0000950170-24-042290.txt : 20240405 0000950170-24-042290.hdr.sgml : 20240405 20240405163005 ACCESSION NUMBER: 0000950170-24-042290 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240403 FILED AS OF DATE: 20240405 DATE AS OF CHANGE: 20240405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Tiffany Blain CENTRAL INDEX KEY: 0001323719 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 24826900 MAIL ADDRESS: STREET 1: 3400 N. WOLF ROAD CITY: FRANKLIN PARK STATE: IL ZIP: 60131 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 2024-04-03 0000811596 KAISER ALUMINUM CORP KALU 0001323719 Tiffany Blain 1550 WEST MCEWEN DRIVE SUITE 500 FRANKLIN TN 37067 false true false false EVP - Sales & Marketing false Common Stock, par value $0.01 per share 2024-04-03 4 F false 1344 92.25 D 38593 D Shares withheld to satisfy the withholding tax obligations resulting from the vesting on April 3, 2024 of certain restricted stock units granted to the reporting person in 2019 under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. Includes 29,937 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Blain Tiffany 2024-04-05