SEC Form 4 · accession 0002093849-26-000008
AMEREN CORP · AEE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ryan J Martin
Officer — SVP Finance
Period of report
Aug 18, 2026
Accepted (ET)
Aug 20, 2026 · 4:48 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001002910
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, $.01 Par Value | Aug 18, 2026 | S | 471 | $109.87 | D | 26,008 | D | |
| Common Stock, $.01 Par ValueF2 | Aug 20, 2026 | S | 500 | $109.88 | D | 25,595 | D | |
| Common Stock, $.01 Par ValueF1 | holding | — | — | — | 1,837 | I | By 401(k) |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents 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 July 31, 2026.
- F2Amount includes 87 accrued dividend equivalents acquired during the first and second quarters of 2026 pursuant to a dividend reinvestment feature of restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan.