# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001628280-25-050200
Filing Date
2025-11-06
Accepted
2025-11-06 16:21:09
Documents
82
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | cenx-20250930.htm iXBRL | 10-Q | 1411644
2 | EX-31.1 | a20250930q3ex311.htm | EX-31.1 | 11256
3 | EX-31.2 | a20250930q3ex312.htm | EX-31.2 | 11140
4 | EX-32.1 | a20250930q3ex321.htm | EX-32.1 | 5873
5 | EX-32.2 | a20250930q3ex322.htm | EX-32.2 | 5896
11 |  | cenx-20250930_g1.jpg | GRAPHIC | 7822
| Complete submission text file | 0001628280-25-050200.txt |  | 8748694

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | cenx-20250930.xsd | EX-101.SCH | 53794
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | cenx-20250930_cal.xml | EX-101.CAL | 88119
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | cenx-20250930_def.xml | EX-101.DEF | 377351
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | cenx-20250930_lab.xml | EX-101.LAB | 702481
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | cenx-20250930_pre.xml | EX-101.PRE | 531606
85 | EXTRACTED XBRL INSTANCE DOCUMENT | cenx-20250930_htm.xml | XML | 1300688

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-Q | Act: 34 | File No.: 001-34474 | Film No.: 251458653
SIC: 3334 Primary Production of Aluminum
(CF Office: 04 Manufacturing)