MetaCap

Century Aluminum Insider Trades

NASDAQ: CENXIndustrialsAluminumUSD

36.76+0.38 (+1.04%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
13 · $625.30M
Shares bought / sold
0 / 15.82M
Net activity
Net selling $625.3 million

Century Aluminum insider activity

Over the last 12 months, Century Aluminum insiders reported 55 transactions on SEC Form 4: 0 open-market purchases and 13 sales. Insiders bought $0 and sold $625.3 million worth of stock, for net insider selling of $625.3 million. The largest seller was GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc, with $599.1 million in reported sales.

The most recent filing shows Berntzen Jarl (Director) reporting a transaction in 2,172 shares on Jun 15, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put CENX's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

CENX insider transactions

Century Aluminum insider transactions
DateInsiderTypeSharesValueFiling
Jun 15, 2026Bush Jennifer MaryDirectorAward2,172—Form 4
Jun 15, 2026Olivier Tamla ADirectorAward2,172—Form 4
Jun 15, 2026Michelmore Andrew GDirectorTax withholding652$35.57KForm 4
Jun 15, 2026Michelmore Andrew GDirectorAward2,172—Form 4
Jun 15, 2026GLASSER ERROLDirectorAward2,172—Form 4
Jun 15, 2026Berntzen JarlDirectorAward2,172—Form 4
Mar 25, 2026Trpkovski Peter AEVP, CFOSale16,739$845.49KForm 4
Mar 16, 2026Gary Jesse EPresident and CEOSale150,000$8.32MForm 4
Mar 12, 2026Calloway Kenneth LSVP, Human ResourcesSale18,000$1.04MForm 4
Mar 11, 2026Hoffman Robert FSVP, IT and CAOSale10,529$594.99KForm 4
Mar 4, 2026GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc10% OwnerSale6,315,245$326.81MForm 4
Mar 4, 2026Hoffman Robert FSVP, IT and CAOSale10,000$563.30KForm 4
Mar 3, 2026Aboud MattSVP, Strategy & Business Dev'tSale2,971$156.48KForm 4
Mar 2, 2026Aboud MattSVP, Strategy & Business Dev'tSale12,126$636.62KForm 4
Feb 27, 2026Hafberg Agust FSVP & Chief Commercial OfficerSale22,884$1.17MForm 4
Feb 25, 2026Gudlaugsson GunnarEVP - Global OperationsSale43,000$2.33MForm 4
Feb 23, 2026DeZee JohnEVP, GC and SecretarySale66,000$3.35MForm 4
Feb 9, 2026Trpkovski Peter AEVP, CFOTax withholding4,240$230.49KForm 4
Jan 23, 2026Gary Jesse EPresident and CEOSale150,000$7.23MForm 4
Jan 12, 2026Gary Jesse EPresident and CEOGift314,611—Form 4
Jan 12, 2026Gary Jesse EPresident and CEOGift314,611—Form 4
Jan 1, 2026Calloway Kenneth LSVP, Human ResourcesAward5,238—Form 4
Jan 1, 2026Hoffman Robert FSVP, IT and CAOAward5,122—Form 4
Jan 1, 2026Trpkovski Peter AEVP, CFO and TreasurerAward13,488—Form 4
Jan 1, 2026Aboud MattSVP, Strategy & Business Dev'tAward5,529—Form 4
Jan 1, 2026Hafberg Agust FSVP & Chief Commercial OfficerAward5,238—Form 4
Jan 1, 2026DeZee JohnEVP, GC and SecretaryAward9,821—Form 4
Jan 1, 2026Gary Jesse EPresident and CEOAward57,443—Form 4
Jan 1, 2026Gudlaugsson GunnarEVP - Global OperationsAward15,624—Form 4
Dec 31, 2025Calloway Kenneth LSVP, Human ResourcesTax withholding3,723$145.87KForm 4
Dec 31, 2025Calloway Kenneth LSVP, Human ResourcesTax withholding5,469$214.28KForm 4
Dec 31, 2025Calloway Kenneth LSVP, Human ResourcesAward18,150—Form 4
Dec 31, 2025Hoffman Robert FSVP, IT and CAOTax withholding6,228$244.01KForm 4
Dec 31, 2025Hoffman Robert FSVP, IT and CAOTax withholding12,455$487.99KForm 4
Dec 31, 2025Hoffman Robert FSVP, IT and CAOAward31,650—Form 4
Dec 31, 2025Trpkovski Peter AEVP, CFO and TreasurerTax withholding4,045$158.48KForm 4
Dec 31, 2025Trpkovski Peter AEVP, CFO and TreasurerTax withholding8,090$316.97KForm 4
Dec 31, 2025Trpkovski Peter AEVP, CFO and TreasurerAward18,260—Form 4
Dec 31, 2025Aboud MattSVP, Strategy & Business Dev'tTax withholding8,243$322.96KForm 4
Dec 31, 2025Aboud MattSVP, Strategy & Business Dev'tTax withholding16,485$645.88KForm 4
Dec 31, 2025Aboud MattSVP, Strategy & Business Dev'tAward36,550—Form 4
Dec 31, 2025Hafberg Agust FSVP & Chief Commercial OfficerTax withholding7,811$306.03KForm 4
Dec 31, 2025Hafberg Agust FSVP & Chief Commercial OfficerTax withholding15,622$612.07KForm 4
Dec 31, 2025Hafberg Agust FSVP & Chief Commercial OfficerAward30,878—Form 4
Dec 31, 2025DeZee JohnEVP, GC and SecretaryTax withholding11,971$469.02KForm 4
Dec 31, 2025DeZee JohnEVP, GC and SecretaryTax withholding21,163$829.17KForm 4
Dec 31, 2025DeZee JohnEVP, GC and SecretaryAward54,042—Form 4
Dec 31, 2025Gary Jesse EPresident and CEOTax withholding67,711$2.65MForm 4
Dec 31, 2025Gary Jesse EPresident and CEOTax withholding203,131$7.96MForm 4
Dec 31, 2025Gary Jesse EPresident and CEOAward439,090—Form 4
Dec 31, 2025Gudlaugsson GunnarEVP - Global OperationsTax withholding20,943$820.55KForm 4
Dec 31, 2025Gudlaugsson GunnarEVP - Global OperationsTax withholding41,886$1.64MForm 4
Dec 31, 2025Gudlaugsson GunnarEVP - Global OperationsAward82,794—Form 4
Nov 10, 2025GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc10% OwnerConversion4,948,591—Form 4
Nov 10, 2025GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc10% OwnerSale9,000,000$272.25MForm 4
Sep 30, 2025GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc10% OwnerConversion2,848—Form 4
Sep 26, 2025Hafberg Agust FSVP & Chief Commercial OfficerSale9,493$264.95KForm 4
Sep 19, 2025Calloway Kenneth LSVP, Human ResourcesSale16,450$452.38KForm 4
Aug 12, 2025Aboud MattSVP, Strategy & Business Dev'tSale12,027$279.87KForm 4
Jun 30, 2025GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc10% OwnerConversion16,477—Form 4
Jun 16, 2025Bush Jennifer MaryDirectorAward7,778—Form 4
Jun 16, 2025GLASSER ERROLDirectorAward7,778—Form 4
Jun 16, 2025Berntzen JarlDirectorAward7,778—Form 4
Jun 16, 2025Michelmore Andrew GDirectorTax withholding2,333$40.50KForm 4
Jun 16, 2025Michelmore Andrew GDirectorAward7,778—Form 4
Jun 16, 2025Olivier Tamla ADirectorAward7,778—Form 4
Mar 31, 2025GLENCORE INTERNATIONAL AG & Glencore AG & Glencore plc10% OwnerConversion3,593—Form 4
Mar 21, 2025Trpkovski Peter AEVP, CFO and TreasurerAward12,455—Form 4
Mar 20, 2025Hoffman Robert FSVP, IT and CAOSale5,000$101.20KForm 4
Mar 14, 2025Hoffman Robert FSVP, IT and CAOSale2,500$49.98KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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