Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-26-013788
Filing Date
2026-03-03
Accepted
2026-03-03 16:07:32
Documents
156
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
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19 cenx-20251231_g5.jpg GRAPHIC 176163
  Complete submission text file 0001628280-26-013788.txt   23729174

Data Files

Seq Description Document Type Size
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159 EXTRACTED XBRL INSTANCE DOCUMENT cenx-20251231_htm.xml XML 4670787
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 (Filer) CIK: 0000949157 (see all company filings)

EIN.: 133070826 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-34474 | Film No.: 26714025
SIC: 3334 Primary Production of Aluminum
(CF Office: 04 Manufacturing)