<SEC-DOCUMENT>0000764065-23-000136-index.html : 20230814 <SEC-HEADER>0000764065-23-000136.hdr.sgml : 20230814 <ACCEPTANCE-DATETIME>20230814171253 ACCESSION NUMBER: 0000764065-23-000136 CONFORMED SUBMISSION TYPE: 425 PUBLIC DOCUMENT COUNT: 37 FILED AS OF DATE: 20230814 DATE AS OF CHANGE: 20230814 GROUP MEMBERS: U.S. STEEL CORP SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: UNITED STATES STEEL CORP CENTRAL INDEX KEY: 0001163302 STANDARD INDUSTRIAL CLASSIFICATION: STEEL WORKS, BLAST FURNACES ROLLING MILLS (COKE OVENS) [3312] IRS NUMBER: 251897152 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 425 SEC ACT: 1934 Act SEC FILE NUMBER: 001-16811 FILM NUMBER: 231171944 BUSINESS ADDRESS: STREET 1: 600 GRANT ST STREET 2: ROOM 1500 CITY: PITTSBURGH STATE: PA ZIP: 15219-2800 BUSINESS PHONE: 415 433 2967 MAIL ADDRESS: STREET 1: 600 GRANT STREET CITY: PITTSBURGH STATE: X1 ZIP: 15219-2800 FORMER COMPANY: FORMER CONFORMED NAME: UNITED STATES STEEL LLC DATE OF NAME CHANGE: 20011205 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: CLEVELAND-CLIFFS INC. CENTRAL INDEX KEY: 0000764065 STANDARD INDUSTRIAL CLASSIFICATION: METAL MINING [1000] IRS NUMBER: 341464672 STATE OF INCORPORATION: OH FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 425 BUSINESS ADDRESS: STREET 1: 200 PUBLIC SQUARE STREET 2: STE. 3300 CITY: CLEVELAND STATE: OH ZIP: 44114-2315 BUSINESS PHONE: 216-694-5700 MAIL ADDRESS: STREET 1: 200 PUBLIC SQUARE STREET 2: STE. 3300 CITY: CLEVELAND STATE: OH ZIP: 44114-2315 FORMER COMPANY: FORMER CONFORMED NAME: CLIFFS NATURAL RESOURCES INC. DATE OF NAME CHANGE: 20081015 FORMER COMPANY: FORMER CONFORMED NAME: CLEVELAND CLIFFS INC DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>425 <SEQUENCE>1 <FILENAME>a20230813-8xkxproposedusst.htm <DESCRIPTION>425 <TEXT> Document 1 - file: a20230813-8xkxproposedusst.htm
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