Ameren Corp director receives 1,686-share stock compensation grant

Ameren Corp director reports stock compensation grant.

Rhea-AI Filing Summary

Ameren Corp director reports stock compensation grant. Director Catherine S. Brune reported receiving 1,686 shares of Ameren Corp common stock on 01/05/2026, coded as an acquisition. The shares were granted at a price of $0 per share as part of director compensation, increasing her directly held stake to 27,078 shares of Ameren common stock.

Insider Trade Summary

Grant/Award: 1,686 shares

Grant/Award 1 txn

Insider BRUNE CATHERINE S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, $.01 Par Value	1,686	$0.00	$0.00

Holdings After Transaction: Common Stock, $.01 Par Value — 27,078 shares (Direct)

Footnotes (1)

1. F1. Director compensation.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Ameren Corp (AEE) report for Catherine S. Brune?

Ameren Corp director Catherine S. Brune reported an acquisition of 1,686 shares of Ameren common stock on 01/05/2026, reflected as a Form 4 filing.

What was the price per share for the Catherine S. Brune stock grant at Ameren Corp (AEE)?

The 1,686 shares of Ameren common stock reported by Catherine S. Brune were acquired at a stated price of $0 per share, consistent with director compensation.

How many Ameren Corp (AEE) shares does Catherine S. Brune own after this transaction?

Following the reported director compensation grant, Catherine S. Brune beneficially owns 27,078 shares of Ameren Corp common stock, held directly.

What is the relationship of Catherine S. Brune to Ameren Corp (AEE)?

Catherine S. Brune is reported as a Director of Ameren Corp and is not listed as an officer or 10% owner in this filing.

What is the nature of the Ameren Corp (AEE) shares granted to Catherine S. Brune?

The filing identifies the grant of 1,686 shares as director compensation, indicating the shares were awarded in connection with board service rather than purchased on the open market.

Was the Ameren Corp (AEE) insider transaction reported as direct or indirect ownership?

The 27,078 shares of Ameren common stock beneficially owned after the transaction are reported under direct (D) ownership for Catherine S. Brune.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/07/2026 - 07:41 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BRUNE CATHERINE S

(Last) (First) (Middle)

1901 CHOUTEAU AVENUE, MC 1310

P.O. BOX 66149

(Street)

ST. LOUIS MO 63166-6149

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AMEREN CORP [ AEE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $.01 Par Value	01/05/2026		A		1,686(1)	A	$0	27,078	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Director compensation.

Remarks:

	Jonathan T. Shade, Deputy Corp. Secy. of Ameren Corporation, attorney-in-fact for Catherine S. Brune	01/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.