American Electric Power Co Inc SEC filings AEP
American Electric Power Co Inc has 1,011 filings in SEC EDGAR's recent list, going back to Jan 3, 2020. Its latest annual report, Form ARS, was filed on Mar 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Jun 26, 2026 | — |
| 424B5 | Prospectus supplement | May 13, 2026 | — |
| 424B5 | Prospectus supplement | May 12, 2026 | — |
| 424B2 | Prospectus | Dec 4, 2025 | — |
| FWP | Free writing prospectus | Dec 3, 2025 | — |
| 424B5 | Prospectus supplement | Dec 3, 2025 | — |
| 424B5 | Prospectus supplement | Nov 25, 2025 | — |
| S-3 | Shelf registration | Nov 5, 2025 | — |
| 424B2 | Prospectus | Sep 24, 2025 | — |
| FWP | Free writing prospectus | Sep 23, 2025 | — |
| 424B5 | Prospectus supplement | Sep 23, 2025 | — |
| 424B5 | Prospectus supplement | Mar 25, 2025 | — |
| 424B5 | Prospectus supplement | Mar 24, 2025 | — |
| POS AM | Filing | Mar 24, 2025 | — |
| POS AM | Filing | Mar 24, 2025 | — |
| S-3 | Shelf registration | Feb 14, 2025 | — |
| S-3 | Shelf registration | Feb 14, 2025 | — |
| 424B5 | Prospectus supplement | Feb 12, 2025 | — |
| 424B2 | Prospectus | Jun 18, 2024 | — |
| FWP | Free writing prospectus | Jun 17, 2024 | — |
| 424B5 | Prospectus supplement | Jun 17, 2024 | — |
| S-8 | Employee stock plan registration | May 10, 2024 | — |
| 424B2 | Prospectus | Dec 7, 2023 | — |
| FWP | Free writing prospectus | Dec 6, 2023 | — |
| 424B5 | Prospectus supplement | Dec 6, 2023 | — |
| 424B5 | Prospectus supplement | Nov 16, 2023 | — |
| S-3ASR | Automatic shelf registration | Nov 15, 2023 | — |
| S-3ASR | Automatic shelf registration | Nov 6, 2023 | — |
| 424B2 | Prospectus | Jun 1, 2023 | — |
| FWP | Free writing prospectus | May 31, 2023 | — |
| 424B5 | Prospectus supplement | May 31, 2023 | — |
| 424B2 | Prospectus | Feb 28, 2023 | — |
| FWP | Free writing prospectus | Feb 27, 2023 | — |
| 424B5 | Prospectus supplement | Feb 27, 2023 | — |
| 424B2 | Prospectus | Nov 1, 2022 | — |
| FWP | Free writing prospectus | Oct 31, 2022 | — |
| 424B5 | Prospectus supplement | Oct 31, 2022 | — |
| 424B2 | Prospectus | Jan 5, 2022 | — |
| FWP | Free writing prospectus | Jan 4, 2022 | — |
| 424B5 | Prospectus supplement | Jan 4, 2022 | — |
| 424B2 | Prospectus | Nov 12, 2021 | — |
| FWP | Free writing prospectus | Nov 10, 2021 | — |
| 424B5 | Prospectus supplement | Nov 10, 2021 | — |
| 424B2 | Prospectus | Nov 19, 2020 | — |
| FWP | Free writing prospectus | Nov 18, 2020 | — |
| 424B5 | Prospectus supplement | Nov 18, 2020 | — |
| S-3ASR | Automatic shelf registration | Nov 16, 2020 | — |
| 424B5 | Prospectus supplement | Nov 6, 2020 | — |
| S-3ASR | Automatic shelf registration | Nov 6, 2020 | — |
| 424B2 | Prospectus | Aug 12, 2020 | — |
| FWP | Free writing prospectus | Aug 12, 2020 | — |
| 424B5 | Prospectus supplement | Aug 11, 2020 | — |
| 424B2 | Prospectus | Mar 4, 2020 | — |
| FWP | Free writing prospectus | Mar 3, 2020 | — |
| 424B5 | Prospectus supplement | Mar 3, 2020 | — |
Showing 55 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Electric Services (SIC 4911)
- Listed as
- AEP (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- NY
- Headquarters
- Columbus, OH
- SEC filer status
- Large accelerated filer
- SEC CIK
- 4904
- Former names
- AMERICAN ELECTRIC POWER COMPANY INC (until Jan 10, 2002)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.