Ameren (AEE) SVP Ajay K. Arora reports new stock and RSU awards

Rhea-AI Filing Summary

Ameren Corporation senior vice president Ajay K. Arora reported stock-based compensation activity. On February 5, 2026, he acquired 1,467 restricted stock units granted under Ameren’s 2022 Omnibus Incentive Compensation Plan, which are scheduled to vest on a payment date in 2029, no later than March 15, 2029.

He also acquired 2,498 shares of common stock upon vesting of previously granted performance share units, bringing his directly held common stock to 16,534 shares, which includes shares and dividend equivalents added during the fourth quarter of 2025. In addition, he indirectly holds 1,716 share equivalents through a 401(k) plan and 24,037 shares through a family trust.

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

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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^*

Arora Ajay K

(Last) (First) (Middle)

1901 CHOUTEAU AVENUE

(Street)

SAINT LOUIS MO 63103

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/05/2026

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								1,716(1)	I	By 401(k)
Common Stock, $.01 Par Value								24,037	I	By family trust
Common Stock, $.01 Par Value	02/05/2026		A		1,467(2)	A	$0	14,008	D
Common Stock, $.01 Par Value	02/05/2026		A		2,498(3)	A	$0	16,534(4)	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. 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 January 31, 2026.

2. These restricted stock units were granted under the issuer's 2022 Omnibus Incentive Compensation Plan (the "Plan") and are scheduled to vest upon the payment date in 2029, which shall be no later than March 15, 2029, subject to the terms of the Plan and the applicable award agreement issued thereunder.

3. Shares acquired upon vesting of previously-granted performance share units.

4. Amount includes 2 shares acquired during the fourth quarter of 2025 through reinvested dividends, as well as 26 accrued dividend equivalents acquired during the fourth quarter of 2025 pursuant to a dividend reinvestment feature of restricted stock units granted under the Plan.

Remarks:

	Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Ajay K. Arora	02/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did Ameren (AEE) SVP Ajay K. Arora report on February 5, 2026?

Ajay K. Arora reported acquiring stock-based compensation on February 5, 2026. He received 1,467 restricted stock units and 2,498 shares of Ameren common stock upon vesting of previously granted performance share units, all at a stated price of $0 per share.

How many Ameren (AEE) shares does Ajay K. Arora hold directly after this Form 4?

After the reported transactions, Ajay K. Arora directly holds 16,534 shares of Ameren common stock. This figure includes shares acquired through dividend reinvestment and accrued dividend equivalents during the fourth quarter of 2025 under Ameren’s omnibus incentive compensation plan.

What restricted stock units did Ajay K. Arora receive under Ameren’s 2022 Omnibus Incentive Compensation Plan?

He received 1,467 restricted stock units under Ameren’s 2022 Omnibus Incentive Compensation Plan. These units are scheduled to vest on a payment date in 2029, which must occur no later than March 15, 2029, subject to plan terms and the applicable award agreement.

What are the details of the performance share units vesting reported by Ameren (AEE) SVP Arora?

The filing shows 2,498 Ameren common shares acquired upon vesting of previously granted performance share units. These shares were reported at a transaction price of $0 per share, reflecting equity compensation rather than an open-market purchase, and increased his direct share ownership.

What indirect Ameren (AEE) share holdings does Ajay K. Arora report?

Ajay K. Arora reports indirect beneficial ownership through two sources. He holds 1,716 share equivalents in a unitized Ameren stock fund within a 401(k) plan and 24,037 shares through a family trust, in addition to his directly owned Ameren common stock.

When will the newly granted Ameren (AEE) restricted stock units to Ajay K. Arora vest?

The 1,467 restricted stock units granted to Ajay K. Arora are scheduled to vest on a payment date in 2029. The filing states this payment date will be no later than March 15, 2029, subject to the plan and award agreement terms.