Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001628280-25-042475
Filing Date
2025-09-23
Accepted
2025-09-23 16:03:21
Documents
1
Period of Report
2025-09-19

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1758657799.html 4  
1 FORM 4 wk-form4_1758657799.xml 4 3285
  Complete submission text file 0001628280-25-042475.txt   4760
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 CENTURY ALUMINUM COMPANY 1 S. WACKER DRIVE, SUITE 1000 CHICAGO IL 60606
Business Address
Calloway Kenneth L (Reporting) CIK: 0002014963 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34474 | Film No.: 251333644