CENTURY ALUMINUM CO — 4 Filings
656 4 filings on record
This page lists all 4 filings submitted to the SEC by CENTURY ALUMINUM CO (CENX), sorted by most recent first. Each row links to the full filing on EdgarLookup. CENTURY ALUMINUM CO has filed 656 4 documents with the SEC since 2009. To view all SEC filings by CENTURY ALUMINUM CO, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
11-K
144
15-15D
3
3/A
4
4/A
424B3
424B5
5
8-A12B
8-K
8-K/A
ARS
AW
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
EFFECT
FWP
IRANNOTICE
NT 10-K
POS AM
POSASR
PRE 14A
RW
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G/A
SD
T-3
T-3/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | FORM 4 | 0001628280-26-021790 | Mar 27, 2026 | Mar 25, 2026 |
| 4 | FORM 4 | 0001628280-26-018929 | Mar 17, 2026 | Mar 16, 2026 |
| 4 | FORM 4 | 0001628280-26-017769 | Mar 13, 2026 | Mar 11, 2026 |
| 4 | FORM 4 | 0001628280-26-017779 | Mar 13, 2026 | Mar 12, 2026 |
| 4 | FORM 4 | 0001628280-26-015724 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-023527 | Mar 4, 2026 | — |
| 4 | FORM 4 | 0001628280-26-014882 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001628280-26-013986 | Mar 3, 2026 | Feb 27, 2026 |
| 4 | FORM 4 | 0001628280-26-012919 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | FORM 4 | 0001628280-26-011855 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | FORM 4 | 0001628280-26-007374 | Feb 11, 2026 | Feb 9, 2026 |
| 4 | FORM 4 | 0001628280-26-003351 | Jan 23, 2026 | Jan 12, 2026 |
| 4 | FORM 4 | 0001628280-26-000570 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000589 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000594 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000499 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000513 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000528 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000548 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-000566 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-111519 | Nov 13, 2025 | Nov 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-095789 | Oct 2, 2025 | Sep 30, 2025 |
| 4 | FORM 4 | 0001628280-25-043249 | Sep 30, 2025 | Sep 26, 2025 |
| 4 | FORM 4 | 0001628280-25-042475 | Sep 23, 2025 | Sep 19, 2025 |
| 4 | FORM 4 | 0001863408-25-000004 | Aug 14, 2025 | Aug 12, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-065039 | Jul 2, 2025 | Jun 30, 2025 |
| 4 | FORM 4 | 0000949157-25-000041 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | FORM 4 | 0000949157-25-000043 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | FORM 4 | 0000949157-25-000045 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | FORM 4 | 0000949157-25-000039 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | FORM 4 | 0000949157-25-000047 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-030252 | Apr 1, 2025 | Mar 31, 2025 |
| 4 | FORM 4 | 0000949157-25-000032 | Mar 25, 2025 | Mar 21, 2025 |
| 4 | FORM 4 | 0000949157-25-000030 | Mar 24, 2025 | Mar 20, 2025 |
| 4 | FORM 4 | 0000949157-25-000028 | Mar 18, 2025 | Mar 14, 2025 |
| 4 | FORM 4 | 0000949157-25-000022 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | FORM 4 | 0000949157-25-000020 | Jan 29, 2025 | Jan 28, 2025 |
| 4 | FORM 4 | 0000949157-25-000018 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000002 | Jan 3, 2025 | Jan 1, 2025 |
| 4 | FORM 4 | 0000949157-25-000004 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000006 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000008 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000010 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000012 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000014 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-000640 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-25-000016 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | FORM 4 | 0000949157-24-000100 | Dec 30, 2024 | Dec 26, 2024 |
| 4 | FORM 4 | 0000949157-24-000096 | Dec 9, 2024 | Dec 5, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105269 | Oct 2, 2024 | Sep 30, 2024 |