AMEREN CORP (AEE) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMEREN CORP (AEE) CIK: 0001002910 --- Reporting Owner --- Name: Melda Aaron P CIK: 0002137318 Role: Officer (Chairman and President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock, $.01 Par Value Date: 2026-06-01 | Code: A (Grant or award) Shares: +3,705 | Price: $0.00 Shares Owned After: 3,705 | Ownership: D (Direct) Footnotes: [F1] Represents restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan (the "Plan"), which will vest in equal installments on March 1, 2027, and March 1, 2028, subject to the terms of the Plan and the applicable award agreement issued thereunder. --- Footnotes (Complete Index) --- F1: Represents restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan (the "Plan"), which will vest in equal installments on March 1, 2027, and March 1, 2028, subject to the terms of the Plan and the applicable award agreement issued thereunder. --- Signature --- /s/ Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Aaron P. Melda (2026-06-03)