| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kenefick Jeffrey P. | Regional President | ONE CHEMUNG CANAL PLAZA, P.O. BOX 1522, ELMIRA | Kathleen E. Cook, Attorney-in-Fact, pursuant to Power of Attorney dated July 16, 2025 | 17 Dec 2025 | 0001836770 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHMG | COMMON STOCK | Tax liability | $6,286 | -106 | -1% | $59.30 | 10,441 | 15 Dec 2025 | Direct | F1 |
| transaction | CHMG | COMMON STOCK | Tax liability | $3,039 | -51 | -0.49% | $59.59 | 10,390 | 16 Dec 2025 | Direct | F1 |
| holding | CHMG | COMMON STOCK | 2,988 | 15 Dec 2025 | By Qualified Plan | F1 |
| Id | Content |
|---|---|
| F1 | Includes dividends issued periodically under the Issuer's Dividend Reinvestment Plan. |