AMEREN CORP
Close on Oct 19, 2026
- Market cap
- $28.99B
- P/E (TTM)
- 18.3
- Dividend yield
- 2.73%
About Ameren
Electric & Other Services Combined, SIC 4931
Ameren is a public utility holding company that operates rate-regulated electric and natural gas businesses through subsidiaries. Its primary segments comprise Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company generates, transmits, and distributes electricity, and delivers natural gas. It serves retail electric and natural gas consumers, wholesale transmission customers, and large-load commercial clients, including data centers and manufacturing entities.
Ameren conducts its utility operations across Missouri and Illinois, with an integrated transmission grid directly connecting to 15 regional balancing authority areas. Power generation assets include nuclear, coal, natural gas, hydroelectric, wind, and solar facilities spanning Missouri, Illinois, and an interstate dam between Illinois and Iowa. The company is headquartered in St. Louis, Missouri.
Summary of the business section of Ameren's latest annual report, written by StockData.
Company profile
Company
- Legal name
- AMEREN CORP
- Founded
- 1997
- Headquarters
- St Louis, MO
- Address
- 1901 Chouteau Ave, Mc 1310 63166-6149
- Phone
- (314) 621-3222
- Website
- www.ameren.com
- Industry
- Electric & Other Services Combined
- Incorporated in
- Missouri
- Fiscal year ends
- December 31
- Auditor
- PricewaterhouseCoopers LLP, St. Louis, Missouri
Stock & identifiers
- Ticker
- AEE
- Exchange
- NYSE
- Shares outstanding
- 277M, Jul 30, 2026
- Public float
- $25.95B, Jun 30, 2025
- Filer category
- Large accelerated filer
- SEC CIK
- 1002910
- CUSIP
- 023608102
- ISIN
- US0236081024
- LEI
- XRZQ5S7HYJFPHJ78L959
- EIN
- 43-1723446
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Martin J. Lyons | Chairman, President & CEO, Director | 284,797 |
| Ryan J. Martin | SVP Finance | 27,432 |
| Theresa A. Shaw | SVP and CATO | 33,268 |
| Michael L. Moehn | Group President, Utilities | 204,993 |
| Ajay K. Arora | EVP of Subsidiary | 45,912 |
| Aaron P. Melda | Chairman & President of Sub | 6,255 |
| Patrick E. Smith | Chairman & President of Sub | 24,356 |
| Eric V. Seidler | SVP of Subsidiary | 15,834 |
| David Matthew Feinberg | EVP, GC & Secretary | 8,269 |
| Chonda J. Nwamu | Executive Vice President | 43,717 |
| Stephen C. Lee | VP, INTERIM GC & SECRETARY | 5,958 |
| Rafael Flores | Director | 13,888 |
| Catherine S. Brune | Director | 26,628 |
| Timothy S. Rausch | Director | 1,251 |
| Jamie L. Engstrom | Director | 0 |
| Richard J. Harshman | Director | 22,135 |
| Ellen M. Fitzsimmons | Director | 53,026 |
| Craig S. Ivey | Director | 16,597 |
| Steven H. Lipstein | Director | 37,862 |
| Cynthia J. Brinkley | Director | 13,494 |
| Ward H. Dickson | Director | 18,946 |
| Steven O. Vondran | Director | 3,597 |
| Leo S. Mackay Jr. | Director | 11,834 |
| Noelle K. Eder | Director | 16,609 |
| James C. Johnson | Director | 60,196 |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2025 Mr.Lyons | $14.06M | $17.25M | $3.48M | $148 | $159 |
| FY2024 Mr.Lyons | $9.73M | $18.16M | $3.30M | $134 | $138 |
| FY2023 Mr.Lyons | $9.01M | $2.81M | $4.55M | $105 | $112 |
| FY2022 Mr.Lyons | $7.36M | $8.43M | $3.86M | $125 | $120 |
| FY2021 Mr.Lyons | $9.81M | $13.57M | $3.28M | $122 | $118 |
| FY2020 Mr.Lyons | $10.06M | $15.07M | $4.12M | $104 | $101 |
“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Feb 4, 2014 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Dec 4, 2013 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Oct 7, 2010 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Jan 16, 2009 | Deregistration | Termination of SEC registration (Form 15) |
| Oct 10, 2008 | Delisting | Notice of delisting from exchange (Form 25) |
| Jan 13, 2006 | Deregistration | Termination of SEC registration (Form 15) |
| May 20, 2005 | Delisting | Notice of delisting from exchange (Form 25) |
| Feb 26, 2002 | Listing | Registration of securities on an exchange (Form 8-A) |
| Nov 23, 1998 | Listing | Registration of securities on an exchange (Form 8-A) |
| Nov 13, 1995 | Merger | Registration of securities for a merger or exchange offer (S-4) |