Ameren (NYSE: AEE) director awarded 1,686 shares, now holds 13,494

Rhea-AI Filing Summary

Ameren Corporation director Cynthia J. Brinkley reported receiving 1,686 shares of Ameren common stock on January 5, 2026 as director compensation. The shares were awarded at a price of $0 per share, reflecting a stock-based compensation grant rather than an open-market purchase. Following this award, she beneficially owns 13,494 Ameren shares in total. That total includes 220 shares acquired during the first through fourth quarters of 2025 through reinvested dividends.

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

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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^*

BRINKLEY CYNTHIA J

(Last) (First) (Middle)

1901 CHOUTEAU AVENUE, MC 1310

PO 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	13,494(2)	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.

2. Amount includes a total of 220 shares acquired during the first through fourth quarters of 2025 through reinvested dividends.

Remarks:

	Jonathan T. Shade, Deputy Corp. Secy. of Ameren Corporation, attorney-in-fact for Cynthia J. Brinkley	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.
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FAQ

What insider transaction did Ameren (AEE) report for Cynthia J. Brinkley?

Ameren director Cynthia J. Brinkley reported acquiring 1,686 shares of Ameren common stock on January 5, 2026 as director compensation at a stated price of $0 per share.

How many Ameren (AEE) shares does Cynthia J. Brinkley now own after this Form 4?

After the reported transaction, Cynthia J. Brinkley beneficially owns 13,494 shares of Ameren common stock in direct ownership.

Was the Ameren (AEE) insider transaction a market purchase or compensation grant?

The Form 4 shows an award of 1,686 shares designated as director compensation with a transaction price of $0 per share, indicating a stock-based compensation grant rather than a market trade.

What do the dividend reinvestment footnotes disclose for Ameren (AEE)?

The filing notes that the 13,494-share total includes 220 shares acquired during the first through fourth quarters of 2025 through reinvested dividends.

Does the Ameren (AEE) Form 4 involve direct or indirect ownership?

The Form 4 reports the 13,494 Ameren shares, including the new 1,686-share award, as held in direct ownership by Cynthia J. Brinkley.