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 |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure
|
Sep 23, 2026 | Sep 23, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Aug 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 9, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 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 |
| 8-K |
Current report
Results of operations
|
May 12, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 12, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 12, 2026 | May 8, 2026 |
| ARS | Annual report to shareholders | Mar 27, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 27, 2026 | — |
| DEF 14A | Proxy statement | Mar 27, 2026 | May 8, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 19, 2026 |
| 10-K | Annual report | Mar 16, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2026 | Mar 16, 2026 |
| EFFECT | Filing | Mar 11, 2026 | — |
| POS AM | Filing | Mar 10, 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 | — |
| 8-K |
Current report
Officer or director change
|
Dec 11, 2025 | Dec 9, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2025 | Nov 18, 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 | — |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 7, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, Impairment, Regulation FD disclosure
|
Oct 15, 2025 | Oct 10, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 4, 2025 | — |
| 25-NSE | Delisting notice | Aug 1, 2025 | — |
| 8-K |
Current report
Other events
|
Jul 18, 2025 | Jul 18, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Jun 27, 2025 | Jun 25, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 20, 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 |
| S-8 | Employee stock plan registration | May 12, 2025 | — |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 9, 2025 | May 8, 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 |
| ARS | Annual report to shareholders | Mar 31, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Mar 31, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 10-K | Annual report | Mar 17, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2025 | Mar 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 26, 2025 | — |
| S-8 POS | Filing | Feb 20, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 12, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2024 | Jul 10, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 10, 2024 | Jul 9, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 5, 2024 | Jun 4, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 22, 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 |
| 8-K |
Current report
Results of operations
|
May 14, 2024 | May 14, 2024 |
| 10-Q | Quarterly report | May 13, 2024 | Mar 31, 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 |
| DEFA14A | Additional proxy material | Apr 24, 2024 | — |
| DEF 14A | Proxy statement | Apr 24, 2024 | Jun 4, 2024 |
| ARS | Annual report to shareholders | Apr 23, 2024 | Dec 31, 2023 |
| PRE 14A | Preliminary proxy statement | Apr 5, 2024 | Jun 4, 2024 |
| 10-K | Annual report | Mar 25, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2024 | Mar 25, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 20, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2023 | Nov 13, 2023 |
| 4 | Insider transaction | Sep 20, 2023 | Sep 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 23, 2023 | Aug 23, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 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 |
| SD | Specialized disclosure (conflict minerals) | May 31, 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 |
| 8-K/A |
Amended current report
Shareholder vote results
|
May 22, 2023 | May 15, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 19, 2023 | May 15, 2023 |
| S-8 | Employee stock plan registration | 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 |
| 8-K |
Current report
Results of operations
|
May 15, 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 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 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 |
| ARS | Annual report to shareholders | Apr 14, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 14, 2023 | May 18, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 31, 2023 | — |
| 8-K |
Current report
Material agreement, Officer or director change
|
Mar 31, 2023 | 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 |
| 10-K | Annual report | Mar 21, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 20, 2023 | Mar 20, 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 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 19, 2022 | Dec 14, 2022 |
| 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 | — |
| 8-K |
Current report
Results of operations
|
Nov 14, 2022 | Nov 14, 2022 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 4, 2022 | Sep 29, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 2, 2022 | Aug 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 10-Q | Quarterly report | Aug 9, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | Jul 26, 2022 | Jul 22, 2022 |
| 4 | Insider transaction | Jul 26, 2022 | Jul 22, 2022 |
| SC TO-I/A | Filing | Jul 22, 2022 | — |
| SC TO-I/A | Filing | Jul 18, 2022 | — |
| SC TO-I/A | Filing | Jun 29, 2022 | — |
| 8-K |
Current report
Other events
|
Jun 22, 2022 | Jun 22, 2022 |
| SC TO-I | Filing | May 31, 2022 | — |
| 424B3 | Prospectus | May 31, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 27, 2022 | May 26, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
Other Pumps & Pumping Equipment companies
- Xylem Inc. XYL
- Idex Corp /DE/ IEX
- Graco Inc GGG
- Flowserve Corp FLS
- Gorman Rupp Co GRC
- Itt Inc. ITT
Source: SEC EDGAR filings. This is company-reported data, not investment advice.