CENTURY ALUMINUM CO — SCHEDULE 13D/A Filings
2 SCHEDULE 13D/A filings on record
This page lists all SCHEDULE 13D/A 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 2 SCHEDULE 13D/A 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 |
|---|---|---|---|---|
| SCHEDULE 13D/A | — | 0001104659-26-023524 | Mar 4, 2026 | — |
| SCHEDULE 13D/A | — | 0001104659-25-109946 | Nov 12, 2025 | — |