Ameren Corp SEC filings AEE
Ameren Corp has 1,002 filings in SEC EDGAR's recent list, going back to May 11, 2015. Its latest annual report, Form ARS, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 3, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Other events
|
Nov 5, 2026 | Nov 5, 2026 |
| 4 | Insider transaction | Nov 5, 2026 | Nov 3, 2026 |
| 144 | Notice of proposed sale | Nov 3, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 28, 2026 | Sep 28, 2026 |
| 8-K |
Current report
Other events
|
Sep 18, 2026 | Sep 18, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 11, 2026 |
| 424B2 | Prospectus | Sep 9, 2026 | — |
| FWP | Free writing prospectus | Sep 8, 2026 | — |
| 305B2 | Filing | Sep 8, 2026 | — |
| 424B3 | Prospectus | Sep 8, 2026 | — |
| 8-K |
Current report
Other events
|
Aug 24, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 18, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Aug 3, 2026 |
| 8-K |
Current report
Other events
|
Aug 4, 2026 | Jul 31, 2026 |
| 424B5 | Prospectus supplement | Aug 4, 2026 | — |
| S-3ASR | Automatic shelf registration | Aug 4, 2026 | — |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Aug 3, 2026 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jul 30, 2026 | Jul 30, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Other events
|
Jun 29, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Other events
|
Jun 26, 2026 | Jun 26, 2026 |
| 11-K | Employee savings plan report | Jun 26, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 3 | Initial insider ownership | Jun 3, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2026 | May 14, 2026 |
| S-3ASR | Automatic shelf registration | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
May 5, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 28, 2026 | — |
| ARS | Annual report to shareholders | Mar 31, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 31, 2026 | — |
| DEF 14A | Proxy statement | Mar 31, 2026 | May 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Other events
|
Mar 4, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 144 | Notice of proposed sale | Mar 3, 2026 | — |
| 3 | Initial insider ownership | Mar 2, 2026 | Mar 1, 2026 |
| 8-K |
Current report
Other events
|
Feb 27, 2026 | Feb 27, 2026 |
| 424B2 | Prospectus | Feb 27, 2026 | — |
| FWP | Free writing prospectus | Feb 26, 2026 | — |
| 424B3 | Prospectus | Feb 26, 2026 | — |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 10-K | Annual report | Feb 18, 2026 | Dec 31, 2025 |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Results of operations, Other events
|
Feb 11, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 9, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 144 | Notice of proposed sale | Feb 2, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4/A | Form 4/a | Jan 7, 2026 | Nov 17, 2025 |
| 3 | Initial insider ownership | Jan 7, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 15, 2025 | Dec 12, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 10, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 26, 2025 |
| 8-K |
Current report
Other events
|
Nov 24, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 13, 2025 |
| 3 | Initial insider ownership | Nov 17, 2025 | Nov 13, 2025 |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 144 | Notice of proposed sale | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 10, 2025 | — |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 5, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Nov 3, 2025 |
| 3 | Initial insider ownership | Nov 4, 2025 | Oct 25, 2025 |
| 3 | Initial insider ownership | Nov 4, 2025 | Oct 25, 2025 |
| 3 | Initial insider ownership | Nov 4, 2025 | Oct 25, 2025 |
| 3 | Initial insider ownership | Nov 4, 2025 | Oct 25, 2025 |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 4 | Insider transaction | Oct 14, 2025 | Oct 9, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 14, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 3, 2025 | Oct 2, 2025 |
| 8-K |
Current report
Other events
|
Sep 26, 2025 | Sep 26, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 3, 2025 |
| 4 | Insider transaction | Aug 26, 2025 | Aug 22, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 19, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| 8-K |
Current report
Other events
|
Aug 7, 2025 | Aug 7, 2025 |
| 424B5 | Prospectus supplement | Aug 7, 2025 | — |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jul 31, 2025 | Jul 31, 2025 |
| 11-K | Employee savings plan report | Jun 25, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | May 21, 2025 | May 20, 2025 |
| 144 | Notice of proposed sale | May 20, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
May 14, 2025 | May 12, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 424B2 | Prospectus | May 13, 2025 | — |
| 424B3 | Prospectus | May 12, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 6, 2025 |
| 10-Q | Quarterly report | May 5, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
May 1, 2025 | May 1, 2025 |
| PX14A6G | Filing | Apr 30, 2025 | — |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 28, 2025 | Apr 22, 2025 |
| 8-K |
Current report
Other events
|
Apr 4, 2025 | Apr 4, 2025 |
| DEFA14A | Additional proxy material | Mar 27, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2025 | Mar 24, 2025 |
| ARS | Annual report to shareholders | Mar 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 25, 2025 | — |
| DEF 14A | Proxy statement | Mar 25, 2025 | May 8, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Other events
|
Mar 7, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 8-K |
Current report
Other events
|
Mar 3, 2025 | Mar 3, 2025 |
| 8-K |
Current report
Other events
|
Mar 3, 2025 | Feb 26, 2025 |
| 424B2 | Prospectus | Feb 28, 2025 | — |
| 4 | Insider transaction | Feb 27, 2025 | Feb 26, 2025 |
| FWP | Free writing prospectus | Feb 27, 2025 | — |
| 424B3 | Prospectus | Feb 27, 2025 | — |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 3 | Initial insider ownership | Feb 21, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 144 | Notice of proposed sale | Feb 20, 2025 | — |
| 144 | Notice of proposed sale | Feb 19, 2025 | — |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 3, 2025 | Jan 30, 2025 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electric & Other Services Combined (SIC 4931)
- Listed as
- AEE (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MO
- Headquarters
- St Louis, MO
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1002910
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.