0000949157-23-000076.txt : 20231222 0000949157-23-000076.hdr.sgml : 20231222 20231222195542 ACCESSION NUMBER: 0000949157-23-000076 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231220 FILED AS OF DATE: 20231222 DATE AS OF CHANGE: 20231222 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hoffman Robert F CENTRAL INDEX KEY: 0001603836 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34474 FILM NUMBER: 231511153 MAIL ADDRESS: STREET 1: 1 S. WACKER DRIVE STREET 2: 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_1703292932.xml FORM 4 X0508 4 2023-12-20 0 0000949157 CENTURY ALUMINUM CO CENX 0001603836 Hoffman Robert F C/O CENTURY ALUMINUM COMPANY 1 S. WACKER DRIVE, SUITE 1000 CHICAGO IL 60606 0 1 0 0 VP, IT and CAO 0 Common Stock 2023-12-20 4 S 0 3000 12 D 47553 D Common Stock 2023-12-21 4 S 0 9000 12.08 D 38553 D Common Stock 14.5476 I By 401(k) plan The price reported above reflects the weighted average sale price for the shares, which were sold in multiple transactions at prices ranging $11.97 to $12.10, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected. The price reported above reflects the weighted average sale price for the shares, which were sold in multiple transactions at prices ranging $11.95 to $12.25, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected. Includes unvested RSUs granted to the Reporting Person pursuant to the Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d). The information in this report is based on a 401(k) plan statement dated as of December 21, 2023. /s/ Paul Sharobeem, attorney-in-fact for Robert F. Hoffman 2023-12-22