| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Meisner Mary E | EVP & Chief Risk Ofcr. | ONE CHEMUNG CANAL PLAZA, P.O. BOX 1522, ELMIRA | Kathleen E. Cook, Attorney-in-Fact, pursuant to Power of Attorney dated July 16, 2025 | 02 Mar 2026 | 0002050028 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHMG | COMMON STOCK | Tax liability | $4,386 | -79 | -1.7% | $55.52 | 4,449 | 27 Feb 2026 | Direct |