0001628280-21-010788.txt : 20210520 0001628280-21-010788.hdr.sgml : 20210520 20210520164159 ACCESSION NUMBER: 0001628280-21-010788 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210518 FILED AS OF DATE: 20210520 DATE AS OF CHANGE: 20210520 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: 21945041 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_162154329848054.xml FORM 4 X0306 4 2021-05-18 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 2021-05-18 4 S 0 1343 130.48 D 7333 I By Family Trust Common Stock, par value $0.01 per share 6252 D Represents the sale of 1,343 shares in multiple transactions, ranging from $130.37 to $131.05 per share, resulting in a weighted average sale price of $130.48 per share. The reporting person undertakes to provide upon request by the SEC staff, the Registrant, or a security holder of the Registrant, full information regarding the number of shares sold at each separate price within the range. Includes 4,825 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Raymond Parkinson 2021-05-20