Ameren AEE officer files Form 3, discloses direct and indirect stakes

Rhea-AI Filing Summary

Ameren Corp (AEE) reported an initial Form 3 for a company officer. The reporting person, an SVP of a subsidiary, disclosed 17,481 shares of common stock held directly, which includes 3,358 restricted stock units granted under the 2022 Omnibus Incentive Compensation Plan. Indirect holdings include 3,018 share equivalents by a 401(k) plan as of October 31, 2025, and 390 shares held by a spouse. No derivative securities were reported.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Smith Patrick E

Role SVP of Subsidiary

Type	Security	Shares	Price	Value
holding	Common Stock, $.01 Par Value	--	--	--
holding	Common Stock, $.01 Par Value	--	--	--
holding	Common Stock, $.01 Par Value	--	--	--

Holdings After Transaction: Common Stock, $.01 Par Value — 3,018 shares (Indirect, By 401(k)); Common Stock, $.01 Par Value — 17,481 shares (Direct)

Footnotes (1)

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. Amount includes 3,358 restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Smith Patrick E

(Last) (First) (Middle)

1901 CHOUTEAU AVENUE

(Street)

SAINT LOUIS MO 63103

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/25/2025

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $.01 Par Value	3,018(1)	I	By 401(k)
Common Stock, $.01 Par Value	390	I	By spouse
Common Stock, $.01 Par Value	17,481(2)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	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.

2. Amount includes 3,358 restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan.

Remarks:

	Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Patrick E. Smith	11/04/2025
	** 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 5 (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 did Ameren (AEE) disclose in this Form 3?

An officer filed an initial statement of beneficial ownership, listing direct and indirect holdings of Ameren common stock.

How many Ameren (AEE) shares are held directly?

The reporting person holds 17,481 shares directly, including 3,358 RSUs granted under the 2022 Omnibus Incentive Compensation Plan.

What indirect Ameren (AEE) holdings were reported?

3,018 share equivalents by a 401(k) plan as of Oct 31, 2025, and 390 shares held by a spouse.

Were any derivative securities reported for Ameren (AEE)?

No. Table II shows no derivative securities reported.

What is the officer’s role at Ameren (AEE)?

The reporting person is an Officer, serving as SVP of a Subsidiary.

What is the event date on the Form 3 for AEE?

The date of the event requiring the statement is 10/25/2025.