0001551870-21-000001.txt : 20210316 0001551870-21-000001.hdr.sgml : 20210316 20210316182312 ACCESSION NUMBER: 0001551870-21-000001 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210311 FILED AS OF DATE: 20210316 DATE AS OF CHANGE: 20210316 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Parkinson Ray CENTRAL INDEX KEY: 0001551870 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 21747514 MAIL ADDRESS: STREET 1: 27422 PORTOLA PARKWAY, 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] 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_161593337640997.xml FORM 4 X0306 4 2021-03-11 0 0000811596 KAISER ALUMINUM CORP KALU 0001551870 Parkinson Ray C/O KAISER ALUMINUM CORP. 27422 PORTOLA PARKWAY SUITE 200 FOOTHILL RANCH CA 92610 0 1 0 0 SVP - Advanced Engineering Common Stock, par value $0.01 per share 2021-03-11 4 S 0 1500 124.72 D 8676 I By Family Trust Common Stock, par value $0.01 per share 6252 D Includes 4,825 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Raymond Parkinson 2021-03-16