| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cosgrove Peter K | Executive Vice President & CCO | ONE CHEMUNG CANAL PLAZA, PO BOX 1522, ELMIRA | Kathleen E. Cook, Attorney-in-Fact, pursuant to Power of Attorney dated July 16, 2025 | 19 Feb 2026 | 0001785682 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHMG | COMMON STOCK | Award | $75,057 | +1,267 | +21% | $59.24 | 7,319 | 17 Feb 2026 | Direct |