GRF Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$164K
4 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$164K
open market, 180d
Reporting Insiders
4
7 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
May 22, 2026Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)10K$10.00$100K
May 18, 2026Sims Luke EPresident & CEO, DirectorSmall acquisition(L)258$10.10$3K
May 18, 2026Sims Luke EPresident & CEO, DirectorBuy(P)1K$10.20$12K
May 11, 2026Tyler Donald GDirectorBuy(P)1K$10.05$10K
May 5, 2026Tyler Donald GDirectorSmall acquisition(L)886$10.05$9K
Apr 16, 2026Tyler Donald GDirectorBuy(P)1K$9.90$10K
Mar 19, 2026Tyler Donald GDirectorSmall acquisition(L)23$10.25$236
Feb 12, 2026Zalenko Neal F.DirectorBuy(P)1K$10.99$11K
Feb 10, 2026Zalenko Neal F.DirectorBuy(P)1K$11.09$16K
Feb 2, 2026Zalenko Neal F.DirectorBuy(P)500$10.80$5K
Jan 27, 2026Zalenko Neal F.DirectorSmall acquisition(L)588$10.80$6K
Jan 13, 2026Zalenko Neal F.DirectorBuy(P)234$11.00$3K
Jan 9, 2026Zalenko Neal F.DirectorBuy(P)427$10.84$5K
Jan 7, 2026Zalenko Neal F.DirectorSmall acquisition(L)500$10.78$5K
Jan 6, 2026Zalenko Neal F.DirectorSmall acquisition(L)5$10.72$54
Dec 30, 2025Zalenko Neal F.DirectorSmall acquisition(L)100$10.67$1K
Dec 2, 2025Zalenko Neal F.DirectorBuy(P)25$10.00$250
Dec 1, 2025Zalenko Neal F.DirectorBuy(P)1K$10.00$10K
Nov 25, 2025Zalenko Neal F.DirectorBuy(P)1K$10.13$10K
Nov 18, 2025Zalenko Neal F.DirectorBuy(P)511$10.64$5K
Nov 17, 2025Zalenko Neal F.DirectorBuy(P)1K$10.80$11K
Nov 7, 2025Zalenko Neal F.DirectorBuy(P)1K$10.65$11K
Oct 17, 2025Sims Luke EPresident & CEO, DirectorBuy(P)2K$10.75$22K
Oct 16, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$10.72$21K
Oct 16, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)40$10.74$430
Oct 16, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)874$10.76$9K
Oct 15, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$10.52$21K
Oct 15, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)3K$10.55$32K
Oct 15, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$10.56$11K
Oct 15, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$10.51$11K
Sep 30, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorSmall acquisition(L)285$10.58$3K
Aug 18, 2025Sims Luke EPresident & CEO, DirectorSmall acquisition(L)975$10.11$10K
Jul 23, 2025Tyler Donald GDirectorSell(S)3K$10.02$32K
Jul 22, 2025Tyler Donald GDirectorSell(S)808$10.02$8K
Jul 18, 2025Tyler Donald GDirectorSell(S)2K$10.05$18K
Jul 18, 2025Tyler Donald GDirectorSell(S)34$10.10$343
Jun 26, 2025Sims Luke EPresident & CEO, DirectorBuy(P)5K$9.73$44K
Jun 17, 2025Sims Luke EPresident & CEO, DirectorBuy(P)2K$9.80$21K
Apr 30, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$9.71$24K
Apr 30, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)100$9.52$952
Apr 30, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)3K$9.71$29K
Apr 10, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$9.20$13K
Apr 9, 2025Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)4K$9.61$36K
Mar 24, 2025Sims Luke EPresident & CEO, DirectorSmall acquisition(L)1K$9.92$10K
Dec 4, 2024Sims Luke EPresident & CEO, DirectorBuy(P)1K$9.68$10K
Dec 4, 2024Sims Luke EPresident & CEO, DirectorBuy(P)5K$9.75$49K
Nov 27, 2024Sims Luke EPresident & CEO, DirectorSmall acquisition(L)14$10.10$141
Oct 1, 2024Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)4K$9.75$40K
Sep 24, 2024Sims David CCFO, CCO, Secretary, Treasurer, DirectorSmall acquisition(L)795$9.72$8K
Sep 6, 2024Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$9.62$15K
Sep 6, 2024Sims Luke EPresident & CEO, DirectorBuy(P)2K$9.58$19K
May 17, 2024Bilkie Robert MDirectorBuy(P)600$9.29$6K
Apr 22, 2024Bilkie Robert MDirectorSmall acquisition(L)200$9.42$2K
Apr 19, 2024Bilkie Robert MDirectorSmall acquisition(L)400$9.41$4K
Feb 22, 2024Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)5K$9.19$47K
Feb 22, 2024Sims Luke EPresident & CEO, DirectorSell(S)5K$9.19$46K
Dec 19, 2023Zalenko Neal F.DirectorSmall acquisition(L)425$9.94$4K
Aug 28, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)20$8.86$177
Aug 28, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)6K$8.88$56K
Aug 28, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)25$8.86$222
Aug 28, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$8.81$11K
Aug 28, 2023Sims Luke EPresident & CEO, DirectorSell(S)5K$8.88$44K
May 10, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)4K$8.50$32K
May 10, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$8.48$10K
May 10, 2023Sims Luke EPresident & CEO, DirectorSell(S)5K$8.50$43K
May 9, 2023Zalenko Neal F.DirectorBuy(P)5K$8.47$46K
Feb 23, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$8.33$16K
Feb 23, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$8.33$14K
Feb 22, 2023Tyler Donald GDirectorSmall acquisition(L)106$8.27$877
Feb 22, 2023Tyler Donald GDirectorBuy(P)2K$8.27$16K
Jan 17, 2023Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)5K$8.65$43K
Dec 28, 2022Tyler Donald GDirectorBuy(P)130$8.45$1K
Dec 19, 2022Tyler Donald GDirectorSmall acquisition(L)200$9.20$2K
Sep 8, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)667$8.02$5K
Sep 8, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorSmall acquisition(L)1K$8.25$8K
Sep 8, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)5K$8.15$41K
Sep 7, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorSmall acquisition(L)100$8.25$825
Aug 2, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)6K$8.59$52K
Aug 2, 2022Sims Luke EPresident & CEO, DirectorSell(S)5K$8.59$43K
Jun 22, 2022Tyler Donald GDirectorSmall acquisition(L)486$8.09$4K
Jun 22, 2022Tyler Donald GDirectorSmall acquisition(L)400$8.20$3K
Jun 22, 2022Tyler Donald GDirectorSmall acquisition(L)114$8.13$927
Mar 10, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)4K$9.30$36K
Mar 10, 2022Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$9.30$12K
Mar 10, 2022Sims Luke EPresident & CEO, DirectorSell(S)5K$9.30$47K
Nov 4, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$9.75$11K
Nov 4, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)455$9.73$4K
Nov 3, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)778$9.65$8K
Nov 3, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)1K$9.64$10K
Nov 3, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$9.54$17K
Oct 28, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorSmall acquisition(L)242$9.25$2K
Oct 22, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorSmall acquisition(L)754$9.17$7K
Oct 1, 2021Bilkie Robert MDirectorOther(J)2K$0
Oct 1, 2021Bilkie Robert MDirectorOther(J)2K$0
Aug 17, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)317$9.31$3K
Aug 17, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)2K$9.28$16K
Aug 17, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)200$9.27$2K
Aug 17, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)43$9.29$399
Aug 16, 2021Sims Luke EPresident & CEO, DirectorSell(S)5K$9.15$46K
Aug 16, 2021Sims David CCFO, CCO, Secretary, Treasurer, DirectorBuy(P)100$9.23$923

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).