0001209191-23-035900.txt : 20230609 0001209191-23-035900.hdr.sgml : 20230609 20230609163609 ACCESSION NUMBER: 0001209191-23-035900 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230607 FILED AS OF DATE: 20230609 DATE AS OF CHANGE: 20230609 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: OSBORNE ALFRED E JR CENTRAL INDEX KEY: 0001213324 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 231005911 MAIL ADDRESS: STREET 1: C/O UCLA ANDERSON SCHOOL OF MANAGEMENT STREET 2: 110 WESTWOOD PLAZA, F405 CITY: LOS ANGELES STATE: CA ZIP: 90095 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 doc4.xml FORM 4 SUBMISSION X0407 4 2023-06-07 0 0000811596 KAISER ALUMINUM CORP KALU 0001213324 OSBORNE ALFRED E JR 1550 WEST MCEWEN DRIVE SUITE 500 FRANKLIN TN 37067 1 0 0 0 0 Common Stock, par value $0.01 per share 2023-06-07 4 A 0 2060 0.00 A 23411.587 D Common Stock, par value $0.01 per share 2023-06-07 4 A 0 1545 63.08 A 24956.587 D Common Stock, par value $0.01 per share 3500 I By Keogh Plan Common Stock, par value $0.01 per share 500 I By the Rahnasto/Osborne Revocable Trust U/A DTD 11/07/1999 Grant to the reporting person of restricted stock under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan. All restrictions will lapse on June 7, 2024. Stock received by the reporting person under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan at such person's election in lieu of all or a portion of the reporting person's annual cash retainer for serving as a member of the Board of Directors of Kaiser Aluminum Corporation, lead independent director and chair or a member of one or more committees of the Board of Directors. Equal to the average closing price of the Issuer's common stock as reported by the Nasdaq Stock Market, LLC for the twenty trading days prior to June 7, 2023. /s/ Cherrie I. Tsai, with power of attorney for Alfred E. Osborne, Jr. 2023-06-09