# Ampco Pittsburgh Corp: filings

AP · NYSE · CIK 6176 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ap.md) · [Financials](/companies/ap/financials.md) · [Filings](/companies/ap/filings.md) · [Insiders](/companies/ap/insiders.md)

## Reports and events: 300 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 469, 8-K 150, 10-Q 53, SC 13D/A 44, 4/A 29, 3 26, SC 13G/A 26, 10-K 18, DEF 14A 17, SD 13, DEFA14A 9, UPLOAD 9, SC 13G 8, CORRESP 7, 8-K/A 5, S-8 5, ARS 4, EFFECT 3, SC 13D 3, SCHEDULE 13D/A 3, SC TO-I/A 3, 3/A 2, 424B3 2, 5 2, PRE 14A 2, S-1 2, S-1/A 2, SCHEDULE 13G/A 2, 10-K/A 1, 10-Q/A 1, 25-NSE 1, 425 1, 8-A12B 1, CERT 1, DEFC14A 1, FWP 1, POS AM 1, PREC14A 1, RW 1, S-3 1, S-8 POS 1, SCHEDULE 13D 1, SCHEDULE 13G 1, SC TO-I 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-23 | 09:19 ET | [8-K](/filings/0001193125-26-398634.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-398634 |
| 2026-08-11 | 06:28 ET | [8-K](/filings/0001193125-26-343343.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-343343 |
| 2026-08-11 | 06:16 ET | [10-Q](/filings/0001193125-26-343321.md) | Quarterly report, period 2026-06-30 | 0001193125-26-343321 |
| 2026-07-09 | 08:49 ET | [8-K](/filings/0001193125-26-299212.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-299212 |
| 2026-05-12 | 07:18 ET | [8-K](/filings/0001193125-26-218172.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-218172 |
| 2026-05-12 | 06:58 ET | [10-Q](/filings/0001193125-26-218133.md) | Quarterly report, period 2026-03-31 | 0001193125-26-218133 |
| 2026-05-12 | 06:34 ET | [8-K](/filings/0001193125-26-218107.md) | 5.07 Shareholder vote results | 0001193125-26-218107 |
| 2026-03-27 | 08:28 ET | [DEF 14A](/filings/0001193125-26-127659.md) | Proxy statement, period 2026-05-08 | 0001193125-26-127659 |
| 2026-03-16 | 17:09 ET | [10-K](/filings/0001193125-26-108598.md) | Annual report, period 2025-12-31 | 0001193125-26-108598 |
| 2026-03-16 | 16:51 ET | [8-K](/filings/0001193125-26-108519.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-108519 |
| 2025-12-19 | 08:54 ET | [SCHEDULE 13D](/filings/0001731122-25-001701.md) | Ownership report, active investor | 0001731122-25-001701 |
| 2025-12-11 | 16:12 ET | [8-K](/filings/0001193125-25-315955.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-315955 |
| 2025-11-26 | 18:27 ET | [SCHEDULE 13D/A](/filings/0001193125-25-300922.md) | Ownership report, active investor, amended | 0001193125-25-300922 |
| 2025-11-18 | 16:30 ET | [8-K](/filings/0001193125-25-286241.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-286241 |
| 2025-11-14 | 17:40 ET | [SCHEDULE 13D/A](/filings/0000921895-25-003128.md) | Ownership report, active investor, amended | 0000921895-25-003128 |
| 2025-11-12 | 16:42 ET | [10-Q](/filings/0001193125-25-277803.md) | Quarterly report, period 2025-09-30 | 0001193125-25-277803 |
| 2025-11-12 | 16:26 ET | [8-K](/filings/0001193125-25-277722.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-277722 |
| 2025-11-07 | 16:32 ET | [8-K](/filings/0001193125-25-272459.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-272459 |
| 2025-10-15 | 16:31 ET | [8-K](/filings/0001193125-25-240315.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 2.06 Material impairments; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-240315 |
| 2025-08-12 | 16:57 ET | [8-K](/filings/0000950170-25-107433.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-107433 |
| 2025-08-12 | 16:45 ET | [10-Q](/filings/0000950170-25-107413.md) | Quarterly report, period 2025-06-30 | 0000950170-25-107413 |
| 2025-08-04 | 16:06 ET | [SCHEDULE 13D/A](/filings/0000807249-25-000106.md) | Ownership report, active investor, amended | 0000807249-25-000106 |
| 2025-07-18 | 16:21 ET | [8-K](/filings/0000950170-25-096935.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-25-096935 |
| 2025-06-27 | 16:19 ET | [8-K](/filings/0000950170-25-090898.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-090898 |
| 2025-05-12 | 16:38 ET | [10-Q](/filings/0000950170-25-069330.md) | Quarterly report, period 2025-03-31 | 0000950170-25-069330 |
| 2025-05-12 | 16:26 ET | [8-K](/filings/0000950170-25-069275.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-069275 |
| 2025-05-09 | 16:32 ET | [8-K](/filings/0000950170-25-068111.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-25-068111 |
| 2025-03-31 | 08:28 ET | [DEF 14A](/filings/0000950170-25-047227.md) | Proxy statement, period 2025-03-28 | 0000950170-25-047227 |
| 2025-03-17 | 16:13 ET | [10-K](/filings/0000950170-25-040259.md) | Annual report, period 2024-12-31 | 0000950170-25-040259 |
| 2025-03-12 | 16:55 ET | [8-K](/filings/0000950170-25-038043.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-038043 |
| 2024-11-12 | 09:09 ET | [10-Q](/filings/0000950170-24-124716.md) | Quarterly report, period 2024-09-30 | 0000950170-24-124716 |
| 2024-11-12 | 08:39 ET | [8-K](/filings/0000950170-24-124672.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-124672 |
| 2024-08-12 | 17:11 ET | [8-K](/filings/0000950170-24-095536.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-095536 |
| 2024-08-12 | 16:44 ET | [10-Q](/filings/0000950170-24-095513.md) | Quarterly report, period 2024-06-30 | 0000950170-24-095513 |
| 2024-07-10 | 17:20 ET | [8-K](/filings/0000950170-24-082773.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-082773 |
| 2024-07-10 | 21:15 ET | [8-K](/filings/0000950170-24-082572.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-24-082572 |
| 2024-06-05 | 08:07 ET | [8-K](/filings/0000950170-24-069082.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-069082 |
| 2024-05-14 | 09:10 ET | [8-K](/filings/0000950170-24-059153.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-059153 |
| 2024-05-13 | 16:23 ET | [10-Q](/filings/0000950170-24-058689.md) | Quarterly report, period 2024-03-31 | 0000950170-24-058689 |
| 2024-04-24 | 08:30 ET | [DEF 14A](/filings/0000950170-24-047252.md) | Proxy statement, period 2024-06-04 | 0000950170-24-047252 |
| 2024-03-25 | 17:29 ET | [10-K](/filings/0000950170-24-036011.md) | Annual report, period 2023-12-31 | 0000950170-24-036011 |
| 2024-03-25 | 17:24 ET | [8-K](/filings/0000950170-24-036007.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-036007 |
| 2024-02-20 | 15:18 ET | [SC 13D/A](/filings/0001437749-24-004788.md) | Ownership report, active investor, amended | 0001437749-24-004788 |
| 2023-11-14 | 08:29 ET | [10-Q](/filings/0000950170-23-063377.md) | Quarterly report, period 2023-09-30 | 0000950170-23-063377 |
| 2023-11-13 | 17:02 ET | [8-K](/filings/0000950170-23-063102.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-063102 |
| 2023-08-23 | 16:47 ET | [8-K](/filings/0000950170-23-044159.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-23-044159 |
| 2023-08-09 | 16:53 ET | [8-K](/filings/0000950170-23-040704.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-040704 |
| 2023-08-09 | 16:38 ET | [10-Q](/filings/0000950170-23-040682.md) | Quarterly report, period 2023-06-30 | 0000950170-23-040682 |
| 2023-05-22 | 13:36 ET | [8-K/A](/filings/0000950170-23-023385.md) | 5.07 Shareholder vote results | 0000950170-23-023385 |
| 2023-05-19 | 08:44 ET | [8-K](/filings/0000950170-23-023159.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-23-023159 |

Page 1 of 6. [Older](/companies/ap/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 14:51 ET. No prices; not investment advice.