23 insiders reported 91 Form 4 transactions for NB Bancorp, Inc. (NBBK) over the past 18 months (most recent 2026-08-21). Recent activity: CAMPANELLI JOSEPH P (President & CEO) Buy 2,000 shares, Lapointe Jean-Pierre (SEVP and CFO) Buy 200 shares, Henkin Kevin (EVP, Chief Credit Officer) Sell 2,000 shares, CAMPANELLI JOSEPH P (President & CEO) Buy 500 shares, CAMPANELLI JOSEPH P (President & CEO) Buy 133 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | CAMPANELLI JOSEPH P | President & CEO | Buy | 2,000 | $43,500 |
| 2026-08-21 | Lapointe Jean-Pierre | SEVP and CFO | Buy | 200 | $4,360 |
| 2026-08-18 | Henkin Kevin | EVP, Chief Credit Officer | Sell | 2,000 | $45,860 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 500 | $9,580 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 133 | $2,550 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 400 | $7,672 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 100 | $1,918 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 767 | $14,711 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 500 | $9,595 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 253 | $4,858 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 100 | $1,921 |
| 2026-05-18 | CAMPANELLI JOSEPH P | President & CEO | Buy | 247 | $4,745 |
| 2026-04-27 | Darcey William | Director | Sell | 4,918 | $97,475 |
| 2026-04-27 | Jackson Angela | Director | Sell | 4,918 | $97,475 |
| 2026-04-27 | Roberts Christine | SEVP and COO | Sell | 3,589 | $71,134 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Sell | 24,371 | $483,033 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 320 | $6,186 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 180 | $3,481 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 500 | $9,685 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 722 | $14,043 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 178 | $3,464 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 100 | $1,947 |
| 2026-04-27 | CAMPANELLI JOSEPH P | President & CEO | Buy | 500 | $9,815 |
| 2026-04-27 | NOLAN JOSEPH R JR | Director | Sell | 4,918 | $97,475 |
| 2026-04-27 | Whalen Mark | Director | Sell | 4,918 | $97,475 |
来源：SEC Form 4 申报文件 · 截至 2026-08-21