CENTURY ALUMINUM CO

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

FY: Mar 3 2026

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Completion of Acquisition or Disposition of Assets

Regulation FD Disclosure

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Regulation FD Disclosure

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

2.02,9.01

5.07,9.01

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Automatic Shelf Registration

Withdrawal of a registration statement

Notice of Effectiveness

Registration statement under Securities Act of 1933

No description available

Registration statement under Securities Act of 1933 (amendment)

Automatic Shelf Registration

Post Effective Amendment to S-8

No description available

No description available

Post Effective Amendment to S-8

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

BlackRock, Inc.

STATE STREET CORP

BlackRock, Inc.

Olivier Tamla A

Berntzen Jarl

GLASSER ERROL

Michelmore Andrew G

Bush Jennifer Mary

Berntzen Jarl

BlackRock, Inc.

Trpkovski Peter A

VANGUARD GROUP INC

Trpkovski Peter A

Gary Jesse E

Calloway Kenneth L

Hoffman Robert F

Calloway Kenneth L

Hoffman Robert F

GLENCORE INTERNATIONAL AG

GLENCORE INTERNATIONAL AG; Glencore plc; Glencore AG

Specialized Disclosure Report

No description available

Specialized Disclosure Report

No description available

No description available

No description available

No description available

Specialized Disclosure Report

No description available

No description available

No description available

No description available

No description available

Correspondence with the SEC

Correspondence with the SEC

No description available

Letter from the SEC

No description available

Post-effective amendment to an automatic shelf registration statement

No description available