InsiderTrades

Form 4 for CENX CENTURY ALUMINUM CO

Accepted 2026-01-05 00:00:00 ET · period of report 2025-12-31 · accession 0001628280-26-000566 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-01-05 2025-12-31 CENX Trpkovski Peter A EVP, CFO, Treas F - Tax $39.18 -12.1K 75.7K -14% -$475.4K
M 2026-01-05 2025-12-31+ CENX Trpkovski Peter A EVP, CFO, Treas A - Grant $0.00 +31.7K 85.1K +60% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-31 F D 4,045 $39.18 71,616 D — — (F3) Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of RSUs previously granted to the Reporting Person on January 1, 2023.
2 Common Common Stock 2025-12-31 A A 18,260 $0.00 83,751 D — — (F1) Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d).
3 Common Common Stock 2025-12-31 F D 8,090 $39.18 75,661 D — — (F2) Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.
4 Common Common Stock 2026-01-01 A A 13,488 $0.00 85,104 D — — (F4) Represents RSUs granted to the Reporting Person in connection with the Issuer's 2026-2028 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2028, subject to the Plan's terms and conditions. (F5) Includes unvested RSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.