CENX Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$353.1M
9 insiders
Net Insider Flow
-$353.1M
open market, 180d
Reporting Insiders
9
12 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 15, 2026Bush Jennifer MaryDirectorGrant(A)2K$0
Jun 15, 2026Olivier Tamla ADirectorGrant(A)2K$0
Jun 15, 2026Berntzen JarlDirectorGrant(A)2K$0
Jun 15, 2026Michelmore Andrew GDirectorGrant(A)2K$0
Jun 15, 2026Michelmore Andrew GDirectorTax withholding(F)652$54.55$36K
Jun 15, 2026Glasser ErrolDirectorGrant(A)2K$0
Mar 25, 2026Trpkovski Peter AEVP, CFOSell(S)17K$50.51$845K
Mar 16, 2026Gary Jesse EPresident and CEO, DirectorSell(S)150K$55.47$8.3M
Mar 12, 2026Calloway Kenneth LSVP, Human ResourcesSell(S)18K$58.00$1.0M
Mar 11, 2026Hoffman Robert FSVP, IT and CAOSell(S)11K$56.51$595K
Mar 4, 2026Glencore AG10% OwnerSell(S)6.3M$51.75$326.8M
Mar 4, 2026Hoffman Robert FSVP, IT and CAOSell(S)10K$56.33$563K
Mar 3, 2026Aboud MattSVP, Strategy & Business Dev'tSell(S)3K$52.67$156K
Mar 2, 2026Aboud MattSVP, Strategy & Business Dev'tSell(S)12K$52.50$637K
Feb 27, 2026Hafberg Agust FSVP & Chief Commercial OfficerSell(S)23K$51.24$1.2M
Feb 25, 2026Gudlaugsson GunnarEVP - Global OperationsSell(S)43K$54.10$2.3M
Feb 23, 2026DeZee JohnEVP, GC and SecretarySell(S)66K$50.72$3.3M
Feb 9, 2026Trpkovski Peter AEVP, CFOTax withholding(F)4K$54.36$230K
Jan 23, 2026Gary Jesse EPresident and CEO, DirectorSell(S)150K$48.19$7.2M
Jan 12, 2026Gary Jesse EPresident and CEO, DirectorGift(G)315K$0
Jan 12, 2026Gary Jesse EPresident and CEO, DirectorGift(G)315K$0
Jan 1, 2026Aboud MattSVP, Strategy & Business Dev'tGrant(A)6K$0
Jan 1, 2026Calloway Kenneth LSVP, Human ResourcesGrant(A)5K$0
Jan 1, 2026DeZee JohnEVP, GC and SecretaryGrant(A)10K$0
Jan 1, 2026Hoffman Robert FSVP, IT and CAOGrant(A)5K$0
Jan 1, 2026Trpkovski Peter AEVP, CFO and TreasurerGrant(A)13K$0
Jan 1, 2026Hafberg Agust FSVP & Chief Commercial OfficerGrant(A)5K$0
Jan 1, 2026Gudlaugsson GunnarEVP - Global OperationsGrant(A)16K$0
Jan 1, 2026Gary Jesse EPresident and CEO, DirectorGrant(A)57K$0
Dec 31, 2025Aboud MattSVP, Strategy & Business Dev'tGrant(A)37K$0
Dec 31, 2025Aboud MattSVP, Strategy & Business Dev'tTax withholding(F)16K$39.18$646K
Dec 31, 2025Aboud MattSVP, Strategy & Business Dev'tTax withholding(F)8K$39.18$323K
Dec 31, 2025Calloway Kenneth LSVP, Human ResourcesTax withholding(F)4K$39.18$146K
Dec 31, 2025Calloway Kenneth LSVP, Human ResourcesTax withholding(F)5K$39.18$214K
Dec 31, 2025Calloway Kenneth LSVP, Human ResourcesGrant(A)18K$0
Dec 31, 2025DeZee JohnEVP, GC and SecretaryTax withholding(F)12K$39.18$469K
Dec 31, 2025DeZee JohnEVP, GC and SecretaryTax withholding(F)21K$39.18$829K
Dec 31, 2025DeZee JohnEVP, GC and SecretaryGrant(A)54K$0
Dec 31, 2025Hoffman Robert FSVP, IT and CAOGrant(A)32K$0
Dec 31, 2025Hoffman Robert FSVP, IT and CAOTax withholding(F)12K$39.18$488K
Dec 31, 2025Hoffman Robert FSVP, IT and CAOTax withholding(F)6K$39.18$244K
Dec 31, 2025Trpkovski Peter AEVP, CFO and TreasurerTax withholding(F)4K$39.18$158K
Dec 31, 2025Trpkovski Peter AEVP, CFO and TreasurerGrant(A)18K$0
Dec 31, 2025Trpkovski Peter AEVP, CFO and TreasurerTax withholding(F)8K$39.18$317K
Dec 31, 2025Hafberg Agust FSVP & Chief Commercial OfficerGrant(A)31K$0
Dec 31, 2025Hafberg Agust FSVP & Chief Commercial OfficerTax withholding(F)16K$39.18$612K
Dec 31, 2025Hafberg Agust FSVP & Chief Commercial OfficerTax withholding(F)8K$39.18$306K
Dec 31, 2025Gudlaugsson GunnarEVP - Global OperationsTax withholding(F)42K$39.18$1.6M
Dec 31, 2025Gudlaugsson GunnarEVP - Global OperationsGrant(A)83K$0
Dec 31, 2025Gudlaugsson GunnarEVP - Global OperationsTax withholding(F)21K$39.18$821K
Dec 31, 2025Gary Jesse EPresident and CEO, DirectorGrant(A)439K$0
Dec 31, 2025Gary Jesse EPresident and CEO, DirectorTax withholding(F)68K$39.18$2.7M
Dec 31, 2025Gary Jesse EPresident and CEO, DirectorTax withholding(F)203K$39.18$8.0M
Nov 10, 2025Glencore International AG10% OwnerSell(S)9.0M$30.25$272.3M
Nov 10, 2025Glencore International AG10% OwnerConversion(C)4.9M
Nov 10, 2025Glencore International AG10% OwnerConversion(C)49K
Sep 30, 2025Glencore AG10% OwnerConversion(C)3K
Sep 30, 2025Glencore AG10% OwnerConversion(C)28
Sep 26, 2025Hafberg Agust FSVP & Chief Commercial OfficerSell(S)9K$27.91$265K
Sep 19, 2025Calloway Kenneth LSVP, Human ResourcesSell(S)16K$27.50$452K
Aug 12, 2025Aboud MattSVP, Strategy & Business Dev'tSell(S)12K$23.27$280K
Jun 30, 2025Glencore plc10% OwnerConversion(C)16K
Jun 30, 2025Glencore plc10% OwnerConversion(C)165
Jun 16, 2025Berntzen JarlDirectorGrant(A)8K$0
Jun 16, 2025Bush Jennifer MaryDirectorGrant(A)8K$0
Jun 16, 2025Michelmore Andrew GDirectorGrant(A)8K$0
Jun 16, 2025Michelmore Andrew GDirectorTax withholding(F)2K$17.36$41K
Jun 16, 2025Olivier Tamla ADirectorGrant(A)8K$0
Jun 16, 2025Glasser ErrolDirectorGrant(A)8K$0
Mar 31, 2025Glencore plc10% OwnerConversion(C)4K
Mar 31, 2025Glencore plc10% OwnerConversion(C)36
Mar 21, 2025Trpkovski Peter AEVP, CFO and TreasurerGrant(A)12K$0
Mar 20, 2025Hoffman Robert FSVP, IT and CAOSell(S)5K$20.24$101K
Mar 14, 2025Hoffman Robert FSVP, IT and CAOSell(S)3K$19.99$50K
Feb 7, 2025Trpkovski Peter ASVP, Finance and TreasurerTax withholding(F)5K$18.69$84K
Jan 28, 2025Gary Jesse EPresident and CEO, DirectorGift(G)127K$0
Jan 28, 2025Gary Jesse EPresident and CEO, DirectorGift(G)127K$0
Jan 1, 2025Bialek Gerald CChief Financial OfficerGrant(A)18K$0
Jan 1, 2025Trpkovski Peter ASVP, Finance and TreasurerGrant(A)6K$0
Jan 1, 2025Aboud MattSVP, Strategy & Business Dev'tGrant(A)9K$0
Jan 1, 2025Calloway Kenneth LSVP, Human ResourcesGrant(A)8K$0
Jan 1, 2025DeZee JohnEVP, GC and SecretaryGrant(A)15K$0
Jan 1, 2025Hafberg Agust FSVP & Chief Commercial OfficerGrant(A)8K$0
Jan 1, 2025Gudlaugsson GunnarEVP - Global OperationsGrant(A)25K$0
Jan 1, 2025Gary Jesse EPresident and CEO, DirectorGrant(A)84K$0
Jan 1, 2025Hoffman Robert FSVP, IT and CAOGrant(A)8K$0
Dec 31, 2024Trpkovski Peter ASVP, Finance and TreasurerTax withholding(F)703$18.22$13K
Dec 31, 2024Trpkovski Peter ASVP, Finance and TreasurerTax withholding(F)2K$18.22$37K
Dec 31, 2024Trpkovski Peter ASVP, Finance and TreasurerGrant(A)5K$0
Dec 31, 2024Aboud MattSVP, Strategy & Business Dev'tTax withholding(F)7K$18.22$134K
Dec 31, 2024Aboud MattSVP, Strategy & Business Dev'tGrant(A)16K$0
Dec 31, 2024Aboud MattSVP, Strategy & Business Dev'tTax withholding(F)3K$18.22$46K
Dec 31, 2024Calloway Kenneth LSVP, Human ResourcesTax withholding(F)3K$18.22$60K
Dec 31, 2024Calloway Kenneth LSVP, Human ResourcesTax withholding(F)1K$18.22$20K
Dec 31, 2024Calloway Kenneth LSVP, Human ResourcesGrant(A)7K$0
Dec 31, 2024DeZee JohnEVP, GC and SecretaryTax withholding(F)8K$18.22$139K
Dec 31, 2024DeZee JohnEVP, GC and SecretaryTax withholding(F)3K$18.22$48K
Dec 31, 2024DeZee JohnEVP, GC and SecretaryGrant(A)26K$0
Dec 31, 2024Hafberg Agust FSVP & Chief Commercial OfficerTax withholding(F)2K$18.22$45K
Dec 31, 2024Hafberg Agust FSVP & Chief Commercial OfficerTax withholding(F)7K$18.22$132K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).