Kenneth L. Calloway - Sep 19, 2025 Form 4 Insider Report for CENTURY ALUMINUM CO (CENX)

Role
SVP, Human Resources
Signature
/s/ Paul Sharobeem, attorney-in-fact for Kenneth L. Calloway
Stock symbol
CENX
Transactions as of
Sep 19, 2025
Transactions value $
-$452,375
Form type
4
Date filed
9/23/2025, 04:03 PM
Previous filing
Jan 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Calloway Kenneth L SVP, Human Resources C/O CENTURY ALUMINUM COMPANY, 1 S. WACKER DRIVE, SUITE 1000, CHICAGO /s/ Paul Sharobeem, attorney-in-fact for Kenneth L. Calloway 2025-09-23 0002014963

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CENX Common Stock Sale -$452K -16.5K -36.43% $27.50 28.7K Sep 19, 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.