| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Halliday Sarah A | EVP/Chief Comm Innovation Off | 52 SOUTH BROAD STREET, NORWICH | By: Annette L. Burns, Power of Attorney For: Sarah A. Halliday | 16 Jan 2026 | 0001707868 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $12,676 | -290 | -1% | $43.71 | 27,897 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $14,905 | -341 | -1.2% | $43.71 | 27,556 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $13,725 | -314 | -1.1% | $43.71 | 27,242 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $13,594 | -311 | -1.1% | $43.71 | 26,931 | 15 Jan 2026 | Direct | |
| transaction | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | $12,938 | -296 | -1.1% | $43.71 | 26,635 | 15 Jan 2026 | Direct | |
| holding | NBTB | NBT Bancorp Inc. Common Stock | 7,403 | 15 Jan 2026 | 401k |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | NBTB | Phantom Stock | 5,145 | 15 Jan 2026 | NBT Bancorp Inc. Common Stock | 5,145 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan. |