Company facts
- Industry
- Electric & Other Services Combined
- Headquarters
- St Louis, Missouri
- Most recent report
- 8-K, filed Aug 4, 2026
- Incorporated
- Missouri
- Filings on record
- 1,011+ filings
- On EDGAR
- CIK 1002910
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 46
News 8 of 162
Prospectuses and Registrations 8 of 48
- 424B5 Prospectus supplement for an offering Aug 4, 2026
- S-3ASR Automatic shelf registration Aug 4, 2026
- S-3ASR Automatic shelf registration May 15, 2026
- 424B2 Prospectus supplement for an offering Feb 27, 2026
- FWP Free writing prospectus Feb 26, 2026
- 424B3 Prospectus supplement for an offering Feb 26, 2026
- 424B5 Prospectus supplement for an offering Aug 7, 2025
- 424B2 Prospectus supplement for an offering May 13, 2025
Proxies 8 of 37
- DEFA14A Extra proxy material Mar 31, 2026
- DEF 14A Proxy statement for a shareholder vote Mar 31, 2026
- PX14A6G Shareholder's own proxy material Apr 30, 2025
- DEFA14A Extra proxy material Apr 28, 2025
- DEFA14A Extra proxy material Mar 27, 2025
- DEFA14A Extra proxy material Mar 25, 2025
- DEF 14A Proxy statement for a shareholder vote Mar 25, 2025
- DEFA14A Extra proxy material Apr 5, 2024
Ownership 8 of 688
- 4 Insider reported a trade Aug 17, 2026
- 4 Insider reported a trade Aug 5, 2026
- 144 Notice of a proposed sale of restricted stock Aug 3, 2026
- 4 Insider reported a trade Jul 6, 2026
- 4 Insider reported a trade Jul 6, 2026
- 4 Insider reported a trade Jul 6, 2026
- 4 Insider reported a trade Jun 3, 2026
- 4 Insider reported a trade Jun 3, 2026
Other 8 of 30
- 11-K Employee stock plan report Jun 26, 2026
- ARS Annual report sent to shareholders Mar 31, 2026
- 11-K Employee stock plan report Jun 25, 2025
- ARS Annual report sent to shareholders Mar 25, 2025
- 11-K Employee stock plan report Jun 25, 2024
- UPLOAD Comment letter from SEC staff Apr 18, 2024
- CORRESP Reply to SEC staff Apr 10, 2024
- UPLOAD Comment letter from SEC staff Mar 27, 2024
Everything here comes from Ameren Corp's own filings on SEC EDGAR. The filing list is rechecked every hour.