Company facts
- Industry
- Primary Production of Aluminum
- Headquarters
- Chicago, Illinois
- Most recent report
- 10-Q, filed Nov 5, 2026
- Incorporated
- Delaware
- Filings on record
- 1,002+ filings
- On EDGAR
- CIK 949157
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 73
News 8 of 194
Prospectuses and Registrations 8 of 16
- S-3ASR Automatic shelf registration Nov 6, 2026
- S-8 Registration statement for an employee plan Jun 16, 2025
- S-3/A Shelf registration statement, amended May 12, 2023
- S-3 Shelf registration statement Mar 17, 2023
- S-3ASR Automatic shelf registration May 20, 2022
- S-8 Registration statement for an employee plan Aug 9, 2019
- S-3/A Shelf registration statement, amended May 7, 2019
- S-3 Shelf registration statement Mar 1, 2019
Proxies 8 of 37
- DEFA14A Extra proxy material Apr 24, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 24, 2026
- DEFA14A Extra proxy material Jun 9, 2025
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- DEFA14A Extra proxy material May 28, 2024
- DEFA14A Extra proxy material Apr 18, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 18, 2024
Ownership 8 of 564
- SCHEDULE 13G/A Large holder reported a passive stake, amended Oct 5, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 7, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Jul 27, 2026
- 4 Insider reported a trade Jun 17, 2026
- 4 Insider reported a trade Jun 17, 2026
- 4 Insider reported a trade Jun 17, 2026
- 4 Insider reported a trade Jun 17, 2026
- 4 Insider reported a trade Jun 17, 2026
Other 8 of 118
- SD Conflict minerals disclosure Sep 23, 2026
- UPLOAD Comment letter from SEC staff Mar 12, 2026
- IRANNOTICE Notice of Iran-related activity Mar 3, 2026
- NT 10-K Notice that an annual report will be late Mar 3, 2026
- CORRESP Reply to SEC staff Mar 2, 2026
- UPLOAD Comment letter from SEC staff Mar 2, 2026
- CORRESP Reply to SEC staff Feb 17, 2026
- UPLOAD Comment letter from SEC staff Jan 14, 2026
Everything here comes from Century Aluminum Co's own filings on SEC EDGAR. The filing list is rechecked every hour.