Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001628280-26-012919
Filing Date
2026-02-27
Accepted
2026-02-27 17:07:39
Documents
1
Period of Report
2026-02-25

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1772230056.html 4  
1 FORM 4 wk-form4_1772230056.xml 4 3289
  Complete submission text file 0001628280-26-012919.txt   4737
Mailing Address 1 SOUTH WACKER DRIVE SUITE 1000 CHICAGO IL 60606
Business Address 1 SOUTH WACKER DRIVE SUITE 1000 CHICAGO IL 60606 3126963101
CENTURY ALUMINUM CO (Issuer) CIK: 0000949157 (see all company filings)

EIN.: 133070826 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3334 Primary Production of Aluminum
(CF Office: 04 Manufacturing)

Mailing Address 1 S. WACKER DRIVE SUITE 1000 CHICAGO IL 60606
Business Address
Gudlaugsson Gunnar (Reporting) CIK: 0001846594 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34474 | Film No.: 26701597