0001628280-22-000813.txt : 20220112 0001628280-22-000813.hdr.sgml : 20220112 20220112163509 ACCESSION NUMBER: 0001628280-22-000813 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220110 FILED AS OF DATE: 20220112 DATE AS OF CHANGE: 20220112 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: West Neal E CENTRAL INDEX KEY: 0001330319 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 22526966 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] 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 wf-form4_164202329082765.xml FORM 4 X0306 4 2022-01-10 0 0000811596 KAISER ALUMINUM CORP KALU 0001330319 West Neal E C/O KAISER ALUMINUM CORP. 27422 PORTOLA PARKWAY SUITE 200 FOOTHILL RANCH CA 92610 0 1 0 0 EVP & CFO Common Stock, par value $0.01 per share 2022-01-10 4 S 0 400 100.25 D 1419 I By West Family Trust Common Stock, par value $0.01 per share 19631 D Sales made pursuant to a 10b5-1 plan adopted by the reporting person on March 1, 2021 as part of the reporting person's financial planning to diversify his stockholdings. The plan contemplates the sale of a pre-determined amount of vested shares of common stock of the Registrant held by the reporting person in specified increments subject to designated floor prices. Shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Neal E. West 2022-01-12