CENTURY ALUMINUM CO — DEFA14A Filings
18 DEFA14A filings on record
This page lists all DEFA14A 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 18 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001104659-25-057845 | Jun 9, 2025 | — |
| DEFA14A | — | 0001552781-25-000154 | Apr 25, 2025 | — |
| DEFA14A | DEFA14A | 0001104659-24-065362 | May 28, 2024 | — |
| DEFA14A | DEFA14A | 0000949157-24-000040 | Apr 18, 2024 | — |
| DEFA14A | DEFA14A | 0000949157-23-000030 | Apr 18, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-130531 | Apr 29, 2022 | — |
| DEFA14A | DEFA14A - ADDITIONAL PROXY SOLICITATION MATERIALS | 0000949157-21-000086 | May 17, 2021 | — |
| DEFA14A | DEFA14A - NOTICE OF PROXY | 0000949157-21-000074 | Apr 22, 2021 | — |
| DEFA14A | DEFA14A | 0000949157-20-000067 | May 22, 2020 | — |
| DEFA14A | DEFA14A | 0000949157-20-000053 | Apr 22, 2020 | — |
| DEFA14A | DEFA14A - NOTICE OF PROXY | 0000949157-19-000049 | Apr 22, 2019 | — |
| DEFA14A | DEFA14A - NOTICE OF PROXY | 0000949157-18-000042 | Apr 27, 2018 | — |
| DEFA14A | DEFA14A - NOTICE OF PROXY | 0000949157-17-000038 | Apr 24, 2017 | — |
| DEFA14A | DEFA14A - NOTICE OF PROXY | 0000949157-16-000193 | Apr 29, 2016 | — |
| DEFA14A | DEFA14A SUPPLEMENTAL MATERIALS FOR 2015 PROXY STATEMENT | 0000949157-15-000091 | Aug 24, 2015 | — |
| DEFA14A | DEFA14A ADDITIONAL MATERIAL FOR 2015 PROXY STATEMENT | 0000949157-15-000089 | Aug 12, 2015 | — |
| DEFA14A | DEFA14A 2015 NOTICE OF PROXY | 0000949157-15-000074 | Jul 13, 2015 | — |
| DEFA14A | DEFA14A | 0000949157-14-000037 | Jul 18, 2014 | — |