NBT Bancorp Inc. (NBTB) Insider Trading
Over the last 3 months, NBTB insiders made 0 open-market buys and 6 sales, a net sale of -$2.1M (SEC Form 4). Over the last 6 months, 204 institutions increased and 167 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$2.1M
Insider trades by month Buys Sells
Nov
Jan
Feb
Mar
Jun
Jul
Context3-month price +12.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 30, 2026 | Halliday Sarah Aofficer: EVP/Chief Comm Innovation Off | Sell | 9,000 | $54.04 |
| Jul 30, 2026 | Mahoney Ruth Hofficer: EVP/President of Wealth Mgmt | Sell | 4,500 | $54.30 |
| Jun 12, 2026 | Hoeller Heidi Mdirector | Sell | 2,100 | $48.03 |
| Jun 12, 2026 | Sparks Martin Randolphofficer: EVP,General Counsel,Secretary | Sell | 1,200 | $48.04 |
| Jun 10, 2026 | WATT JOHN H JRdirector | Sell | 21,000 | $47.42 |
| Jun 8, 2026 | Mahoney Ruth Hofficer: EVP/President of Wealth Mgmt | Sell | 5,000 | $46.60 |
| May 22, 2026 | Kowalczyk Andrew S IIIdirector | Grant | 1,128 | — |
| May 21, 2026 | WATT JOHN H JRdirector | Grant | 1,050 | — |
| May 21, 2026 | Brown Jason Daviddirector | Grant | 1,050 | — |
| May 21, 2026 | CANTELE RICHARD J JRdirector | Grant | 1,050 | — |
| May 21, 2026 | Hoeller Heidi Mdirector | Grant | 1,050 | — |
| May 21, 2026 | Robinson V Daniel IIdirector | Grant | 1,050 | — |
| May 21, 2026 | DIETRICH MARTIN Adirector | Grant | 1,050 | — |
| May 21, 2026 | Kowalczyk Andrew S IIIdirector | Grant | 1,050 | — |
| May 21, 2026 | Salanger Matthew Jdirector | Grant | 1,050 | — |
| May 21, 2026 | DELANEY TIMOTHY Edirector | Grant | 1,050 | — |
| May 21, 2026 | Ames Johanna Rdirector | Grant | 1,050 | — |
| May 21, 2026 | NASCA DAVID Jdirector | Grant | 1,050 | — |
| May 18, 2026 | Sparks Martin Randolphofficer: EVP,General Counsel,Secretary | Tax | 361 | $44.09 |
| May 18, 2026 | Smaniotto Cynthia Aofficer: EVP, Chief HR Officer | Tax | 285 | $44.09 |
| May 18, 2026 | Wiles Amyofficer: EVP, Chief Risk and Credit | Tax | 2,453 | $44.09 |
| Mar 25, 2026 | Smaniotto Cynthia Aofficer: SVP, Chief HR Officer | Grant | 212 | — |
| Mar 25, 2026 | Stagliano Joseph Rofficer: SEVP & President of NBT Bank | Tax | 789 | $41.99 |
| Mar 25, 2026 | Smaniotto Cynthia Aofficer: SVP, Chief HR Officer | Tax | 47 | $41.99 |
| Mar 25, 2026 | Mahoney Ruth Hofficer: EVP/President of Wealth Mgmt | Tax | 215 | $41.99 |
| Mar 25, 2026 | Burns Annette Lofficer: EVP & Chief Financial Officer | Tax | 21 | $41.99 |
| Mar 25, 2026 | Burns Annette Lofficer: EVP & Chief Financial Officer | Tax | 65 | $41.99 |
| Mar 25, 2026 | Smaniotto Cynthia Aofficer: SVP, Chief HR Officer | Tax | 15 | $41.99 |
| Mar 25, 2026 | Mahoney Ruth Hofficer: EVP/President of Wealth Mgmt | Grant | 2,507 | — |
| Mar 25, 2026 | Sparks Martin Randolphofficer: EVP,General Counsel,Secretary | Grant | 2,919 | — |
Source: NBTB SEC Form 4 filings, latest Jul 30, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their NBTB positions over the last 6 months (SEC Form 13F).
Increased
204
New positions
80
Reduced
167
Sold out
39
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 7.5M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 7.4M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 3.5M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 3.4M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 2.7M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 2.5M | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 2.4M | Aug 11, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 2.3M | May 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2.3M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.3M | May 15, 2026 |
| FMR LLC | Increased | 1.7M | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.4M | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.3M | May 15, 2026 |
| NORTHERN TRUST CORP | Increased | 719K | Aug 13, 2026 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Reduced | 693K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.