| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Antalek John | EVP and CLO | 302 MAIN STREET, CATSKILL | /s/ John Antalek | 19 Nov 2025 | 0002001764 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GCBC | Common Stock | Purchase | $33,000 | +1,500 | +25% | $22.00 | 7,567 | 18 Nov 2025 | By 401(k) | |
| holding | GCBC | Common Stock | 1,023 | 18 Nov 2025 | By ESOP | ||||||
| holding | GCBC | Common Stock | 600 | 18 Nov 2025 | Direct |