<SEC-DOCUMENT>0001193125-22-084854-index.html : 20220325 <SEC-HEADER>0001193125-22-084854.hdr.sgml : 20220325 <ACCEPTANCE-DATETIME>20220325120055 ACCESSION NUMBER: 0001193125-22-084854 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 11 FILED AS OF DATE: 20220325 DATE AS OF CHANGE: 20220325 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ALLEGHENY TECHNOLOGIES INC CENTRAL INDEX KEY: 0001018963 STANDARD INDUSTRIAL CLASSIFICATION: STEEL PIPE & TUBES [3317] IRS NUMBER: 251792394 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-12001 FILM NUMBER: 22769376 BUSINESS ADDRESS: STREET 1: 1000 SIX PPG PLACE CITY: PITTSBURGH STATE: PA ZIP: 15222 BUSINESS PHONE: 4123942800 MAIL ADDRESS: STREET 1: 100 SIX PPG PLACE CITY: PITTSBURGH STATE: PA ZIP: 15222 FORMER COMPANY: FORMER CONFORMED NAME: ALLEGHENY TELEDYNE INC DATE OF NAME CHANGE: 19960716 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>d448952ddefa14a.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: d448952ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g448952aa.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g448952aa.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g448952rr.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g448952rr.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g448952snap10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g448952snap10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g448952snap11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g448952snap11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g448952snap12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g448952snap12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g448952snap13.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g448952snap13.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g448952snap9.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g448952snap9.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g448952ss.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g448952ss.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g448952tt.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g448952tt.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g448952uu.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g448952uu.jpg
</DOCUMENT> </SEC-DOCUMENT>