CENTURY ALUMINUM CO
For the period ended Sep 30, 2025. Filed Nov 6, 2025.
View on SEC.govAbout this filing
A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2025 · Filed Nov 6, 2025
CENX$36.62+9.4%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
See the whole filing, with its images and exhibitsContents
Item 6. Exhibits
| Exhibit Number | Description of Exhibit | Incorporated by Reference | Filed Herewith | |
| Form | File No. | Filing Date | ||
| 31.1 | Rule 13a-14(a)/15d-14(a) Certification of the Chief Executive Officer | X | ||
| 31.2 | Rule 13a-14(a)/15d-14(a) Certification of the Principal Financial Officer | X | ||
| 32.1 | Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Chief Executive Officer | X | ||
| 32.2 | Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Principal Financial Officer | X | ||
| 101.INS | XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document | |||
| 101.SCH | Inline XBRL Taxonomy Extension Schema | X | ||
| 101.CAL | Inline XBRL Taxonomy Extension Calculation Linkbase | X | ||
| 101.DEF | Inline XBRL Taxonomy Extension Definition Linkbase | X | ||
| 101.LAB | Inline XBRL Taxonomy Extension Label Linkbase | X | ||
| 101.PRE | Inline XBRL Taxonomy Extension Presentation Linkbase | X | ||
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | |||
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.