senior notes due 2036 under a preliminary prospectus supplement dated February 26, 2026. The notes will pay interest semi-annually and be issued in book-entry form through DTC.
The notes are unsecured direct obligations ranking equally with Ameren’s other senior debt and may be redeemed at Ameren’s option, including a full redemption at 101% of principal if a Tax Credit Event (as defined) occurs. Proceeds are intended for general corporate purposes, including repayment of short-term debt and refinancing amounts due in 2026. Ameren reported total consolidated capitalization of $33,512 million as of December 31, 2025, and commercial paper outstanding of $992.1 million as of February 25, 2026.
Ameren Corp director Rafael Flores reported an open-market sale of common stock. On February 17, 2026, he sold 1,600 shares of Ameren common stock at an average price of $111.52 per share. After this transaction, he directly owned 13,953 shares of Ameren common stock.
Ameren Corp senior vice president of a subsidiary, Ajay K. Arora, reported an indirect open‑market sale of 3,000 shares of Ameren common stock at $111.44 per share through a family trust. After this sale, the trust held 21,037 shares, separate from his direct holdings and 401(k) plan units.
Ameren Corp senior vice president and chief accounting and treasury officer Theresa A. Shaw reported an open-market sale of company stock. On February 17, 2026, she sold 325 shares of Ameren common stock at an average price of $111.89 per share. After this sale, she directly held 35,693 Ameren shares. She also had an indirect interest in 895 share equivalents through the Ameren Corporation Savings Investment Plan as of January 31, 2026, reflecting holdings in a unitized stock fund within the 401(k) plan.