| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Barzee Nick | SVP and CFO | 302 MAIN STREET, CATSKILL | /s/ Nick Barzee | 05 Mar 2026 | 0002026687 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GCBC | Common Stock | Purchase | $28,864 | +1,280 | +40% | $22.55 | 4,520 | 05 Mar 2026 | By 401(k) | |
| holding | GCBC | Common Stock | 380 | 05 Mar 2026 | By ESOP |