<SEC-DOCUMENT>0000949157-24-000040-index.html : 20240418 <SEC-HEADER>0000949157-24-000040.hdr.sgml : 20240418 <ACCEPTANCE-DATETIME>20240418162833 ACCESSION NUMBER: 0000949157-24-000040 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20240418 DATE AS OF CHANGE: 20240418 FILER: 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 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-34474 FILM NUMBER: 24854630 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 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>a2024noticeofproxy.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: a2024noticeofproxy.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>centuryaluminumcompany_nax.jpg <TEXT> Document 2 - file: centuryaluminumcompany_nax.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>centuryaluminumcompany_naxa.jpg <TEXT> Document 3 - file: centuryaluminumcompany_naxa.jpg
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