CENTURY ALUMINUM CO - CENX
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 41
Latest filed: Mar 27, 2026
| Form | Count |
|---|---|
| 4 | 21 |
| 144 | 10 |
| 8-K | 5 |
| SCHEDULE 13G/A | 2 |
| SCHEDULE 13D/A | 2 |
| 8-K/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Mar 27, 2026 | 4 | Mar 25, 2026 | 0001628280-26-021790 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000910 | View |
| Mar 25, 2026 | 144 | — | 0001957799-26-000043 | View |
| Mar 17, 2026 | 4 | Mar 16, 2026 | 0001628280-26-018929 | View |
| Mar 13, 2026 | 4 | Mar 11, 2026 | 0001628280-26-017769 | View |
| Mar 13, 2026 | 4 | Mar 12, 2026 | 0001628280-26-017779 | View |
| Mar 12, 2026 | 144 | — | 0001949846-26-000172 | View |
| Mar 06, 2026 | 4 | Mar 04, 2026 | 0001628280-26-015724 | View |
| Mar 04, 2026 | SCHEDULE 13D/A | — | 0001104659-26-023524 | View |
| Mar 04, 2026 | 144 | — | 0001104659-26-023513 | View |
| Mar 04, 2026 | 4 | Mar 04, 2026 | 0001104659-26-023527 | View |
| Mar 04, 2026 | 4 | Mar 02, 2026 | 0001628280-26-014882 | View |
| Mar 03, 2026 | 8-K | Mar 02, 2026 | 0001628280-26-013781 | View |
| Mar 03, 2026 | 4 | Feb 27, 2026 | 0001628280-26-013986 | View |
| Mar 02, 2026 | 144 | — | 0001949846-26-000127 | View |
| Feb 27, 2026 | 144 | — | 0001949846-26-000121 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001628280-26-012919 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001628280-26-011855 | View |
| Feb 25, 2026 | 144 | — | 0001949846-26-000105 | View |
| Feb 25, 2026 | 144 | — | 0001949846-26-000107 | View |
| Feb 23, 2026 | 144 | — | 0001949846-26-000094 | View |
| Feb 19, 2026 | 8-K | Feb 19, 2026 | 0001628280-26-009831 | View |
| Feb 11, 2026 | 4 | Feb 09, 2026 | 0001628280-26-007374 | View |
| Feb 02, 2026 | 8-K | Feb 02, 2026 | 0001104659-26-009212 | View |
| Jan 30, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000109 | View |
| Jan 23, 2026 | 144 | — | 0001968582-26-000060 | View |
| Jan 23, 2026 | 4 | Jan 12, 2026 | 0001628280-26-003351 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000499 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000513 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000528 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000548 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000566 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000570 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000589 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0001628280-26-000594 | View |
| Nov 21, 2025 | 8-K/A | Nov 06, 2025 | 0001628280-25-053603 | View |
| Nov 13, 2025 | 4 | Nov 10, 2025 | 0001104659-25-111519 | View |
| Nov 12, 2025 | SCHEDULE 13D/A | — | 0001104659-25-109946 | View |
| Nov 12, 2025 | 144 | — | 0001104659-25-109926 | View |
| Nov 06, 2025 | 8-K | Nov 06, 2025 | 0001628280-25-050179 | View |
| Oct 22, 2025 | 8-K | Oct 21, 2025 | 0001104659-25-101317 | View |