0000949157-24-000002.txt : 20240102 0000949157-24-000002.hdr.sgml : 20240102 20240102165551 ACCESSION NUMBER: 0000949157-24-000002 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231228 FILED AS OF DATE: 20240102 DATE AS OF CHANGE: 20240102 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: 24503253 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_1704232539.xml FORM 4 X0508 4 2023-12-28 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 2023-12-28 4 S 0 13908 12.32 D 41998 D Common Stock 2023-12-31 4 F 0 1009 12.14 D 40989 D Common Stock 2024-01-01 4 A 0 11841 0 A 52830 D Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on March 26, 2021. Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions. 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 2024-01-02