Ameren Corp SEC filings AEE
Ameren Corp has 1,001 filings in SEC EDGAR's recent list, going back to May 7, 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 Sep 28, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 305B2 | Filing | Sep 8, 2026 | — |
| 11-K | Employee savings plan report | Jun 26, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 25, 2025 | Dec 31, 2024 |
| PX14A6G | Filing | Apr 30, 2025 | — |
| 11-K | Employee savings plan report | Jun 25, 2024 | Dec 31, 2023 |
| UPLOAD | Letter from the SEC | Apr 18, 2024 | — |
| CORRESP | Letter to the SEC | Apr 10, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 27, 2024 | — |
| 11-K/A | Filing | Oct 27, 2023 | Dec 31, 2017 |
| 11-K/A | Filing | Oct 27, 2023 | Dec 31, 2018 |
| 11-K/A | Filing | Oct 27, 2023 | Dec 31, 2019 |
| 11-K/A | Filing | Oct 27, 2023 | Dec 31, 2020 |
| 11-K/A | Filing | Oct 27, 2023 | Dec 31, 2021 |
| 11-K/A | Filing | Oct 23, 2023 | Dec 31, 2022 |
| 11-K | Employee savings plan report | Jun 27, 2023 | Dec 31, 2022 |
| PX14A6G | Filing | Mar 29, 2023 | — |
| 11-K | Employee savings plan report | Jun 24, 2022 | Dec 31, 2021 |
| 11-K | Employee savings plan report | Jun 24, 2021 | Dec 31, 2020 |
| 11-K | Employee savings plan report | Jun 25, 2020 | Dec 31, 2019 |
| PX14A6G | Notice of exempt solicitation | Apr 3, 2020 | — |
| 11-K | Employee savings plan report | Jun 21, 2019 | Dec 31, 2018 |
| 11-K | Employee savings plan report | Jun 15, 2018 | Dec 31, 2017 |
| PX14A6G | Filing | Mar 12, 2018 | — |
| 11-K | Employee savings plan report | Jun 23, 2017 | Dec 31, 2016 |
| PX14A6G | Filing | Apr 5, 2017 | — |
| PX14A6G | California public employees retirement system px14a6g 3-27-2017 (aee) | Mar 27, 2017 | — |
| PX14A6G | Filing | Mar 3, 2017 | — |
| NO ACT | Auto-generated paper document | Jan 12, 2017 | Dec 22, 2016 |
| 11-K | Employee savings plan report | Jun 23, 2016 | Dec 31, 2015 |
| UPLOAD | Letter from the SEC | Jun 20, 2016 | — |
| CORRESP | Letter to the SEC | Jun 16, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2016 | — |
| PX14A6G | Filing | Apr 18, 2016 | — |
| 11-K | Employee savings plan report | Jun 26, 2015 | Dec 31, 2014 |
Showing 34 filings. 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.