0000950170-24-028026.txt : 20240307 0000950170-24-028026.hdr.sgml : 20240307 20240307163018 ACCESSION NUMBER: 0000950170-24-028026 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240305 FILED AS OF DATE: 20240307 DATE AS OF CHANGE: 20240307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Walsh Jason CENTRAL INDEX KEY: 0001608777 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 24730580 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] ORGANIZATION NAME: 04 Manufacturing 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 ownership.xml 4 X0508 4 2024-03-05 0000811596 KAISER ALUMINUM CORP KALU 0001608777 Walsh Jason 1550 WEST MCEWEN DRIVE SUITE 500 FRANKLIN TN 37067 false true false false EVP - Manufacturing false Common Stock, par value $0.01 per share 2024-03-05 4 A false 4633 0 A 45974 D Common Stock, par value $0.01 per share 2024-03-05 4 F false 407 71.76 D 45567 D Grant to the reporting person effective as of March 5, 2024 of restricted stock units under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan. All restrictions will lapse on March 5, 2027 or earlier upon the occurrence of certain specified circumstances. Includes 34,245 shares acquired pursuant to grants of restricted stock units. Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2024 of certain restricted stock units granted to the reporting person in 2021 under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. Includes 32,747 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Jason Walsh 2024-03-07