<SEC-DOCUMENT>0001209191-23-035878-index.html : 20230609 <SEC-HEADER>0001209191-23-035878.hdr.sgml : 20230609 <ACCEPTANCE-DATETIME>20230609163222 ACCESSION NUMBER: 0001209191-23-035878 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230607 FILED AS OF DATE: 20230609 DATE AS OF CHANGE: 20230609 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: arnold michael c CENTRAL INDEX KEY: 0001234013 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 231005836 MAIL ADDRESS: STREET 1: C/O RYERSON HOLDING CORPORATION STREET 2: 227 W. MONROE ST., 27TH FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 FORMER NAME: FORMER CONFORMED NAME: ARNOLD MICHAEL C DATE OF NAME CHANGE: 20030519 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: KAISER ALUMINUM CORP CENTRAL INDEX KEY: 0000811596 STANDARD INDUSTRIAL CLASSIFICATION: ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350] IRS NUMBER: 943030279 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 27422 PORTOLA PARKWAY, SUITE 200 CITY: FOOTHILL RANCH STATE: CA ZIP: 92610-2831 BUSINESS PHONE: 949-614-1740 MAIL ADDRESS: STREET 1: 27422 PORTOLA PARKWAY, SUITE 200 CITY: FOOTHILL RANCH STATE: CA ZIP: 92610-2831 FORMER COMPANY: FORMER CONFORMED NAME: KAISERTECH LTD DATE OF NAME CHANGE: 19901122 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>doc4.xml <DESCRIPTION>FORM 4 SUBMISSION <TEXT> Document 1 - file: doc4.html
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