0001209191-23-033806.txt : 20230602 0001209191-23-033806.hdr.sgml : 20230602 20230602163514 ACCESSION NUMBER: 0001209191-23-033806 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230601 FILED AS OF DATE: 20230602 DATE AS OF CHANGE: 20230602 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Walsh Jason CENTRAL INDEX KEY: 0001608777 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 23989468 MAIL ADDRESS: STREET 1: 27422 PORTOLA PKWY., SUITE 200 CITY: FOOTHILL RANCH STATE: CA ZIP: 92610-2831 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 4 1 doc4.xml FORM 4 SUBMISSION X0407 4 2023-06-01 0 0000811596 KAISER ALUMINUM CORP KALU 0001608777 Walsh Jason 1550 WEST MCEWEN DRIVE SUITE 500 FRANKLIN TN 37067 0 1 0 0 EVP - Manufacturing 0 Common Stock, par value $0.01 per share 2023-06-01 4 F 0 1218 62.60 D 41341 D Shares withheld to satisfy the withholding tax obligations resulting from the vesting on June 1, 2023 of certain restricted stock units granted to the reporting person in 2018 under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. Includes 29,612 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Jason D. Walsh 2023-06-02