| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gibson Donald E | President and CEO, Director | 302 MAIN STREET, CATSKILL | /s/ Donald Gibson | 30 Oct 2025 | 0001405640 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GCBC | Common Stock | Purchase | $11,000 | +500 | $22 | 500 | 29 Oct 2025 | 401(k) | ||
| transaction | GCBC | Common Stock | Purchase | $10,875 | +500 | +100% | $21.75 | 1,000 | 29 Oct 2025 | 401(k) | |
| holding | GCBC | Common Stock | 125,100 | 29 Oct 2025 | By Trust | ||||||
| holding | GCBC | Common Stock | 45,095 | 29 Oct 2025 | By ESOP |