| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McKim Dale M. III | EVP, CFO & Treasurer | ONE CHEMUNG CANAL PLAZA, PO BOX 1522, ELMIRA | Kathleen E. Cook, Attorney in Fact, Pursuant to Power of Attorney dated 6/25/2025 | 02 Mar 2026 | 0001982520 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHMG | COMMON STOCK | Tax liability | $8,161 | -147 | -2.1% | $55.52 | 6,933 | 27 Feb 2026 | Direct |