<SEC-DOCUMENT>0000807249-25-000106-index.html : 20250804
<SEC-HEADER>0000807249-25-000106.hdr.sgml : 20250804
<ACCEPTANCE-DATETIME>20250804160611
ACCESSION NUMBER:		0000807249-25-000106
CONFORMED SUBMISSION TYPE:	SCHEDULE 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250804
DATE AS OF CHANGE:		20250804

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMPCO PITTSBURGH CORP
		CENTRAL INDEX KEY:			0000006176
		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
		ORGANIZATION NAME:           	06 Technology
		EIN:				251117717
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-08805
		FILM NUMBER:		251180253

	BUSINESS ADDRESS:	
		STREET 1:		726 BELL AVENUE
		STREET 2:		SUITE 301
		CITY:			CARNEGIE
		STATE:			PA
		ZIP:			15106
		BUSINESS PHONE:		412-456-4400

	MAIL ADDRESS:	
		STREET 1:		726 BELL AVENUE
		STREET 2:		SUITE 301
		CITY:			CARNEGIE
		STATE:			PA
		ZIP:			15106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCREW & BOLT CORP OF AMERICA
		DATE OF NAME CHANGE:	19710518

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GAMCO INVESTORS, INC. ET AL
		CENTRAL INDEX KEY:			0000807249
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		ORGANIZATION NAME:           	
		EIN:				133056041
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		191 MASON STREET
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		9149215000

	MAIL ADDRESS:	
		STREET 1:		191 MASON STREET
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GABELLI ASSET MANAGEMENT INC ET AL
		DATE OF NAME CHANGE:	20020828

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GABELLI FUNDS INC ET AL
		DATE OF NAME CHANGE:	19940714
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>