| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stempin John J | Controller | 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 | 0001954922 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHMG | COMMON STOCK | Award | $7,523 | +127 | +35% | $59.24 | 487 | 17 Feb 2026 | Direct |