CENTURY ALUMINUM CO
For the period ended Sep 30, 2026. Filed Nov 5, 2026.
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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, 2026 · Filed Nov 5, 2026
CENX$36.62+9.4%Stored close · as of Nov 9, 2026
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Item 6. Exhibits
| Exhibit Number | Description of Exhibit | Incorporated by Reference | Filed Herewith | |
| Form | File No. | Filing Date | ||
| 10.1 | Amendment to Facility Agreement dated November 4, 2026 among Century Aluminum Vlissingen B.V. as borrower and Glencore International AG as lender | X | ||
| 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) | |||
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