AEE · CIK 0001002910
AMEREN CORP (AEE) SEC Filings
Browse 2551 SEC filings for AMEREN CORP, covering Nov 13, 1995 through Jul 6, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,551
Filed in the last 12 months
118
History covered
1995–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
Annual report · Feb 18, 2026
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10-Q
Quarterly report · May 8, 2026
Open original filingLatest company update
8-K
Other material event · Jun 29, 2026
Open original filingComplete filing history
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50 filings
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| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jul 1, 2026 | Jul 6, 2026 |
| 4 | Change in insider ownership | Jul 1, 2026 | Jul 6, 2026 |
| 4 | Change in insider ownership | Jul 1, 2026 | Jul 6, 2026 |
| 8-K | Other material event | Jun 29, 2026 | Jun 29, 2026 |
| 8-K | Other material event | Jun 26, 2026 | Jun 26, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 26, 2026 |
| 4 | Change in insider ownership | Jun 1, 2026 | Jun 3, 2026 |
| 4 | Change in insider ownership | Jun 1, 2026 | Jun 3, 2026 |
| 3 | Initial insider ownership statement | Jun 1, 2026 | Jun 3, 2026 |
| 8-K | Shareholder vote | May 14, 2026 | May 18, 2026 |
| S-3ASR | S-3ASR filing | — | May 15, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | May 15, 2026 |
| 4 | Change in insider ownership | May 12, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | Mar 31, 2026 | May 8, 2026 |
| 8-K | Results of operations; Other material event | May 5, 2026 | May 5, 2026 |
| 4 | Change in insider ownership | May 1, 2026 | May 5, 2026 |
| 144 | Notice of proposed securities sale | — | May 1, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 28, 2026 |
| ARS | ARS filing | Dec 31, 2025 | Mar 31, 2026 |
| DEFA14A | Additional proxy materials | — | Mar 31, 2026 |
| DEF 14A | Definitive proxy statement | May 14, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | Mar 26, 2026 |
| 4 | Change in insider ownership | Mar 4, 2026 | Mar 6, 2026 |
| 4 | Change in insider ownership | Mar 5, 2026 | Mar 6, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
81 filings
2025
113 filings
2024
86 filings
2023
100 filings
2022
84 filings
2021
97 filings
2020
94 filings
2019
90 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.