Ampco Pittsburgh Corp SEC filings AP
Ampco Pittsburgh Corp has 1,004 filings in SEC EDGAR's recent list, going back to Dec 11, 2007. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 23, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 28, 2026 | Aug 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Jun 26, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 5 | Annual insider ownership | Feb 13, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 22, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Dec 19, 2025 | — |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 26, 2025 | — |
| 4 | Insider transaction | Nov 26, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 14, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 4, 2025 | — |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 26, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 13, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 13, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 13, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 13, 2024 |
| 4 | Insider transaction | May 8, 2024 | May 6, 2024 |
| 4 | Insider transaction | May 8, 2024 | May 6, 2024 |
| 4 | Insider transaction | May 8, 2024 | May 6, 2024 |
| 4 | Insider transaction | May 8, 2024 | May 6, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 20, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4 | Insider transaction | Sep 20, 2023 | Sep 13, 2023 |
| 4/A | Primary document | Jul 5, 2023 | Jun 28, 2023 |
| 4 | Insider transaction | Jul 3, 2023 | Jun 28, 2023 |
| 4 | Insider transaction | Jun 26, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | May 24, 2023 | Sep 22, 2020 |
| 4/A | Primary document | May 23, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 13, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 13, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 13, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 13, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 8, 2023 | May 5, 2020 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 31, 2023 | — |
| 4 | Insider transaction | Mar 29, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Oct 25, 2016 |
| 4 | Insider transaction | Mar 24, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 24, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 14, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 14, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 14, 2023 | Mar 9, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 28, 2022 | — |
| 4 | Insider transaction | Nov 23, 2022 | Nov 21, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 23, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 22, 2022 | — |
| 4 | Insider transaction | Jul 26, 2022 | Jul 22, 2022 |
| 4 | Insider transaction | Jul 26, 2022 | Jul 22, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 3/A | Form 3/a submission | May 16, 2022 | Feb 10, 2022 |
| 4 | Insider transaction | May 13, 2022 | May 5, 2022 |
| 3 | Initial insider ownership | May 13, 2022 | May 5, 2022 |
| 4/A | Form 4/a submission | May 11, 2022 | May 9, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 9, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 9, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 9, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 9, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 5, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 1, 2022 | — |
| 3 | Initial insider ownership | Feb 22, 2022 | Feb 10, 2022 |
| 3 | Initial insider ownership | Feb 22, 2022 | Feb 10, 2022 |
| 3 | Initial insider ownership | Feb 22, 2022 | Feb 10, 2022 |
| 5 | Annual insider ownership | Feb 14, 2022 | Dec 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 11, 2022 | — |
| 4 | Insider transaction | Feb 8, 2022 | Feb 4, 2022 |
| 3 | Initial insider ownership | Jan 20, 2022 | Jan 1, 2022 |
| 4/A | Form 4/a submission | Jan 12, 2022 | Dec 31, 2021 |
| SC 13D | Ownership over 5% (active) | Jan 7, 2022 | — |
| 4 | Insider transaction | Jan 4, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Jan 4, 2022 | Dec 31, 2021 |
| 4/A | Form 4/a submission | Oct 13, 2021 | May 13, 2021 |
| 4/A | Form 4/a submission | Oct 13, 2021 | May 13, 2021 |
| 4/A | Form 4/a submission | Oct 13, 2021 | May 13, 2021 |
| 4/A | Form 4/a submission | Oct 13, 2021 | May 13, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 16, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 16, 2021 | — |
| 4/A | Form 4/a submission | Jul 7, 2021 | May 7, 2021 |
| 4 | Insider transaction | Jul 6, 2021 | Jul 2, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 1, 2021 | — |
| 4 | Insider transaction | Jun 30, 2021 | Jun 29, 2021 |
| 4 | Insider transaction | Jun 2, 2021 | May 28, 2021 |
| 4 | Insider transaction | May 28, 2021 | May 26, 2021 |
| 4/A | Form 4/a submission | May 17, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 7, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 7, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 7, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 7, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 7, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 9, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 19, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| 4 | Insider transaction | Feb 5, 2021 | Feb 4, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 1, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 9, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 6, 2020 | — |
| 4 | Insider transaction | Oct 1, 2020 | Sep 29, 2020 |
| 3 | Initial insider ownership | Oct 1, 2020 | Sep 28, 2020 |
| 3 | Initial insider ownership | Oct 1, 2020 | Sep 28, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 1, 2020 | — |
| 4 | Insider transaction | Sep 24, 2020 | Feb 3, 2014 |
| 4 | Insider transaction | Sep 24, 2020 | Sep 22, 2020 |
| 4 | Insider transaction | Sep 24, 2020 | Sep 22, 2020 |
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
- Pumps & Pumping Equipment (SIC 3561)
- Listed as
- AP (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- PA
- Headquarters
- Carnegie, PA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 6176
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.