🕵️ NBT Bancorp Inc. ($NBTB)
SEC insider & ownership activity, last 12 months · CIK 790359 · every row links its SEC filing
Over the last 12 months insiders sold $2.4M against $1.5M of open-market buying. Timothy E. Delaney bought $1.5M (Oct–Jan). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $1.5M (4 lots) · 6 sellers, $2.4M (8 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Timothy E. Delaney | 4 | $1.5M | 0 | – | Jan 28, 2026 |
| John H. Watt Jr. | 0 | – | 1 | $996K | Jun 9, 2026 |
| Sarah A. Halliday | 0 | – | 1 | $486K | Jul 29, 2026 |
| Ruth H. Mahoney | 0 | – | 2 | $477K | Jul 29, 2026 |
| Wiles Amy | 0 | – | 1 | $203K | Feb 17, 2026 |
| Martin Sparks | 0 | – | 2 | $157K | Jun 12, 2026 |
| Heidi M. Hoeller | 0 | – | 1 | $101K | Jun 12, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Portfolio Management | 6.7% | 13G | Apr 29, 2026 | filing ↗ | |
| State Street Corporation | 5.3% | 13G | Aug 7, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.1% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Ruth H. Mahoney | $244K | Jul 29, 2026 | filing ↗ |
| Sarah Halliday | $486K | Jul 29, 2026 | filing ↗ |
| Martin Sparks | $58K | Jun 12, 2026 | filing ↗ |
| Heidi M. Hoeller | $101K | Jun 12, 2026 | filing ↗ |
| John H. Watt Jr. | $971K | Jun 9, 2026 | filing ↗ |
| Ruth H. Mahoney | $233K | Jun 5, 2026 | filing ↗ |
| Sarah A. Halliday | $180K | May 11, 2026 | filing ↗ |
| Martin Sparks | $99K | Mar 13, 2026 | filing ↗ |
| Amy Wiles-Morelli | $203K | Feb 17, 2026 | filing ↗ |
| Renaissance Charitable Foundation | $497K | Oct 31, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 8, 2026 | filing ↗ |
| Earnings (2.02) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 4, 2026 | filing ↗ |
| Earnings (2.02) | Apr 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 23, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 10, 2026 | filing ↗ |
| Earnings (2.02) | Jan 26, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Oct 27, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 27, 2025 | filing ↗ |