GRNT Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$1.1M
6 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$1.1M
open market, 180d
Reporting Insiders
6
18 P/S transactions
Build

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, 2026Miller Matthew ReadeDirectorGrant(A)4K$0
Jun 12, 2026Miller Matthew ReadeDirectorBuy(P)696$4.97$3K
Jun 10, 2026McCartney JohnDirectorBuy(P)4K$4.96$20K
Jun 9, 2026Miller Matthew ReadeDirectorBuy(P)11K$4.75$50K
May 27, 2026Kettler Ronald KyleChief Financial OfficerBuy(P)6K$5.08$30K
May 21, 2026McCartney JohnDirectorBuy(P)4K$5.54$22K
May 19, 2026McCartney JohnDirectorBuy(P)3K$5.81$17K
May 18, 2026Perry GriffinDirectorBuy(P)100K$5.49$549K
May 14, 2026Everard Michele JDirectorBuy(P)1K$5.28$5K
May 13, 2026Miller Matthew ReadeDirectorBuy(P)18K$5.21$95K
May 13, 2026Farquharson TylerPresident and CEOBuy(P)10K$5.15$52K
Mar 31, 2026Miller Matthew ReadeDirectorGrant(A)3K$0
Mar 13, 2026Kettler Ronald KyleChief Financial OfficerBuy(P)3K$5.17$16K
Mar 13, 2026Miller Matthew ReadeDirectorBuy(P)658$5.15$3K
Mar 12, 2026Everard Michele JDirectorBuy(P)5K$5.17$26K
Mar 12, 2026McCartney JohnDirectorBuy(P)5K$5.16$26K
Mar 11, 2026McCartney JohnDirectorBuy(P)2K$5.12$10K
Mar 10, 2026Farquharson TylerPresident and CEOBuy(P)13K$5.21$65K
Mar 10, 2026Kettler Ronald KyleChief Financial OfficerBuy(P)5K$5.18$26K
Mar 10, 2026Miller Matthew ReadeDirectorBuy(P)10K$5.10$51K
Mar 6, 2026Weimer KimberlyChief Accounting OfficerTax withholding(F)1K$5.02$6K
Mar 5, 2026Weimer KimberlyChief Accounting OfficerTax withholding(F)2K$5.34$8K
Mar 4, 2026Weimer KimberlyChief Accounting OfficerGrant(A)27K$0
Mar 4, 2026Kettler Ronald KyleChief Financial OfficerGrant(A)17K$0
Mar 4, 2026Kettler Ronald KyleChief Financial OfficerGrant(A)41K$0
Mar 4, 2026Farquharson TylerPresident and CEOGrant(A)26K$0
Mar 4, 2026Farquharson TylerPresident and CEOGrant(A)22K$0
Mar 4, 2026Farquharson TylerPresident and CEOGrant(A)62K$0
Feb 9, 2026Kettler Ronald KyleChief Financial OfficerGrant(A)97K$0
Feb 9, 2026Kettler Ronald KyleChief Financial OfficerGrant(A)97K$0
Feb 9, 2026Kettler Ronald KyleChief Financial OfficerGrant(A)97K$0
Feb 9, 2026Kettler Ronald KyleChief Financial OfficerGrant(A)97K$0
Jan 2, 2026Coussens Amanda N.DirectorGrant(A)16K$0
Jan 2, 2026Everard Michele JDirectorGrant(A)16K$0
Jan 2, 2026McCartney JohnDirectorGrant(A)16K$0
Jan 2, 2026Darden ThaddeusDirectorGrant(A)16K$0
Jan 2, 2026Lazarine KirkDirectorGrant(A)16K$0
Jan 2, 2026Perry GriffinDirectorGrant(A)16K$0
Jan 2, 2026Miller Matthew ReadeDirectorGrant(A)16K$0
Dec 31, 2025Miller Matthew ReadeDirectorGrant(A)4K$0
Dec 15, 2025Miller Matthew ReadeDirectorBuy(P)648$5.13$3K
Dec 8, 2025McCartney JohnDirectorBuy(P)5K$5.26$26K
Dec 5, 2025McCartney JohnDirectorBuy(P)4K$5.41$22K
Dec 4, 2025Miller Matthew ReadeDirectorBuy(P)9K$5.33$50K
Dec 1, 2025McCartney JohnDirectorBuy(P)1K$5.23$5K
Nov 21, 2025Lazarine KirkDirectorBuy(P)5K$5.00$25K
Nov 21, 2025Lazarine KirkDirectorBuy(P)5K$4.95$25K
Nov 19, 2025McCartney JohnDirectorBuy(P)4K$5.05$20K
Nov 18, 2025McCartney JohnDirectorBuy(P)4K$5.07$20K
Nov 17, 2025McCartney JohnDirectorBuy(P)4K$5.18$21K
Nov 13, 2025McCartney JohnDirectorBuy(P)4K$5.17$21K
Nov 11, 2025McCartney JohnDirectorBuy(P)4K$5.26$21K
Sep 30, 2025Miller Matthew ReadeDirectorGrant(A)3K$0
Sep 15, 2025Miller Matthew ReadeDirectorBuy(P)600$5.35$3K
Aug 21, 2025McCartney JohnDirectorBuy(P)974$5.30$5K
Aug 18, 2025McCartney JohnDirectorBuy(P)5K$5.25$26K
Aug 15, 2025McCartney JohnDirectorBuy(P)5K$5.30$27K
Aug 13, 2025McCartney JohnDirectorBuy(P)3K$5.41$16K
Aug 12, 2025McCartney JohnDirectorBuy(P)3K$5.34$16K
Aug 12, 2025Miller Matthew ReadeDirectorBuy(P)19K$5.36$100K
Aug 12, 2025Everard Michele JDirectorBuy(P)1K$5.33$5K
Jun 30, 2025Miller Matthew ReadeDirectorGrant(A)3K$0
Jun 16, 2025Miller Matthew ReadeDirectorBuy(P)17K$5.98$102K
Jun 13, 2025Miller Matthew ReadeDirectorBuy(P)544$5.98$3K
Jun 12, 2025Weimer KimberlyInterim CFO & CAOGrant(A)43K$0
Jun 12, 2025Weimer KimberlyInterim CFO & CAOGrant(A)43K$0
Jun 12, 2025Weimer KimberlyInterim CFO & CAOGrant(A)43K$0
Jun 12, 2025Weimer KimberlyInterim CFO & CAOGrant(A)43K$0
Jun 12, 2025Farquharson TylerPresident and CEOGrant(A)172K$0
Jun 12, 2025Farquharson TylerPresident and CEOGrant(A)172K$0
Jun 12, 2025Farquharson TylerPresident and CEOGrant(A)172K$0
Jun 12, 2025Farquharson TylerPresident and CEOGrant(A)172K$0
Jun 4, 2025Brandenberg Luke CPresident and CEOBuy(P)6K$5.80$35K
Jun 3, 2025McCartney JohnDirectorBuy(P)2K$5.89$12K
Jun 2, 2025McCartney JohnDirectorBuy(P)2K$5.72$11K
May 16, 2025Everard Michele JDirectorBuy(P)1K$5.53$6K
May 15, 2025Brandenberg Luke CPresident and CEOBuy(P)18K$5.55$101K
May 13, 2025Darden ThaddeusDirectorBuy(P)3K$5.63$17K
Mar 31, 2025Miller Matthew ReadeDirectorGrant(A)3K$0
Mar 14, 2025Miller Matthew ReadeDirectorBuy(P)562$5.77$3K
Mar 6, 2025Weimer KimberlyChief Accounting OfficerTax withholding(F)1K$5.29$7K
Mar 5, 2025Weimer KimberlyChief Accounting OfficerGrant(A)19K$0
Mar 5, 2025Brandenberg Luke CPresident and CEOGrant(A)22K$0
Mar 5, 2025Brandenberg Luke CPresident and CEOGrant(A)64K$0
Mar 5, 2025Farquharson TylerChief Financial OfficerGrant(A)16K$0
Mar 5, 2025Farquharson TylerChief Financial OfficerGrant(A)46K$0
Jan 2, 2025McCartney JohnDirectorGrant(A)11K$0
Jan 2, 2025Coussens Amanda N.DirectorGrant(A)11K$0
Jan 2, 2025Everard Michele JDirectorGrant(A)11K$0
Jan 2, 2025Darden ThaddeusDirectorGrant(A)11K$0
Jan 2, 2025Lazarine KirkDirectorGrant(A)11K$0
Jan 2, 2025Perry GriffinDirectorGrant(A)11K$0
Jan 2, 2025Miller Matthew ReadeDirectorGrant(A)11K$0
Dec 16, 2024Miller Matthew ReadeDirectorBuy(P)506$6.03$3K
Dec 12, 2024Brandenberg Luke CPresident and CEOBuy(P)2K$6.07$9K
Dec 12, 2024Lazarine KirkDirectorOther(J)442K$0
Dec 12, 2024Perry GriffinDirectorOther(J)442K$0
Dec 12, 2024Miller Matthew ReadeDirectorOther(J)457K$0
Dec 12, 2024Darden ThaddeusDirectorOther(J)11K$0
Dec 12, 2024Darden ThaddeusDirectorOther(J)110K$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 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

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