Joseph P Campanelli bought $58k of NBBK
President & CEO at NB Bancorp, Inc.. 3,000 shares at an average of $19.18, traded May 15, 2026, filed May 18, 2026.
Score components
- +25RoleCEO
- +7Trade size$58k at market
- -5Relative to holdingsUnder 1% of holdings (0.8%)
- +4Price context15% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying5 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +3.5%, 3m +18.0%, 6m -.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001437749-26-017617, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 15, 2026 | POpen-market purchase Common Stock | +500 | $19.16 | $9,580 | 375,290 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +133 | $19.17 | $2,550 | 375,423 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +400 | $19.18 | $7,670 | 375,823 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +100 | $19.18 | $1,918 | 375,923 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +767 | $19.18 | $15k | 376,690 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +500 | $19.19 | $9,595 | 377,190 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +253 | $19.20 | $4,858 | 377,443 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +100 | $19.21 | $1,921 | 377,543 | May 18, 2026 |
| May 15, 2026 | POpen-market purchase Common Stock | +247 | $19.21 | $4,745 | 377,790 | May 18, 2026 |
Related signals
Other insiders at NB Bancorp, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 29Weak | NB Bancorp, Inc. | Joseph P Campanelli President & CEO | $44k 2,000 shares | +1% | |
| 25Weak | NB Bancorp, Inc. | Jean-Pierre Lapointe SEVP and CFO | $4,360 200 shares | +0% | |
| 26Weak | NBBKsell NB Bancorp, Inc. | Kevin Henkin EVP, Chief Credit Officer | $46k 2,000 shares | -23% | |
| 40Moderate | NB Bancorp, Inc. | Joseph P Campanelli President & CEO | $49k 2,500 shares | +1% | |
| 42Moderate | NB Bancorp, Inc. | Hope Pascucci director | $389k 20,000 shares | +16% | |
| 46Moderate | NB Bancorp, Inc. | Joseph P Campanelli President & CEO | $104k 5,000 shares | +11% | |
| 40Moderate | NB Bancorp, Inc. | Joseph P Campanelli President & CEO | $50k 2,500 shares | +1% | |
| 46Moderate | NB Bancorp, Inc. | Joseph P Campanelli President & CEO | $104k 5,000 shares | +11% | |
| 25Weak | NB Bancorp, Inc. | Jean-Pierre Lapointe SEVP and CFO | $20k 1,000 shares | +1% | |
| 30Weak | NBBKbuy NB Bancorp, Inc. | Mary Susan Elliott director | $218k 11,434 shares | +11% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.