| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sparks Martin Randolph | EVP,General Counsel,Secretary | 52 SOUTH BROAD STREET, NORWICH | By: Annette L. Burns, Power of Attorney For: Martin Randolph Sparks | 17 Mar 2026 | 0001925416 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Sale | $99,120 | -2,400 | -17% | $41.30 | 11,350 | 13 Mar 2026 | Direct |