Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001949846-25-000505
Filing Date
2025-09-25
Accepted
2025-09-25 12:20:11
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 2770
  Complete submission text file 0001949846-25-000505.txt   4228
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 (Subject) CIK: 0000949157 (see all company filings)

EIN.: 133070826 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 001-34474 | Film No.: 251341709
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
Hafberg Agust F (Reporting) CIK: 0002049924 (see all company filings)

Type: 144