| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kingsley Scott Allen | President & CEO NBT Bancorp | 52 SOUTH BROAD STREET, NORWICH | By: Annette L. Burns, Power of Attorney For: Scott A. Kingsley | 16 Jan 2026 | 0001299684 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $13,463 | -308 | -0.65% | $43.71 | 47,121 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $15,036 | -344 | -0.73% | $43.71 | 46,777 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $26,838 | -614 | -1.3% | $43.71 | 46,163 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $32,914 | -753 | -1.6% | $43.71 | 45,410 | 15 Jan 2026 | Direct |