Form SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000807249-25-000106
Filing Date
2025-08-04
Accepted
2025-08-04 16:06:11
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13D/A  
1 primary_doc.xml SCHEDULE 13D/A 25032
  Complete submission text file 0000807249-25-000106.txt   27023
Mailing Address 726 BELL AVENUE SUITE 301 CARNEGIE PA 15106
Business Address 726 BELL AVENUE SUITE 301 CARNEGIE PA 15106 412-456-4400
AMPCO PITTSBURGH CORP (Subject) CIK: 0000006176 (see all company filings)

EIN.: 251117717 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SCHEDULE 13D/A | Act: 34 | File No.: 005-08805 | Film No.: 251180253
SIC: 3561 Pumps & Pumping Equipment
(CF Office: 06 Technology)

Mailing Address 191 MASON STREET GREENWICH CT 06830
Business Address 191 MASON STREET GREENWICH CT 06830 9149215000
GAMCO INVESTORS, INC. ET AL (Filed by) CIK: 0000807249 (see all company filings)

EIN.: 133056041 | State of Incorp.: DE | Fiscal Year End: 1031
Type: SCHEDULE 13D/A
SIC: 0000