0001959173-24-003600.txt : 20240515 0001959173-24-003600.hdr.sgml : 20240515 20240515180110 ACCESSION NUMBER: 0001959173-24-003600 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240515 DATE AS OF CHANGE: 20240515 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 24952965 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Parkinson Ray CENTRAL INDEX KEY: 0001551870 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 27422 PORTOLA PARKWAY, SUITE 200 CITY: FOOTHILL RANCH STATE: CA ZIP: 92610-2831 144 1 primary_doc.xml 144 0001551870 XXXXXXXX LIVE 0000811596 KAISER ALUMINUM CORP 001-09447 27422 PORTOLA PARKWAY, SUITE 200 FOOTHILL RANCH CA 92610-2831 949-614-1740 Parkinson Ray Officer Common Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

3254 325497.00 16068833 05/15/2024 NASDAQ Common 03/05/2022 Stock Award Issuer N 1358 03/05/2022 Compensation Common 03/05/2020 Stock Award Issuer N 1896 03/05/2020 Compensation Y 05/15/2024 /s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Parkinson Ray