Gunnar Gudlaugsson - Dec 31, 2024 Form 4 Insider Report for CENTURY ALUMINUM CO (CENX)

Role
EVP - Global Operations
Signature
/s/ Paul Sharobeem, as attorney in fact for Gunnar Gudlaugsson
Stock symbol
CENX
Transactions as of
Dec 31, 2024
Transactions value $
-$435,622
Form type
4
Date filed
1/3/2025, 05:35 PM
Previous filing
Dec 9, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CENX Common Stock Award $0 +35.2K +32.61% $0.00 143K Dec 31, 2024 Direct F1
transaction CENX Common Stock Tax liability -$324K -17.8K -12.44% $18.22 125K Dec 31, 2024 Direct F2
transaction CENX Common Stock Tax liability -$111K -6.11K -4.87% $18.22 119K Dec 31, 2024 Direct F3
transaction CENX Common Stock Award $0 +24.6K +20.62% $0.00 144K Jan 1, 2025 Direct F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2022-2024 Long-Term Incentive Plan under Rule 16b-3(d).
F2 Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.
F3 Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 1, 2022.
F4 Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2025-2027 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2027, subject to the Plan's terms and conditions.
F5 Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.