InsiderTrades

Form 4 for CENX CENTURY ALUMINUM CO

Accepted 2026-02-27 00:00:00 ET · period of report 2026-02-25 · accession 0001628280-26-012919 · 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
2026-02-27 2026-02-25 CENX Gudlaugsson Gunnar EVP - Gbl Ops S - Sale $54.10 -43.0K 136.4K -24% -$2.33M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-25 S D 43,000 $54.10 136,393 D — — (F1) Includes unvested RSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.