NBBK · ISSUER CIK 1979330
NB Bancorp, Inc.
Between Jul 31, 2026 and Oct 28, 2026, 3 NB Bancorp, Inc. insiders reported $48K of open-market purchases and $46K of sales on SEC Form 4. The largest buyer was Campanelli Joseph P (President & CEO, Director, Chairman of the Board), with $44K.
↗3 insiders filed
Original Form 4 filings from Jul 31, 2026 to Oct 28, 2026. 0 of 1 sales were reported under a 10b5-1 plan.
$48KInsider buying
$46KInsider selling
+$2KNet open-market
Aug 21, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 21, 202616:57 | Aug 20, 2026 | NBBK | President & CEO, Director, Chairman of the Board | P · Buy | $21.75 | +2,000 | 379,790 | +1% | +$44K | -6.7% | +3.6% |
| Aug 21, 202616:05 | Aug 20, 2026 | NBBK | SEVP and CFO | P · Buy | $21.80 | +200 | 110,531 | +0% | +$4K | -6.5% | +3.3% |
| Aug 18, 202616:05 | Aug 14, 2026 | NBBK | EVP, Chief Credit Officer | S · Sell | $22.93 | −2,000 | 6,874 | -23% | −$46K |