0001628280-22-000979.txt : 20220114 0001628280-22-000979.hdr.sgml : 20220114 20220114191329 ACCESSION NUMBER: 0001628280-22-000979 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220114 FILED AS OF DATE: 20220114 DATE AS OF CHANGE: 20220114 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HOCKEMA JACK A CENTRAL INDEX KEY: 0001227285 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 22533186 MAIL ADDRESS: STREET 1: C/O KAISER ALUMINUM CORP STREET 2: 27422 PORTOLA PARKWAY, SUITE 350 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_164220559232791.xml FORM 4 X0306 4 2022-01-14 0 0000811596 KAISER ALUMINUM CORP KALU 0001227285 HOCKEMA JACK A C/O KAISER ALUMINUM CORP. 27422 PORTOLA PARKWAY SUITE 200 FOOTHILL RANCH CA 92610 1 0 0 0 Common Stock, par value $0.01 per share 2022-01-14 4 S 0 1000 105.3631 D 17243 I By Hockema Family Trust Common Stock, par value $0.01 per share 18459 D Sales made pursuant to a 10b5-1 plan adopted by the reporting person in March 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. Represents the sale of 1,000 shares in multiple transactions, ranging from $105.1700 to $105.900 per share, resulting in a weighted average sale price of $105.3631 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. Shares acquired pursuant to grants of restricted stock units. /s/Cherrie I. Tsai, with power of attorney for Jack A. Hockema 2022-01-14