GCBC Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$356K
5 insiders
Open-Market Sells (180d)
$288K
1 insiders
Net Insider Flow
$68K
open market, 180d
Reporting Insiders
6
9 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

80 shown
DateInsiderRoleActionSharesPriceValue
Jun 11, 2026Plummer Michelle MDirectorSell(S)10K$28.77$288K
Apr 28, 2026Brust JohnDirectorBuy(P)2K$24.50$50K
Apr 27, 2026Brust JohnDirectorBuy(P)1K$24.05$25K
Apr 27, 2026Brust JohnDirectorBuy(P)1K$24.06$25K
Mar 18, 2026Hada Tejraj SDirectorBuy(P)4K$21.95$88K
Mar 18, 2026Hogan Peter W.DirectorBuy(P)3K$22.10$66K
Mar 17, 2026Hada Tejraj SDirectorBuy(P)2K$21.99$44K
Mar 5, 2026Barzee NickSVP and CFOBuy(P)1K$22.55$29K
Mar 2, 2026Cannucciari ChristopherDirectorBuy(P)1K$22.05$29K
Nov 19, 2025Hada Tejraj SDirectorSmall acquisition(L)268$21.95$6K
Nov 18, 2025Antalek JohnEVP and CLOBuy(P)2K$22.00$33K
Nov 18, 2025Hada Tejraj SDirectorBuy(P)3K$21.96$66K
Nov 14, 2025Hada Tejraj SDirectorBuy(P)366$22.00$8K
Nov 5, 2025Hada Tejraj SDirectorBuy(P)2K$22.52$34K
Nov 4, 2025Hada Tejraj SDirectorBuy(P)45$22.20$999
Nov 3, 2025Hada Tejraj SDirectorBuy(P)235$21.80$5K
Oct 29, 2025Cannucciari ChristopherDirectorBuy(P)423$22.79$10K
Oct 29, 2025Gibson Donald EPresident and CEO, DirectorBuy(P)500$21.75$11K
Oct 29, 2025Gibson Donald EPresident and CEO, DirectorBuy(P)500$22.00$11K
Oct 28, 2025Cannucciari ChristopherDirectorBuy(P)706$22.91$16K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)402$22.72$9K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)810$22.58$18K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)150$22.69$3K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)600$22.75$14K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)101$22.78$2K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)2K$22.82$39K
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)27$22.60$610
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)10$22.62$226
Oct 24, 2025Cahalan Jay P.DirectorBuy(P)500$22.67$11K
Jun 11, 2025Gibson Donald EPresident and CEO, DirectorGift(G)125K$0
Jun 11, 2025Gibson Donald EPresident and CEO, DirectorGift(G)125K$0
May 15, 2025Hada Tejraj SDirectorBuy(P)388$22.95$9K
May 14, 2025Hada Tejraj SDirectorBuy(P)7K$22.95$152K
May 5, 2025Cannucciari ChristopherDirectorBuy(P)10$22.50$225
May 5, 2025Cannucciari ChristopherDirectorBuy(P)38$22.50$855
May 2, 2025Cannucciari ChristopherDirectorBuy(P)28$22.33$625
May 2, 2025Cannucciari ChristopherDirectorBuy(P)105$22.33$2K
May 1, 2025Cannucciari ChristopherDirectorBuy(P)290$22.20$6K
Apr 25, 2025Barzee NickSVP and CFOBuy(P)2K$21.50$32K
Mar 19, 2025Hada Tejraj SDirectorBuy(P)1K$23.26$23K
Mar 19, 2025Hada Tejraj SDirectorBuy(P)4K$23.50$94K
Mar 19, 2025Hada Tejraj SDirectorBuy(P)2K$23.25$47K
Feb 28, 2025Cahalan Jay P.DirectorBuy(P)2K$26.94$48K
Feb 27, 2025Cahalan Jay P.DirectorBuy(P)2K$26.45$51K
Jan 31, 2025Barzee NickSVP and CFOBuy(P)840$26.50$22K
Nov 1, 2024Hada Tejraj SDirectorBuy(P)2K$28.00$56K
Oct 25, 2024Barzee NickSVP and CFOBuy(P)892$28.57$25K
Jun 18, 2024Plummer Michelle MSEVP, CFO & COO, DirectorSell(S)9K$30.56$274K
Jun 17, 2024Plummer Michelle MSEVP, CFO & COO, DirectorSell(S)200$30.40$6K
Jun 13, 2024Plummer Michelle MSEVP, CFO & COO, DirectorSell(S)3K$30.32$96K
May 15, 2024Cahalan Jay P.DirectorSell(S)2K$31.62$55K
May 15, 2024Cahalan Jay P.DirectorSell(S)2K$31.68$48K
May 15, 2024Cahalan Jay P.DirectorSell(S)2K$31.67$74K
May 15, 2024Cahalan Jay P.DirectorSell(S)1K$31.64$46K
Sep 18, 2023Hada Tejraj SDirectorBuy(P)1K$24.50$25K
Aug 14, 2023Gibson Donald EPresident and CEO, DirectorSell(S)537$35.70$19K
Aug 4, 2023Gibson Donald EPresident and CEO, DirectorSell(S)2K$34.75$61K
Aug 4, 2023Gibson Donald EPresident and CEO, DirectorSell(S)2K$34.50$65K
Jul 31, 2023Gibson Donald EPresident and CEO, DirectorSell(S)18$34.50$621
Jul 28, 2023Gibson Donald EPresident and CEO, DirectorSell(S)90$34.50$3K
Jun 7, 2023Plummer Michelle MSEVP, CFO & COO, DirectorSell(S)10K$28.35$284K
May 8, 2023Hada Tejraj SDirectorBuy(P)2K$18.20$36K
Feb 28, 2023Cahalan Jay P.DirectorBuy(P)720$56.95$41K
Feb 10, 2023Hada Tejraj SDirectorBuy(P)566$48.00$27K
Jan 27, 2023Nelson Stephen EDirectorSell(S)5K$47.00$229K
Jan 26, 2023Hada Tejraj SDirectorBuy(P)250$46.50$12K
Jan 26, 2023Hada Tejraj SDirectorBuy(P)250$46.30$12K
Jan 26, 2023Hada Tejraj SDirectorBuy(P)250$46.20$12K
Jan 26, 2023Hada Tejraj SDirectorBuy(P)250$46.40$12K
Dec 7, 2022Nelson Stephen EDirectorBuy(P)309$73.84$23K
Jun 14, 2022Cahalan Jay P.DirectorBuy(P)1K$45.00$48K
Jun 13, 2022Gibson Donald EPresident and CEO, DirectorBuy(P)459$45.00$21K
Jun 13, 2022Gibson Donald EPresident and CEO, DirectorBuy(P)500$44.00$22K
Jun 10, 2022Gibson Donald EPresident and CEO, DirectorBuy(P)41$45.00$2K
Jun 1, 2022Slutzky PaulDirectorSell(S)2K$55.19$131K
May 31, 2022Gibson Donald EPresident and CEO, DirectorSell(S)4K$56.00$224K
May 27, 2022Gibson Donald EPresident and CEO, DirectorSell(S)5K$55.00$275K
Feb 17, 2022Cahalan Jay P.DirectorBuy(P)770$39.00$30K
Nov 26, 2021Gibson Donald EPresident and CEO, DirectorBuy(P)200$33.01$7K
Nov 20, 2005Hada Tejraj SDirectorBuy(P)1K$21.95$22K

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).