SEC Form 4 · accession 0000790359-26-000055
NBT BANCORP INC · NBTB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ruth H Mahoney
Officer — EVP/President of Wealth Mgmt
Period of report
Jun 5, 2026
Accepted (ET)
Jun 8, 2026 · 8:41 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000790359
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| NBT Bancorp Inc. Common Stock | Jun 5, 2026 | S | 5,000 | $46.60 | D | 16,428 | D | |
| NBT Bancorp Inc. Common Stock | holding | — | — | — | 4,721 | I | 401k |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Phantom StockF1 | — | holding | — | — | — | — | — | NBT Bancorp Inc. Common Stock | 10,249 | 10,249 | D |
Explanation of responses
- F1Each 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.