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CENTURY ALUMINUM CO

Primary Production of Aluminum · DE · CIK 949157

CENTURY ALUMINUM CO produces aluminum, with significant costs tied to electrical power supply agreements

⚡ Elevated coverage
$6.06B
Market cap
$46.55
Last close
+0.5%
1D
-6.0%
5D
2.2M
Volume
Price · last 39 sessions-22.1%
May 4L $44.50 · H $68.77Jun 29
319
Total filings
Jun 17, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteJun 17, 202610-Q10-QMay 7, 20268-KResults of OperationsMay 7, 2026DEFA14ADEFA14AApr 24, 2026DEF 14ADEF 14AApr 24, 2026SC 13D/ASC 13D/AMar 4, 202610-K10-KMar 3, 20268-KRestatementMar 3, 20268-KResults of OperationsFeb 19, 20268-KMaterial Agreement · Acquisition / DispositionFeb 2, 20268-K/AResults of OperationsNov 21, 202510-Q10-QNov 6, 20258-KAcquisition / DispositionNov 6, 20258-KReg FD DisclosureOct 22, 202510-Q10-QAug 7, 20258-KResults of OperationsAug 7, 20258-KMaterial Agreement · Agreement TerminatedJul 24, 20258-KReg FD DisclosureJul 17, 20258-KShareholder VoteJun 20, 2025DEFA14ADEFA14AJun 9, 202510-Q10-QMay 8, 20258-KResults of OperationsMay 7, 2025DEFA14ADEFA14AApr 25, 2025DEF 14ADEF 14AApr 25, 20258-KExecutive Change · Reg FD DisclosureMar 21, 202510-K10-KMar 3, 20258-KResults of OperationsFeb 20, 20258-KExecutive ChangeDec 11, 202410-Q10-QNov 4, 20248-KExecutive Change · Results of OperationsNov 4, 202410-Q10-QAug 8, 20248-KResults of OperationsAug 8, 20248-KShareholder VoteJun 7, 2024DEFA14ADEFA14AMay 28, 202410-Q10-QMay 1, 20248-KResults of OperationsMay 1, 2024DEFA14ADEFA14AApr 18, 2024DEF 14ADEF 14AApr 18, 20248-KReg FD DisclosureMar 25, 202410-K10-KMar 15, 20248-KResults of OperationsFeb 21, 20248-KReg FD DisclosureDec 19, 202310-Q10-QNov 8, 20238-KResults of OperationsNov 8, 202310-Q10-QAug 9, 20238-KResults of OperationsAug 9, 20238-KExecutive Change · Shareholder VoteJun 9, 202310-Q10-QMay 9, 20238-KResults of OperationsMay 8, 20238-KMaterial AgreementMay 5, 2023DEFA14ADEFA14AApr 18, 2023DEF 14ADEF 14AApr 18, 202310-K10-KFeb 27, 20238-KResults of OperationsFeb 23, 20238-KMaterial Agreement · New Debt / ObligationDec 12, 202210-Q10-QNov 7, 20228-KCompany UpdateNov 7, 202210-Q10-QAug 9, 20228-KCompany UpdateAug 9, 20228-KExecutive Change · Reg FD DisclosureAug 1, 2022SC 13GSC 13GJul 8, 20228-KReg FD DisclosureJun 22, 20228-KMaterial Agreement · New Debt / ObligationJun 16, 202210-Q10-QMay 2, 2022DEFA14ADEFA14AApr 29, 2022DEF 14ADEF 14AApr 29, 20228-KCompany UpdateApr 28, 202210-K10-KFeb 25, 20228-KResults of OperationsFeb 24, 20228-KMaterial Agreement · New Debt / ObligationFeb 9, 20228-KExecutive Change · Reg FD DisclosureFeb 4, 20228-KMaterial Agreement · New Debt / ObligationDec 27, 20218-KExecutive Change · Reg FD DisclosureDec 8, 202110-Q10-QNov 5, 20218-KMaterial Agreement · New Debt / ObligationNov 3, 20218-KResults of OperationsNov 3, 202110-Q10-Q Q2 2021Aug 5, 20218-KResults of OperationsAug 4, 20218-KShareholder VoteJun 17, 20218-KExecutive ChangeMay 28, 2021

Insider Activity

In the 90 days to Mar 25, 2026: 9 sold $353.1M.

DateInsiderActionSharesPriceValue
Mar 25, 2026Trpkovski Peter AEVP, CFOSell16,739$50.51$845K
Mar 16, 2026Gary Jesse EPresident and CEOSell150,000$55.47$8.3M
Mar 12, 2026Calloway Kenneth LSVP, Human ResourcesSell18,000$58.00$1.0M
Mar 11, 2026Hoffman Robert FSVP, IT and CAOSell10,529$56.51$595K
Mar 4, 2026Glencore AgTenPercentOwnerSell6,315,245$51.75$326.8M
Mar 4, 2026Hoffman Robert FSVP, IT and CAOSell10,000$56.33$563K
Mar 3, 2026Aboud MattSVP, Strategy & Business Dev'tSell2,971$52.67$156K
Mar 2, 2026Aboud MattSVP, Strategy & Business Dev'tSell12,126$52.50$637K
Feb 27, 2026Hafberg Agust FSVP & Chief Commercial OfficerSell22,884$51.24$1.2M
Feb 25, 2026Gudlaugsson GunnarEVP - Global OperationsSell43,000$54.10$2.3M
Feb 23, 2026Dezee JohnEVP, GC and SecretarySell66,000$50.72$3.3M
Jan 23, 2026Gary Jesse EPresident and CEOSell150,000$48.19$7.2M
Nov 10, 2025Glencore International AgTenPercentOwnerSell9,000,000$30.25$272.3M

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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