UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM SD
SPECIALIZED DISCLOSURE REPORT
Century Aluminum Company
(Exact name of the registrant as specified in its charter)
Delaware | 001-34474 | 13-3070826 | ||||||
(State or other jurisdiction of incorporation or organization) | (Commission File Number) | (IRS Employer Identification No.) | ||||||
| One South Wacker Drive | 60606 | |||||||
| Suite 1000 | (Zip Code) | |||||||
| Chicago, Illinois | ||||||||
| (Address of principal executive offices) | ||||||||
Peter Trpkovski
(312) 696-3112
(Name and telephone number, including area code,
of the person to contact in connection with this report.)
Check the appropriate box to indicate the rule pursuant to which this Form is being submitted, and provide the period to which the information in this Form applies:
☐ Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, __________.
☒☐ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2024.
Section 1. Conflict Minerals Disclosure
Item 1.01 - Conflict Minerals Disclosure and Report
Not applicable
Item 1.02 - Exhibit
Not applicable
Section 2. Resource Extraction Issuer Disclosure
Item 2.01 - Resource Extraction Issuer Disclosure and Report
Disclosure of Payments by Resource Extraction Issuers
The specified payment disclosure required by this Form is included as Exhibit 2.01 to this Specialized Disclosure Report on Form SD.
Section 3. Exhibits
Item 3.01 - Exhibits
The following exhibits are filed as part of this Form SD.
Exhibit No. | Description | |||||||
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.
| Century Aluminum Company | |||||||||||
| By: | /s/ PETER TRPKOVSKI | September 26, 2025 | |||||||||
| Name: Peter Trpkovski | (Date) | ||||||||||
| Title: Executive Vice President, Chief Financial Officer and Treasurer | |||||||||||