| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mizell Gwendolyn G | SVP & CSO of Subsidiary | 1901 CHOUTEAU AVE, ST LOUIS | Jonathan T. Shade, Deputy Corp. Secy. of Ameren Corporation, attorney-in-fact for Gwendolyn G. Mizell | 19 Feb 2026 | 0001849779 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AEE | Common Stock, $.01 Par Value | Sale | $393,473 | -3,548 | -33% | $110.90 | 7,267 | 17 Feb 2026 | Direct | |
| holding | AEE | Common Stock, $.01 Par Value | 2,423 | 17 Feb 2026 | By 401(K) | F1 |
| Id | Content |
|---|---|
| F1 | Represents the estimated number of share equivalents held by the reporting person in the unitized stock fund included in the Ameren Corporation Savings Investment Plan as of January 31, 2026. |