0000949157-24-000018.txt : 20240213 0000949157-24-000018.hdr.sgml : 20240213 20240213163428 ACCESSION NUMBER: 0000949157-24-000018 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240209 FILED AS OF DATE: 20240213 DATE AS OF CHANGE: 20240213 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Trpkovski Peter A CENTRAL INDEX KEY: 0001980271 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34474 FILM NUMBER: 24626674 MAIL ADDRESS: STREET 1: CENTURY ALUMINUM COMPANY STREET 2: 1 S. WACKER DRIVE, SUITE 1000 CITY: CHICAGO STATE: IL ZIP: 60606 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CENTURY ALUMINUM CO CENTRAL INDEX KEY: 0000949157 STANDARD INDUSTRIAL CLASSIFICATION: PRIMARY PRODUCTION OF ALUMINUM [3334] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 133070826 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1 SOUTH WACKER DRIVE STREET 2: SUITE 1000 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3126963101 MAIL ADDRESS: STREET 1: 1 SOUTH WACKER DRIVE STREET 2: SUITE 1000 CITY: CHICAGO STATE: IL ZIP: 60606 4 1 wk-form4_1707860030.xml FORM 4 X0508 4 2024-02-09 0 0000949157 CENTURY ALUMINUM CO CENX 0001980271 Trpkovski Peter A C/O CENTURY ALUMINUM COMPANY 1 S. WACKER DRIVE, SUITE 1000 CHICAGO IL 60606 0 1 0 0 SVP, Finance and Treasurer 0 Common Stock 2024-02-09 4 F 0 3211 10.42 D 49619 D Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on February 9, 2023. Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans. /s/ Paul Sharobeem, as attorney in fact for Peter A. Trpkovski 2024-02-13