Insider Trading for GCBC
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
Acquisitions: 2.0K shares
Dispositions: 10.0K shares
Net: -8.0K shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: Nov 20, 2005 to Jun 11, 2026
PLUMMER MICHELLE M
DirectorDirector
-32.3K shares
5 transactions
Hada Tejraj S
DirectorDirector
+33.0K shares
23 transactions
Gibson Donald E
ExecutiveChief Executive Officer
-10.1K shares
16 transactions
NELSON STEPHEN E
DirectorDirector
-4.6K shares
4 transactions
Cahalan Jay P.
DirectorDirector
+5.3K shares
22 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 11, 2026 | PLUMMER MICHELLE M | DDirector | Sale | 10.0K | $28.77 | $287,700.00 | 99.6K | View |
| Apr 28, 2026 | Brust John | DDirector | Purchase | 2.0K | $24.50 | $50,004.50 | 6.2K | View |
| Apr 27, 2026 | Brust John | DDirector | Purchase | 1.0K | $24.06 | $25,022.40 | 4.2K | View |
Apr 27, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 17, 2026 | Locked | — | — | — | — | — | — | — |
Mar 5, 2026 | Locked | — | — | — | — | — | — | — |
Mar 2, 2026 | Locked | — | — | — | — | — | — | — |
Nov 19, 2025 | Locked | — | — | — | — | — | — | — |
Nov 18, 2025 | Locked | — | — | — | — | — | — | — |
Nov 18, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 5, 2025 | Locked | — | — | — | — | — | — | — |
Nov 4, 2025 | Locked | — | — | — | — | — | — | — |
Nov 3, 2025 | Locked | — | — | — | — | — | — | — |
Nov 1, 2025 | Locked | — | — | — | — | — | — | — |
Oct 29, 2025 | Locked | — | — | — | — | — | — | — |
Oct 29, 2025 | Locked | — | — | — | — | — | — | — |
Oct 29, 2025 | Locked | — | — | — | — | — | — | — |
Oct 28, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Oct 24, 2025 | Locked | — | — | — | — | — | — | — |
Jun 11, 2025 | Locked | — | — | — | — | — | — | — |
Jun 11, 2025 | Locked | — | — | — | — | — | — | — |
May 15, 2025 | Locked | — | — | — | — | — | — | — |
May 14, 2025 | Locked | — | — | — | — | — | — | — |
May 5, 2025 | Locked | — | — | — | — | — | — | — |
May 2, 2025 | Locked | — | — | — | — | — | — | — |
May 2, 2025 | Locked | — | — | — | — | — | — | — |
May 2, 2025 | Locked | — | — | — | — | — | — | — |
May 1, 2025 | Locked | — | — | — | — | — | — | — |
Apr 25, 2025 | Locked | — | — | — | — | — | — | — |
Mar 19, 2025 | Locked | — | — | — | — | — | — | — |
Mar 19, 2025 | Locked | — | — | — | — | — | — | — |
Mar 19, 2025 | Locked | — | — | — | — | — | — | — |
Feb 28, 2025 | Locked | — | — | — | — | — | — | — |
Feb 27, 2025 | Locked | — | — | — | — | — | — | — |
Jan 31, 2025 | Locked | — | — | — | — | — | — | — |
Nov 2, 2024 | Locked | — | — | — | — | — | — | — |
Nov 2, 2024 | Locked | — | — | — | — | — | — | — |
Nov 1, 2024 | Locked | — | — | — | — | — | — | — |
Oct 25, 2024 | Locked | — | — | — | — | — | — | — |
Jul 1, 2024 | Locked | — | — | — | — | — | — | — |
Jul 1, 2024 | Locked | — | — | — | — | — | — | — |
Jun 18, 2024 | Locked | — | — | — | — | — | — | — |
Jun 17, 2024 | Locked | — | — | — | — | — | — | — |
Jun 13, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
Nov 21, 2023 | Locked | — | — | — | — | — | — | — |
Nov 21, 2023 | Locked | — | — | — | — | — | — | — |
Nov 21, 2023 | Locked | — | — | — | — | — | — | — |
Sep 18, 2023 | Locked | — | — | — | — | — | — | — |
Aug 14, 2023 | Locked | — | — | — | — | — | — | — |
Aug 4, 2023 | Locked | — | — | — | — | — | — | — |
Aug 4, 2023 | Locked | — | — | — | — | — | — | — |
Jul 31, 2023 | Locked | — | — | — | — | — | — | — |
Jul 28, 2023 | Locked | — | — | — | — | — | — | — |
Jun 7, 2023 | Locked | — | — | — | — | — | — | — |
May 8, 2023 | Locked | — | — | — | — | — | — | — |
Feb 28, 2023 | Locked | — | — | — | — | — | — | — |
Feb 10, 2023 | Locked | — | — | — | — | — | — | — |
Jan 27, 2023 | Locked | — | — | — | — | — | — | — |
Jan 26, 2023 | Locked | — | — | — | — | — | — | — |
Jan 26, 2023 | Locked | — | — | — | — | — | — | — |
Jan 26, 2023 | Locked | — | — | — | — | — | — | — |
Jan 26, 2023 | Locked | — | — | — | — | — | — | — |
Dec 7, 2022 | Locked | — | — | — | — | — | — | — |
Nov 5, 2022 | Locked | — | — | — | — | — | — | — |
Jun 14, 2022 | Locked | — | — | — | — | — | — | — |
Jun 13, 2022 | Locked | — | — | — | — | — | — | — |
Jun 13, 2022 | Locked | — | — | — | — | — | — | — |
Jun 10, 2022 | Locked | — | — | — | — | — | — | — |
Jun 1, 2022 | Locked | — | — | — | — | — | — | — |
May 31, 2022 | Locked | — | — | — | — | — | — | — |
May 27, 2022 | Locked | — | — | — | — | — | — | — |
Feb 17, 2022 | Locked | — | — | — | — | — | — | — |
Nov 26, 2021 | Locked | — | — | — | — | — | — | — |
Apr 20, 2021 | Locked | — | — | — | — | — | — | — |
Apr 20, 2021 | Locked | — | — | — | — | — | — | — |
Feb 17, 2021 | Locked | — | — | — | — | — | — | — |
Jan 29, 2021 | Locked | — | — | — | — | — | — | — |
Jan 28, 2021 | Locked | — | — | — | — | — | — | — |
Jan 28, 2021 | Locked | — | — | — | — | — | — | — |
Jan 28, 2021 | Locked | — | — | — | — | — | — | — |
Dec 31, 2020 | Locked | — | — | — | — | — | — | — |
Dec 31, 2020 | Locked | — | — | — | — | — | — | — |
Dec 31, 2020 | Locked | — | — | — | — | — | — | — |
Sep 18, 2020 | Locked | — | — | — | — | — | — | — |
Nov 20, 2005 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of GCBC stock, though this may be part of planned diversification.