Agust F. Hafberg - Sep 26, 2025 Form 4 Insider Report for CENTURY ALUMINUM CO (CENX)

Role
SVP & Chief Commercial Officer
Signature
/s/ Paul Sharobeem, attorney-in-fact for Agust F. Hafberg
Stock symbol
CENX
Transactions as of
Sep 26, 2025
Transactions value $
-$264,950
Form type
4
Date filed
9/30/2025, 04:26 PM
Previous filing
Jan 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hafberg Agust F SVP & Chief Commercial Officer C/O CENTURY ALUMINUM COMPANY, 1 S. WACKER DRIVE, SUITE 1000, CHICAGO /s/ Paul Sharobeem, attorney-in-fact for Agust F. Hafberg 2025-09-30 0002049924

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CENX Common Stock Sale -$265K -9.49K -14.66% $27.91 55.3K Sep 26, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes unvested RSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.