Andrew Michelmore - Jun 16, 2025 Form 4 Insider Report for CENTURY ALUMINUM CO (CENX)

Role
Director
Signature
/s/ Paul Sharobeem, as attorney in fact for Andrew Michelmore
Stock symbol
CENX
Transactions as of
Jun 16, 2025
Transactions value $
-$40,501
Form type
4
Date filed
6/18/2025, 06:25 PM
Previous filing
Jun 5, 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Michelmore Andrew G Director C/O CENTURY ALUMINUM COMPANY, 1 S. WACKER DRIVE, SUITE 1000, CHICAGO /s/ Paul Sharobeem, as attorney in fact for Andrew Michelmore 2025-06-18 0001493775

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CENX Common Stock Award $0 +7.78K +9.3% $0.00 91.4K Jun 16, 2025 Direct F1
transaction CENX Common Stock Tax liability -$40.5K -2.33K -2.55% $17.36 89.1K Jun 16, 2025 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents annual grant of restricted stock units ("RSUs"), all of which vested on the date of grant.
F2 Represents shares withheld by the Issuer upon vesting of the RSUs to satisfy tax obligations.