# EDGAR Filing Document

**Accession Number:** 0001002910
**File Stem:** 0001104659-25-098988
**Filing Date:** 2025-10
**Character Count:** 12431
**Document Hash:** c72ae67519b3201c5f2f00aeb530b4c6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-098988.hdr.sgml**: 20251014

**ACCESSION NUMBER**: 0001104659-25-098988

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 15

**CONFORMED PERIOD OF REPORT**: 20251014

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20251014

**DATE AS OF CHANGE**: 20251014

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMEREN CORP
- **CENTRAL INDEX KEY:** 0001002910
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 431723446
- **STATE OF INCORPORATION:** MO
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14756
- **FILM NUMBER:** 251389543

**BUSINESS ADDRESS:**
- **STREET 1:** 1901 CHOUTEAU AVE
- **STREET 2:** MC 1310
- **CITY:** ST LOUIS
- **STATE:** MO
- **ZIP:** 63166-6149
- **BUSINESS PHONE:** 314-621-3222

**MAIL ADDRESS:**
- **STREET 1:** 1901 CHOUTEAU AVE
- **STREET 2:** MC 1310
- **CITY:** ST LOUIS
- **STATE:** MO
- **ZIP:** 63103

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the**

**Securities Exchange Act of 1934**

**Date of report (Date of earliest event reported): October 14, 2025**

**AMEREN CORPORATION**

**(Exact Name of Registrant as Specified in Charter)**

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Missouri** | &nbsp;&nbsp;**1-14756** | &nbsp;&nbsp;**43-1723446** |
| &nbsp;&nbsp;**(State or other jurisdiction of <br> incorporation)** | &nbsp;&nbsp;**(Commission File Number)** | &nbsp;&nbsp; **(IRS Employer Identification<br> Number)** |

---

**1901 Chouteau Avenue, St. Louis, Missouri 63103**

**(Address of principal executive offices and Zip Code)**

**Registrant's telephone number, including area code: (314) 621-3222**

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | |
|:---|:---|
| &nbsp;&nbsp;**<u>Title of each class</u>** | &nbsp;&nbsp;**<u>Name of each exchange on which registered</u>** |
| &nbsp;&nbsp; **Common Stock, $0.01 par value per share**<br> &nbsp;&nbsp; **AEE** | &nbsp;&nbsp; **New York Stock Exchange** |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

**ITEM 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

On October 14, 2025, Ameren Corporation (the "Company") announced that Michael L. Moehn, Senior Executive Vice President and Chief Financial Officer of the Company, has been elected to the position of Group President, Ameren Utilities, of the Company, effective January 1, 2026. Also effective January 1, 2026, Leonard P. Singh, Chairman and President of Ameren Illinois Company ("Ameren Illinois"), has been elected Executive Vice President and Chief Financial Officer of the Company.

Mr. Moehn, 56, has served as the Company's Senior Executive Vice President and Chief Financial Officer since 2019. As previously announced, Mr. Moehn is also currently serving as the Interim Chairman and President of Ameren Missouri. He previously served as Chairman and President of Ameren Missouri from 2014 to 2019.

Mr. Singh, 56, has served as the Chairman and President of Ameren Illinois since August 2022. Previously, he served in various senior leadership roles at Consolidated Edison Company of New York, including Senior Vice President of Customer Energy Solutions from December 2020 to June 2022 and Vice President of Manhattan Electric Operations from June 2015 to November 2020.

Effective as of January 1, 2026, Mr. Moehn's base salary will be increased from $895,000 to $960,000. Also effective as of January 1, 2026, his target cash award under the Company's short-term incentive plan ("STIP") will be increased from 90% to 100% of his base salary, and his target award under the Company's long-term incentive program ("LTIP") will be increased from 315% to 350% of his base salary. Mr. Moehn will continue to participate in the Ameren Corporation Severance Plan for Ameren Officers and the Second Amended and Restated Change of Control Severance Plan.

Effective as of January 1, 2026, Mr. Singh's base salary will be increased from $650,000 to $715,000. Also effective as of January 1, 2026, his target cash award under the Company's STIP will be increased from 80% to 90% of his base salary, and his target award under the Company's LTIP will be increased from 215% to 260% of his base salary. Mr. Singh will continue to participate in the Ameren Corporation Severance Plan for Ameren Officers and the Second Amended and Restated Change of Control Severance Plan.

Neither Mr. Moehn's nor Mr. Singh's election was pursuant to any agreement or understanding between him and any other person. There is no family relationship between Mr. Moehn or Mr. Singh and any director or executive officer of the Company, and there are no transactions between Mr. Moehn or Mr. Singh and the Company that are required to be reported under Item 404(a) of Regulation S-K.

A copy of the press release issued by the Company on October 14, 2025, announcing Mr. Moehn's and Mr. Singh's elections is furnished as Exhibit 99.1. Exhibit 99.1 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities under that section and shall not be deemed to be incorporated by reference into any filing of Ameren under the Securities Act of 1933, as amended, or the Exchange Act.

**Item 9.01. Financial Statements and Exhibits**

(d) Exhibits.

<u>Exhibit No.</u> <u>Description</u> <br> [99.1](tm2528627d1_ex99-1.htm) [Press release issued by the Company on October 14, 2025.](tm2528627d1_ex99-1.htm) <br> 104 Cover Page Interactive Data File (formatted as Inline XBRL).

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | |
|:---|:---|
| AMEREN CORPORATION | AMEREN CORPORATION |
| (Registrant) | (Registrant) |
| By: | /s/ Stephen C. Lee |
| Name: | Stephen C. Lee |
| Title: | Vice President, Interim General Counsel and Secretary |

---

Date: October 14, 2025

## Exhibit 99.1

**Exhibit 99.1**

![](tm2528627d1_ex99-1img001.jpg)

---

| | | |
|:---|:---|:---|
| **Contacts:** | **Media**<br> Ameren Communications<br> 314.554.2182<br> communications@ameren.com | **Financial Analysts and Institutional Investors**<br> Andrew Kirk <br> 314.554.3942 <br> akirk@ameren.com  |

---

**FOR IMMEDIATE RELEASE**

**Ameren Corporation announces leadership changes**

*Moehn, Singh, Smith promoted to new roles*

ST. LOUIS (Oct. 14, 2025) – Ameren Corporation (NYSE: AEE) today announced organizational changes designed to drive consistent and continuously improving operating performance and enhance the breadth and depth of experience of its executive team, strengthening the company for the future. The changes are effective Jan. 1, 2026.

Michael Moehn, currently senior executive vice president and chief financial officer of Ameren Corporation and chairman and president of Ameren Services, as well as interim chairman and president of Ameren Missouri, will assume the newly created role of group president, Ameren Utilities. In this role, Moehn will oversee each of Ameren's operating utilities, with the presidents of Ameren Missouri, Ameren Illinois, and Ameren Transmission Company of Illinois reporting to him.

Lenny Singh, currently chairman and president of Ameren Illinois, will assume the role of executive vice president and chief financial officer of Ameren Corporation and chairman and president of Ameren Services. Moehn and Singh will continue reporting to Martin J. Lyons Jr., chairman, president and chief executive officer of Ameren Corporation. Patrick Smith Sr., currently senior vice president of operations and technical services, will assume the role of chairman and president of Ameren Illinois and report to Moehn.

"This strategic rotation of responsibilities reflects Ameren's strong commitment to continuous improvement at all levels of our organization," Lyons said. "It is part of a deliberate process designed to consistently deliver exceptional value to our customers, the communities we serve and our shareholders, as the energy industry continues to evolve."

Shawn Schukar will continue to serve as chairman and president of Ameren Transmission Company of Illinois, which has driven significant value for customers and the company under his leadership.

Moehn joined Ameren in 2000 and has held numerous senior leadership roles across the company, with responsibility for areas including nuclear and customer operations, regulatory and legislative affairs, strategy, finance, accounting, risk management and digital. Prior to his current role, he served as chairman and president of Ameren Missouri. Moehn's full bio is available <u>here</u>.

![](tm2528627d1_ex99-1img002.jpg)

![](tm2528627d1_ex99-1img001.jpg)

"We're positioning Ameren for even greater effectiveness and efficiency," Lyons said. "This enhanced structure enables us to streamline decision-making, optimize resource allocation, and deliver more consistent, high-quality service to our customers. It also reinforces our commitment to operational excellence, financial discipline and strategic growth across all areas of the business."

Singh spent more than 30 years at Consolidated Edison Company of New York, where he served in a variety of roles across electric, natural gas and steam operations and shared services, before joining Ameren in 2022 as chairman and president of Ameren Illinois. His full bio is available <u>here</u>.

Since joining Ameren as a meter reader in 1985, Smith has served in a variety of leadership roles. In his current role, he is responsible for the oversight and support of all electric and natural gas field operations, including maintenance, engineering design, safety and training, reliability planning, dispatch operations, emergency response, and construction services for Ameren Illinois. His full bio is available <u>here</u>.

**About Ameren Corporation**

St. Louis-based Ameren Corporation powers the quality of life for 2.5 million electric customers and more than 900,000 natural gas customers in a 64,000-square-mile area through its Ameren Missouri and Ameren Illinois rate-regulated utility subsidiaries. Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Ameren Missouri provides electric generation, transmission and distribution services, as well as natural gas distribution service. Ameren Transmission Company of Illinois develops, owns and operates rate-regulated regional electric transmission projects in the Midcontinent Independent System Operator, Inc. For more information, visit <u>Ameren.com</u>, or follow us at <u>@AmerenCorp</u>, <u>Facebook.com/AmerenCorp</u>, or <u>LinkedIn.com/company/Ameren</u>.

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![](tm2528627d1_ex99-1img002.jpg)