| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cannucciari Christopher | Director | 302 MAIN STREET, CATSKILL | /s/ Christopher Cannucciari | 03 Mar 2026 | 0002043740 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GCBC | Common Stock | Purchase | $28,665 | +1,300 | +42% | $22.05 | 4,378 | 02 Mar 2026 | Direct | |
| holding | GCBC | Common Stock | 310 | 02 Mar 2026 | By 401(k) plan | ||||||
| holding | GCBC | Common Stock | 38 | 02 Mar 2026 | As custodian for children |