0001628280-18-002890.txt : 20180307 0001628280-18-002890.hdr.sgml : 20180307 20180307183726 ACCESSION NUMBER: 0001628280-18-002890 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180305 FILED AS OF DATE: 20180307 DATE AS OF CHANGE: 20180307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ELLSWORTH MELINDA C CENTRAL INDEX KEY: 0001194571 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 18674558 MAIL ADDRESS: STREET 1: 408 EAST SECOND STREET STREET 2: PO BOX 1109 CITY: MUSCATINE STATE: IA ZIP: 52761 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_152046582367322.xml FORM 4 X0306 4 2018-03-05 0 0000811596 KAISER ALUMINUM CORP KALU 0001194571 ELLSWORTH MELINDA C C/O KAISER ALUMINUM CORP. 27422 PORTOLA PARKWAY SUITE 200 FOOTHILL RANCH CA 92610 0 1 0 0 VP IR & Corp. Communications Common Stock, par value $0.01 per share 2018-03-05 4 A 0 803 0 A 3890 D Common Stock, par value $0.01 per share 2018-03-05 4 A 0 2036 0 A 5926 D Common Stock, par value $0.01 per share 2018-03-05 4 F 0 748 101.66 D 5178 D Common Stock, par value $0.01 per share 2018-03-05 4 F 0 347 101.66 D 4831 D Common Stock, par value $0.01 per share 5999 I By Ellsworth Revocable Living Trust Grant to the reporting person effective as of March 5, 2018 of restricted stock units under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. All restrictions will lapse on March 5, 2021 or earlier upon the occurrence of certain specified circumstances. Includes 2,888 shares acquired pursuant to grants of restricted stock units. Shares earned upon the vesting on March 5, 2018 of certain performance shares granted to the reporting person in 2015 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended. On March 5, 2018, the Registrant's compensation committee certified the performance shares payout multiplier based on the level of achievement by the Registrant of a certain pre-established performance goal for 2015 through 2017. Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2018 of the above-referenced performance shares. Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2018 of certain shares granted to the reporting person in 2015 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended. /s/ Cherrie I. Tsai, with power of attorney for Melinda C. Ellsworth 2018-03-07