0000950170-24-028032.txt : 20240307 0000950170-24-028032.hdr.sgml : 20240307 20240307163036 ACCESSION NUMBER: 0000950170-24-028032 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: West Neal E CENTRAL INDEX KEY: 0001330319 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 24730602 MAIL ADDRESS: STREET 1: 7565 IRVINE CENTER DRIVE CITY: IRVINE STATE: CA ZIP: 92618 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 0001330319 West Neal E 1550 WEST MCEWEN DRIVE SUITE 500 FRANKLIN TN 37067 false true false false EVP & CFO false Common Stock, par value $0.01 per share 2024-03-05 4 A false 7335 0 A 28508 D Common Stock, par value $0.01 per share 2024-03-05 4 F false 3268 71.76 D 25240 D Common Stock, par value $0.01 per share 3049 I By West Family Trust 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 28,508 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 15,263 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for John M. Donnan 2024-03-07