[Form 4] AMEREN CORP Insider Trading Activity

Rhea-AI Filing Summary

Ameren Corp (AEE)11/14/2025, she reported a sale of 325 shares of Ameren common stock at $104.77 per share. After this sale, she directly owned 32,942 shares of Ameren common stock.

On the same date, she also reported a separate transaction coded as a gift, transferring 1,432 shares at a price of $0, leaving her with 31,510 shares of directly owned Ameren common stock following the gift. In addition, she has an estimated 884 share equivalents held indirectly through a unitized stock fund in the Ameren Corporation Savings Investment Plan as of October 31, 2025, reflecting retirement-plan related holdings.

11/18/2025 - 04:17 PM

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).

X

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^*

Shaw Theresa A

(Last) (First) (Middle)

1901 CHOUTEAU AVENUE

P.O. BOX 66149

(Street)

ST. 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, Finance and CAO

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

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								884(1)	I	By 401(k)
Common Stock, $.01 Par Value	11/14/2025		S		325	D	$104.77	32,942	D
Common Stock, $.01 Par Value	11/14/2025		G		1,432	D	$0	31,510	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 October 31, 2025.

Remarks:

	Jonathan T. Shade, Deputy Corp. Secy. of Ameren Corporation, attorney-in-fact for Theresa A. Shaw	11/18/2025
	** 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.

FAQ

What insider transactions did Ameren Corp (AEE) report for 11/14/2025?

Ameren Corp reported that Theresa A. Shaw, its SVP, Finance and CAO, executed two transactions on 11/14/2025: a sale of 325 shares of common stock at $104.77 per share and a gift of 1,432 shares at a price of $0.

How many Ameren Corp (AEE) shares does Theresa A. Shaw own after the reported transactions?

Following the reported sale of 325 shares and gift of 1,432 shares on 11/14/2025, Theresa A. Shaw directly owns 31,510 shares of Ameren common stock.

What price did the Ameren Corp (AEE) insider sale occur at on 11/14/2025?

The reported insider sale by Theresa A. Shaw on 11/14/2025 involved 325 shares of Ameren common stock at a price of $104.77 per share.

Does Theresa A. Shaw have indirect holdings of Ameren Corp (AEE) stock?

Yes. The filing notes an estimated 884 share equivalents held indirectly by Theresa A. Shaw in a unitized stock fund within the Ameren Corporation Savings Investment Plan as of October 31, 2025.

What is Theresa A. Shaw’s role at Ameren Corp (AEE)?

Theresa A. Shaw is identified as an officer of Ameren Corp, serving as SVP, Finance and Chief Accounting Officer (CAO).

Was the Ameren Corp (AEE) insider transaction filed by one reporting person or a group?

The Form 4 indicates that it was filed by one reporting person, reflecting transactions solely for Theresa A. Shaw.