Leo S. Mackay Jr. - 05 Jan 2026 Form 4 Insider Report for AMEREN CORP (AEE)

Role: Director
Signature: Jonathan T. Shade, Deputy Corp. Secy. of Ameren Corporation, attorney-in-fact for Leo S. Mackay, Jr.
Issuer symbol: AEE
Transactions as of: 05 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 07 Jan 2026, 19:41:22 UTC
Previous filing: 01 Dec 2025
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mackay Leo S. Jr.	Director	1901 CHOUTEAU AVENUE, MC 1310, P.O. BOX 66149, ST. LOUIS	Jonathan T. Shade, Deputy Corp. Secy. of Ameren Corporation, attorney-in-fact for Leo S. Mackay, Jr.	07 Jan 2026	0001558398

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AEE	Common Stock, $.01 Par Value	Award	$0	+1,686	+17%	$0.000000	11,834	05 Jan 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Director compensation.
F2	Amount includes a total of 283 shares acquired during the first through fourth quarters of 2025 through reinvested dividends.