InsiderTrades

Form 4 for CENX CENTURY ALUMINUM CO

Accepted 2025-06-18 00:00:00 ET · period of report 2025-06-16 · accession 0000949157-25-000043 · 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
2025-06-18 2025-06-16 CENX Michelmore Andrew G Dir A - Grant $0.00 +7,778 91.4K +9% $0
2025-06-18 2025-06-16 CENX Michelmore Andrew G Dir F - Tax $17.36 -2,333 89.1K -3% -$40.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-16 A A 7,778 $0.00 91,422 D — — (F1) Represents annual grant of restricted stock units ("RSUs"), all of which vested on the date of grant.
2 Common Common Stock 2025-06-16 F D 2,333 $17.36 89,089 D — — (F2) Represents shares withheld by the Issuer upon vesting of the RSUs to satisfy tax obligations.