AMEREN CORP — Director's Dealing 2025

Sep 15, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMEREN CORP (AEE)
CIK: 0001002910
Period of Report: 2025-09-12

Reporting Person: Lindgren Mark C (EVP & Chief HR Officer of Sub)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-12	Common Stock, $.01 Par Value	S	3500	$100.89	Disposed	42574	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, $.01 Par Value	1701	Indirect

Footnotes

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 August 31, 2025.

F2: Amount includes 48 accrued dividend equivalents acquired during the third quarter of 2025 pursuant to a dividend reinvestment feature of restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan.