| UNITED STATES |
| SECURITIES AND EXCHANGE COMMISSION |
| Washington, D.C. 20549 |
| Notice of Effectiveness |
| Effectiveness Date: |
March 11,
2026 |
| Accession Number: |
0001193125-26-099514 |
| Submission Type: |
POS AM |
| CIK: |
0000006176 |
| Company Name: |
AMPCO PITTSBURGH CORP |
| File Number: |
333-239446 |
|
