| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hogan Peter W. | Director | 302 MAIN STREET, CATSKILL | /s/ Peter W. Hogan | 18 Mar 2026 | 0001592265 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GCBC | Common Stock | Purchase | $66,300 | +3,000 | +4.2% | $22.10 | 75,000 | 18 Mar 2026 | By 401(k) |