GCMG Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$489K
1 insiders
Net Insider Flow
-$489K
open market, 180d
Reporting Insiders
1
2 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 30, 2026Cornelli FrancescaDirectorGrant(A)6K$12.30$74K
Jun 30, 2026Helfand DavidDirectorGrant(A)7K$12.30$89K
Jun 30, 2026Malkin StephenDirectorGrant(A)5K$12.30$63K
Jun 30, 2026Scott Samuel C IIIDirectorGrant(A)6K$12.30$74K
May 31, 2026Pollock FrederickChief Investment OfficerOption exercise(M)25K$0
May 31, 2026Pollock FrederickChief Investment OfficerTax withholding(F)10K$10.63$105K
May 31, 2026Pollock FrederickChief Investment OfficerOption exercise(M)25K
May 31, 2026Levin Jonathan ReisinPresident, DirectorOption exercise(M)50K$0
May 31, 2026Levin Jonathan ReisinPresident, DirectorOption exercise(M)24K$0
May 31, 2026Levin Jonathan ReisinPresident, DirectorOption exercise(M)25K$0
May 31, 2026Levin Jonathan ReisinPresident, DirectorTax withholding(F)45K$10.63$479K
May 31, 2026Levin Jonathan ReisinPresident, DirectorOption exercise(M)50K
May 31, 2026Levin Jonathan ReisinPresident, DirectorOption exercise(M)24K
May 31, 2026Levin Jonathan ReisinPresident, DirectorOption exercise(M)25K
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)9K$0
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)12K$0
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)13K$0
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerTax withholding(F)15K$10.63$159K
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)9K
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)12K
May 31, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)13K
May 31, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)12K$0
May 31, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)16K$0
May 31, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)17K$0
May 31, 2026Bentley Pamela LChief Financial OfficerTax withholding(F)20K$10.63$215K
May 31, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)12K
May 31, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)16K
May 31, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)17K
May 19, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerGift(G)1K$0
May 18, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerGift(G)2K$0
Apr 15, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)8K$0
Apr 15, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerTax withholding(F)9K$10.88$103K
Apr 15, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)8K
Apr 15, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)27K$0
Apr 15, 2026Bentley Pamela LChief Financial OfficerTax withholding(F)30K$10.88$326K
Apr 15, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)27K
Mar 31, 2026Cornelli FrancescaDirectorGrant(A)8K$9.80$74K
Mar 31, 2026Scott Samuel C IIIDirectorGrant(A)8K$9.80$74K
Mar 31, 2026Helfand DavidDirectorGrant(A)9K$9.80$89K
Mar 31, 2026Malkin StephenDirectorGrant(A)6K$9.80$63K
Mar 11, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerGift(G)2K$0
Mar 2, 2026Pollock FrederickChief Investment OfficerTax withholding(F)40K$11.70$466K
Mar 1, 2026Levin Jonathan ReisinPresident, DirectorGrant(A)91K$0
Mar 1, 2026Levin Jonathan ReisinPresident, DirectorGrant(A)150K$0
Mar 1, 2026Pollock FrederickChief Investment OfficerOption exercise(M)50K
Mar 1, 2026Pollock FrederickChief Investment OfficerOption exercise(M)50K
Mar 1, 2026Pollock FrederickChief Investment OfficerGrant(A)150K$0
Mar 1, 2026Pollock FrederickChief Investment OfficerGrant(A)61K$0
Mar 1, 2026Pollock FrederickChief Investment OfficerOption exercise(M)50K$0
Mar 1, 2026Pollock FrederickChief Investment OfficerOption exercise(M)50K$0
Mar 1, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)40K
Mar 1, 2026Bentley Pamela LChief Financial OfficerOption exercise(M)40K$0
Mar 1, 2026Bentley Pamela LChief Financial OfficerGrant(A)40K$0
Mar 1, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)13K
Mar 1, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerGrant(A)30K$0
Mar 1, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerOption exercise(M)13K$0
Feb 27, 2026Blanton AngelaDirectorSell(S)2K$11.73$22K
Feb 26, 2026Blanton AngelaDirectorSell(S)39K$11.88$467K
Jan 15, 2026Blanton AngelaDirectorOption exercise(M)87K
Jan 15, 2026Blanton AngelaDirectorOption exercise(M)87K$0
Jan 15, 2026Bentley Pamela LChief Financial OfficerGrant(A)27K$0
Jan 15, 2026Sullivan Kathleen PatriciaPrincipal Accounting OfficerGrant(A)8K$0
Dec 31, 2025Blanton AngelaDirectorGrant(A)7K$11.32$74K
Dec 31, 2025Cornelli FrancescaDirectorOption exercise(M)2K
Dec 31, 2025Cornelli FrancescaDirectorGrant(A)7K$11.32$74K
Dec 31, 2025Cornelli FrancescaDirectorOption exercise(M)2K$0
Dec 31, 2025Helfand DavidDirectorGrant(A)8K$11.32$89K
Dec 31, 2025Malkin StephenDirectorGrant(A)6K$11.32$63K
Dec 31, 2025Scott Samuel C IIIDirectorGrant(A)7K$11.32$74K
Dec 17, 2025Bentley Pamela LChief Financial OfficerSell(S)40K$11.62$465K
Dec 16, 2025Bentley Pamela LChief Financial OfficerSell(S)40K$11.61$464K
Dec 2, 2025Sullivan Kathleen PatriciaPrincipal Accounting OfficerGift(G)2K$0
Nov 15, 2025Bentley Pamela LChief Financial OfficerGrant(A)40K$0
Nov 15, 2025Bentley Pamela LChief Financial OfficerGrant(A)600K$0
Nov 15, 2025Sullivan Kathleen PatriciaPrincipal Accounting OfficerGrant(A)13K$0
Nov 14, 2025Sacks Michael JayChief Executive Officer, Director, 10% OwnerOther(J)893K$11.59$10.4M
Nov 14, 2025Sacks Michael JayChief Executive Officer, Director, 10% OwnerOption exercise(X)900K$11.50$10.3M
Nov 14, 2025Sacks Michael JayChief Executive Officer, Director, 10% OwnerOption exercise(X)900K$0
Oct 6, 2025Lutnick Howard W10% OwnerSell(S)6.5M
Oct 6, 2025Lutnick Howard W10% OwnerSell(S)1.8M
Sep 30, 2025Helfand DavidDirectorGrant(A)7K$12.07$89K
Sep 30, 2025Scott Samuel C IIIDirectorGrant(A)6K$12.07$74K
Sep 30, 2025Blanton AngelaDirectorGrant(A)6K$12.07$74K
Sep 30, 2025Cornelli FrancescaDirectorOption exercise(M)3K
Sep 30, 2025Cornelli FrancescaDirectorGrant(A)6K$12.07$74K
Sep 30, 2025Cornelli FrancescaDirectorOption exercise(M)3K$0
Sep 30, 2025Malkin StephenDirectorGrant(A)5K$12.07$63K
Aug 15, 2025Pollock FrederickChief Investment OfficerTax withholding(F)21K$12.89$266K
Aug 15, 2025Pollock FrederickChief Investment OfficerOption exercise(M)53K
Aug 15, 2025Pollock FrederickChief Investment OfficerOption exercise(M)53K$0
Aug 15, 2025Levin Jonathan ReisinPresident, DirectorOption exercise(M)79K
Aug 15, 2025Levin Jonathan ReisinPresident, DirectorTax withholding(F)37K$12.89$471K
Aug 15, 2025Levin Jonathan ReisinPresident, DirectorOption exercise(M)79K$0
Aug 12, 2025Sullivan Kathleen PatriciaPrincipal Accounting OfficerSell(S)6K$13.02$78K
Jun 30, 2025Cornelli FrancescaDirectorGrant(A)6K$11.56$74K
Jun 30, 2025Blanton AngelaDirectorGrant(A)6K$11.56$74K
Jun 30, 2025Helfand DavidDirectorGrant(A)8K$11.56$89K
Jun 30, 2025Malkin StephenDirectorGrant(A)5K$11.56$63K
Jun 30, 2025Scott Samuel C IIIDirectorGrant(A)6K$11.56$74K
Jun 28, 2025Cornelli FrancescaDirectorOption exercise(M)3K

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 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

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