<SEC-DOCUMENT>0000354204-21-000281-index.html : 20210212 <SEC-HEADER>0000354204-21-000281.hdr.sgml : 20210212 <ACCEPTANCE-DATETIME>20210212155504 ACCESSION NUMBER: 0000354204-21-000281 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210212 DATE AS OF CHANGE: 20210212 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: AMPCO PITTSBURGH CORP CENTRAL INDEX KEY: 0000006176 STANDARD INDUSTRIAL CLASSIFICATION: PUMPS & PUMPING EQUIPMENT [3561] IRS NUMBER: 251117717 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-08805 FILM NUMBER: 21626870 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: DIMENSIONAL FUND ADVISORS LP CENTRAL INDEX KEY: 0000354204 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 222370029 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 6300 BEE CAVE ROAD STREET 2: BUILDING ONE CITY: AUSTIN STATE: TX ZIP: 78746 BUSINESS PHONE: (512) 306-7400 MAIL ADDRESS: STREET 1: 6300 BEE CAVE ROAD STREET 2: BUILDING ONE CITY: AUSTIN STATE: TX ZIP: 78746 FORMER COMPANY: FORMER CONFORMED NAME: DIMENSIONAL FUND ADVISORS INC DATE OF NAME CHANGE: 19920929 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>SEC13G_Filing.htm <DESCRIPTION>SEC SCHEDULE 13G <TEXT> Document 1 - file: SEC13G_Filing.htm
</DOCUMENT> </SEC-DOCUMENT>