AMPCO PITTSBURGH CORP — All Filings
1,001 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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10-K405
10-Q
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15-12B
25
25-NSE
3
3/A
4
4/A
424B3
425
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFC14A
EFFECT
FWP
NO ACT
NT 10-Q
POS AM
PRE 14A
PREC14A
RW
S-1
S-1/A
S-3
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| ARS | ARS | 0001193125-26-127676 | Mar 27, 2026 | Dec 31, 2025 |
| DEFA14A | DEFA14A | 0001193125-26-127662 | Mar 27, 2026 | — |
| DEF 14A | DEF 14A | 0001193125-26-127659 | Mar 27, 2026 | May 8, 2026 |
| 4 | 4 | 0001193125-26-115410 | Mar 19, 2026 | — |
| 10-K | 10-K | 0001193125-26-108598 | Mar 16, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001193125-26-108519 | Mar 16, 2026 | — |
| EFFECT | — | 9999999995-26-000770 | Mar 11, 2026 | — |
| POS AM | POS AM | 0001193125-26-099514 | Mar 10, 2026 | — |
| 4 | 4 | 0001193125-26-093860 | Mar 5, 2026 | Mar 4, 2026 |
| 4 | 4 | 0001193125-26-093699 | Mar 5, 2026 | Mar 4, 2026 |
| 4 | 4 | 0001193125-26-093655 | Mar 5, 2026 | Mar 4, 2026 |
| 5 | PRIMARY DOCUMENT | 0001498290-26-000001 | Feb 13, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | — | 0001144969-26-000001 | Jan 22, 2026 | — |
| SCHEDULE 13D | — | 0001731122-25-001701 | Dec 19, 2025 | — |
| 8-K | 8-K | 0001193125-25-315955 | Dec 11, 2025 | Dec 9, 2025 |
| 4 | 4 | 0001193125-25-304641 | Dec 2, 2025 | Dec 1, 2025 |
| 4 | 4 | 0001193125-25-299036 | Nov 26, 2025 | Nov 17, 2025 |
| SCHEDULE 13D/A | — | 0001193125-25-300922 | Nov 26, 2025 | — |
| 4 | 4 | 0001193125-25-288045 | Nov 19, 2025 | — |
| 8-K | 8-K | 0001193125-25-286241 | Nov 18, 2025 | — |
| 4 | 4 | 0001193125-25-286131 | Nov 18, 2025 | Nov 17, 2025 |
| 4 | 4 | 0001193125-25-285590 | Nov 18, 2025 | Nov 17, 2025 |
| SCHEDULE 13D/A | — | 0000921895-25-003128 | Nov 14, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-277803 | Nov 12, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-277722 | Nov 12, 2025 | — |
| 8-K | 8-K | 0001193125-25-272459 | Nov 7, 2025 | Nov 5, 2025 |
| 8-K | 8-K | 0001193125-25-240315 | Oct 15, 2025 | Oct 10, 2025 |
| 8-K | 8-K | 0000950170-25-107433 | Aug 12, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-107413 | Aug 12, 2025 | Jun 30, 2025 |
| SCHEDULE 13D/A | — | 0000807249-25-000106 | Aug 4, 2025 | — |
| 25-NSE | — | 0001143362-25-000246 | Aug 1, 2025 | — |
| 8-K | 8-K | 0000950170-25-096935 | Jul 18, 2025 | — |
| 8-K | 8-K | 0000950170-25-090898 | Jun 27, 2025 | Jun 25, 2025 |
| SD | SD | 0000950170-25-074984 | May 20, 2025 | — |
| 4 | 4 | 0000950170-25-073234 | May 16, 2025 | May 15, 2025 |
| 4 | 4 | 0000950170-25-073231 | May 16, 2025 | May 15, 2025 |
| 4 | 4 | 0000950170-25-073227 | May 16, 2025 | May 15, 2025 |
| 4 | 4 | 0000950170-25-073221 | May 16, 2025 | May 15, 2025 |
| 4 | 4 | 0000950170-25-072678 | May 15, 2025 | — |
| 4 | 4 | 0000950170-25-072671 | May 15, 2025 | — |
| 4 | 4 | 0000950170-25-072668 | May 15, 2025 | — |
| 4 | 4 | 0000950170-25-072663 | May 15, 2025 | — |
| 4 | 4 | 0000950170-25-072646 | May 15, 2025 | — |
| 4 | 4 | 0000950170-25-072643 | May 15, 2025 | — |
| 4 | 4 | 0000950170-25-072638 | May 15, 2025 | — |
| S-8 | S-8 | 0000950170-25-069438 | May 12, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-069330 | May 12, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0000950170-25-069275 | May 12, 2025 | — |
| 8-K | 8-K | 0000950170-25-068111 | May 9, 2025 | May 8, 2025 |
| 4 | 4 | 0000950170-25-064044 | May 6, 2025 | May 5, 2025 |