| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Meisner Mary E | EVP & Chief Risk Ofcr. | ONE CHEMUNG CANAL PLAZA, P.O. BOX 1522, ELMIRA | Kathleen S. McKillip, Attorney-in-Fact, pursuant to Power of Attorney dated December 17, 2024. | 16 Jan 2026 | 0002050028 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CHMG | COMMON STOCK | 3,388 | 31 Dec 2025 | Direct |