Ameren Corp (AEE) director Jamie Engstrom files Form 3 with zero shares

Rhea-AI Filing Summary

Ameren Corp director Jamie L. Engstrom has filed an initial insider ownership report as of January 1, 2026. The filing lists Engstrom as a director of Ameren Corp and reports that no Ameren Corp securities are beneficially owned, with 0 non-derivative shares and no derivative securities reported. The ownership is shown as direct, with no indirect holdings disclosed. The form is filed by one reporting person, and it is signed on Engstrom’s behalf by an attorney-in-fact from Ameren Corporation.

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

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1. Name and Address of Reporting Person^*

Engstrom Jamie L

(Last) (First) (Middle)

1901 CHOUTEAU AVENUE

(Street)

ST LOUIS MO 63103

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2026

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

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

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

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)
No securities are beneficially owned.	0	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:

Remarks:

	Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Jamie L. Engstrom	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 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 is Jamie L. Engstroms role at Ameren Corp (AEE)?

Jamie L. Engstrom is listed as a director of Ameren Corp (AEE) on the insider ownership report.

How many Ameren Corp (AEE) shares does Jamie L. Engstrom currently own?

The filing reports that no securities are beneficially owned, with 0 shares shown in the non-derivative securities table.

Does Jamie L. Engstrom hold any derivative securities of Ameren Corp?

The derivative securities table does not list any entries, indicating no derivative securities are reported as beneficially owned.

What is the effective date of Jamie L. Engstroms insider ownership information at Ameren Corp (AEE)?

The date of the event requiring the statement is January 1, 2026, which anchors the ownership information reported.

Is the Ameren Corp (AEE) Form 3 filed for one or multiple reporting persons?

The report indicates that the Form is filed by one reporting person, covering Jamie L. Engstrom only.

Who signed the Ameren Corp (AEE) insider ownership report for Jamie L. Engstrom?

The report is signed by Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, acting as attorney-in-fact for Jamie L. Engstrom.