GPMT Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$56K
2 insiders
Net Insider Flow
-$56K
open market, 180d
Reporting Insiders
2
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 8, 2026Kasnet Stephen GDirectorSell(S)27K$1.48$40K
Jun 8, 2026Dehne Tanuja MDirectorSell(S)11K$1.48$16K
Jun 5, 2026Nikolic LazarDirectorOption exercise(M)41K
Jun 5, 2026Nikolic LazarDirectorOption exercise(M)41K$0
Jun 5, 2026Halter Patrick GregoryDirectorOption exercise(M)41K
Jun 5, 2026Halter Patrick GregoryDirectorOption exercise(M)41K$0
Jun 5, 2026McGrath Sheila K.DirectorOption exercise(M)43K
Jun 5, 2026McGrath Sheila K.DirectorOption exercise(M)43K$0
Jun 5, 2026Woodhouse Hope BDirectorOption exercise(M)44K
Jun 5, 2026Woodhouse Hope BDirectorOption exercise(M)44K$0
Jun 5, 2026Kasnet Stephen GDirectorOption exercise(M)67K
Jun 5, 2026Kasnet Stephen GDirectorOption exercise(M)67K$0
Jun 5, 2026Dehne Tanuja MDirectorOption exercise(M)43K
Jun 5, 2026Dehne Tanuja MDirectorOption exercise(M)43K$0
Jun 4, 2026Nikolic LazarDirectorGrant(A)35K$0
Jun 4, 2026Halter Patrick GregoryDirectorGrant(A)35K$0
Jun 4, 2026McGrath Sheila K.DirectorGrant(A)38K$0
Jun 4, 2026Woodhouse Hope BDirectorGrant(A)40K$0
Jun 4, 2026Kasnet Stephen GDirectorGrant(A)58K$0
Jun 4, 2026Dehne Tanuja MDirectorGrant(A)39K$0
Mar 15, 2026Alpart StephenChief Investment OfficerOption exercise(M)40K
Mar 15, 2026Alpart StephenChief Investment OfficerTax withholding(F)20K$1.57$32K
Mar 15, 2026Alpart StephenChief Investment OfficerOption exercise(M)40K$0
Mar 15, 2026Taylor John APresident and CEO, DirectorOption exercise(M)74K
Mar 15, 2026Taylor John APresident and CEO, DirectorTax withholding(F)41K$1.57$65K
Mar 15, 2026Taylor John APresident and CEO, DirectorOption exercise(M)74K$0
Mar 15, 2026Karber Michael J.General Counsel and SecretaryTax withholding(F)9K$1.57$15K
Mar 15, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)19K
Mar 15, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)19K$0
Mar 15, 2026Morral Peter M.Chief Development OfficerTax withholding(F)20K$1.57$32K
Mar 15, 2026Morral Peter M.Chief Development OfficerOption exercise(M)40K
Mar 15, 2026Morral Peter M.Chief Development OfficerOption exercise(M)40K$0
Mar 15, 2026Lebowitz EthanChief Operating OfficerTax withholding(F)9K$1.57$14K
Mar 15, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)19K
Mar 15, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)19K$0
Mar 5, 2026Lebowitz EthanChief Operating OfficerGrant(A)64K$0
Mar 5, 2026Morral Peter M.Chief Development OfficerGrant(A)79K$0
Mar 5, 2026Johnson BlakeChief Financial OfficerGrant(A)59K$0
Mar 5, 2026Karber Michael J.General Counsel and SecretaryGrant(A)73K$0
Mar 5, 2026Taylor John APresident and CEO, DirectorGrant(A)122K$0
Mar 5, 2026Alpart StephenChief Investment OfficerGrant(A)103K$0
Mar 5, 2026Alpart StephenChief Investment OfficerGrant(A)7K$0
Mar 5, 2026Alpart StephenChief Investment OfficerTax withholding(F)4K$1.75$6K
Mar 5, 2026Taylor John APresident and CEO, DirectorTax withholding(F)7K$1.75$13K
Mar 5, 2026Taylor John APresident and CEO, DirectorGrant(A)13K$0
Mar 5, 2026Karber Michael J.General Counsel and SecretaryTax withholding(F)2K$1.75$3K
Mar 5, 2026Karber Michael J.General Counsel and SecretaryGrant(A)3K$0
Mar 5, 2026Morral Peter M.Chief Development OfficerGrant(A)7K$0
Mar 5, 2026Morral Peter M.Chief Development OfficerTax withholding(F)4K$1.75$6K
Mar 1, 2026Alpart StephenChief Investment OfficerTax withholding(F)21K$1.74$37K
Mar 1, 2026Alpart StephenChief Investment OfficerOption exercise(M)42K
Mar 1, 2026Alpart StephenChief Investment OfficerOption exercise(M)42K$0
Mar 1, 2026Taylor John APresident and CEO, DirectorTax withholding(F)43K$1.74$75K
Mar 1, 2026Taylor John APresident and CEO, DirectorOption exercise(M)78K
Mar 1, 2026Taylor John APresident and CEO, DirectorOption exercise(M)78K$0
Mar 1, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)22K
Mar 1, 2026Karber Michael J.General Counsel and SecretaryTax withholding(F)12K$1.74$21K
Mar 1, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)22K$0
Mar 1, 2026Morral Peter M.Chief Development OfficerTax withholding(F)18K$1.74$31K
Mar 1, 2026Morral Peter M.Chief Development OfficerOption exercise(M)35K
Mar 1, 2026Morral Peter M.Chief Development OfficerOption exercise(M)35K$0
Mar 1, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)29K
Mar 1, 2026Lebowitz EthanChief Operating OfficerTax withholding(F)16K$1.74$27K
Mar 1, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)29K$0
Feb 27, 2026Johnson BlakeChief Financial OfficerTax withholding(F)8K$1.74$14K
Feb 27, 2026Johnson BlakeChief Financial OfficerOption exercise(M)10K
Feb 27, 2026Johnson BlakeChief Financial OfficerOption exercise(M)5K
Feb 27, 2026Johnson BlakeChief Financial OfficerOption exercise(M)5K$0
Feb 27, 2026Johnson BlakeChief Financial OfficerOption exercise(M)10K$0
Feb 27, 2026Alpart StephenChief Investment OfficerTax withholding(F)37K$1.74$65K
Feb 27, 2026Alpart StephenChief Investment OfficerOption exercise(M)46K
Feb 27, 2026Alpart StephenChief Investment OfficerOption exercise(M)24K
Feb 27, 2026Alpart StephenChief Investment OfficerOption exercise(M)24K$0
Feb 27, 2026Alpart StephenChief Investment OfficerOption exercise(M)46K$0
Feb 27, 2026Taylor John APresident and CEO, DirectorOption exercise(M)87K
Feb 27, 2026Taylor John APresident and CEO, DirectorOption exercise(M)45K
Feb 27, 2026Taylor John APresident and CEO, DirectorTax withholding(F)73K$1.74$127K
Feb 27, 2026Taylor John APresident and CEO, DirectorOption exercise(M)87K$0
Feb 27, 2026Taylor John APresident and CEO, DirectorOption exercise(M)45K$0
Feb 27, 2026Karber Michael J.General Counsel and SecretaryTax withholding(F)21K$1.74$36K
Feb 27, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)13K
Feb 27, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)25K
Feb 27, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)13K$0
Feb 27, 2026Karber Michael J.General Counsel and SecretaryOption exercise(M)25K$0
Feb 27, 2026Morral Peter M.Chief Development OfficerTax withholding(F)30K$1.74$53K
Feb 27, 2026Morral Peter M.Chief Development OfficerOption exercise(M)19K
Feb 27, 2026Morral Peter M.Chief Development OfficerOption exercise(M)37K
Feb 27, 2026Morral Peter M.Chief Development OfficerOption exercise(M)37K$0
Feb 27, 2026Morral Peter M.Chief Development OfficerOption exercise(M)19K$0
Feb 27, 2026Lebowitz EthanChief Operating OfficerTax withholding(F)10K$1.74$18K
Feb 27, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)7K
Feb 27, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)13K
Feb 27, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)7K$0
Feb 27, 2026Lebowitz EthanChief Operating OfficerOption exercise(M)13K$0
Dec 31, 2025Alpart StephenChief Investment OfficerOption exercise(M)60K
Dec 31, 2025Alpart StephenChief Investment OfficerTax withholding(F)31K$2.41$74K
Dec 31, 2025Alpart StephenChief Investment OfficerOption exercise(M)60K$0
Dec 31, 2025Taylor John APresident and CEO, DirectorTax withholding(F)53K$2.41$128K
Dec 31, 2025Taylor John APresident and CEO, DirectorOption exercise(M)100K
Dec 31, 2025Taylor John APresident and CEO, DirectorOption exercise(M)100K$0

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 2021-01-042026-07-21. Earlier history is backfilling; this window widens as it deepens.

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