| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Brust John | Director | 302 MAIN STREET, CATSKILL | /s/ John Brust | 01 Nov 2025 | 0002092267 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | GCBC | Common Stock | 2,100 | 01 Nov 2025 | By 401(k) |