The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 20, 2026 | Lapointe Jean-Pierre | SEVP and CFO | Buy(P) | 200 | $21.80 | $4K |
| Aug 20, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 2K | $21.75 | $44K |
| Aug 14, 2026 | Henkin Kevin | EVP, Chief Credit Officer | Sell(S) | 2K | $22.93 | $46K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 500 | $19.16 | $10K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 133 | $19.17 | $3K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 400 | $19.18 | $8K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 100 | $19.18 | $2K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 767 | $19.18 | $15K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 500 | $19.19 | $10K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 253 | $19.20 | $5K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 100 | $19.21 | $2K |
| May 15, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 247 | $19.21 | $5K |
| Apr 24, 2026 | Pascucci Hope | Director | Buy(P) | 10K | $19.44 | $194K |
| Apr 24, 2026 | Pascucci Hope | Director | Buy(P) | 10K | $19.49 | $195K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Tax withholding(F) | 24K | $19.82 | $483K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 320 | $19.33 | $6K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 180 | $19.34 | $3K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 500 | $19.37 | $10K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 722 | $19.45 | $14K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 178 | $19.46 | $3K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 100 | $19.47 | $2K |
| Apr 24, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 500 | $19.63 | $10K |
| Apr 24, 2026 | Darcey William | Director | Tax withholding(F) | 5K | $19.82 | $97K |
| Apr 24, 2026 | Montgomery Kenneth C. | Director | Tax withholding(F) | 5K | $19.82 | $99K |
| Apr 24, 2026 | Jackson Angela | Director | Tax withholding(F) | 5K | $19.82 | $97K |
| Apr 24, 2026 | Lynch Christopher R. | Director | Tax withholding(F) | 4K | $19.82 | $82K |
| Apr 24, 2026 | Roberts Christine | SEVP and COO | Tax withholding(F) | 4K | $19.82 | $71K |
| Apr 24, 2026 | Nolan Joseph R JR | Director | Tax withholding(F) | 5K | $19.82 | $97K |
| Apr 24, 2026 | Whalen Mark | Director | Tax withholding(F) | 5K | $19.82 | $97K |
| Mar 19, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 3K | $20.16 | $50K |
| Mar 9, 2026 | Lapointe Jean-Pierre | SEVP and CFO | Buy(P) | 1K | $20.42 | $20K |
| Mar 9, 2026 | Schulman Matthew G | EVP, President Needham Prv Bnk | Grant(A) | 7K | — | $0 |
| Mar 6, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 2K | $20.78 | $42K |
| Mar 6, 2026 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 3K | $20.77 | $62K |
| Feb 25, 2026 | Maiona Stephanie | EVP, Dir CRE Banking | Grant(A) | 7K | — | $0 |
| Feb 25, 2026 | Daley James B. | EVP - Dir C&I Banking | Grant(A) | 7K | — | $0 |
| Feb 25, 2026 | Roberts Christine | SEVP and COO | Grant(A) | 14K | — | $0 |
| Feb 25, 2026 | Lapointe Jean-Pierre | SEVP and CFO | Grant(A) | 14K | — | $0 |
| Feb 25, 2026 | Richardson Matthew | EVP, Treasury & Cash Mgmt Svcs | Grant(A) | 14K | — | $0 |
| Feb 25, 2026 | Henkin Kevin | EVP, Chief Credit Officer | Grant(A) | 7K | — | $0 |
| Feb 25, 2026 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Grant(A) | 7K | — | $0 |
| Feb 25, 2026 | White James J. | EVP, Chief Administrative Offc | Grant(A) | 7K | — | $0 |
| Feb 25, 2026 | Campanelli Joseph P | President & CEO, Director | Grant(A) | 63K | — | $0 |
| Jan 2, 2026 | Darcey William | Director | Grant(A) | 2K | — | $0 |
| Jan 2, 2026 | Orfanello Francis | Director | Grant(A) | 5K | — | $0 |
| Jan 2, 2026 | Pascucci Hope | Director | Grant(A) | 2K | — | $0 |
| Jan 2, 2026 | Raza Muhammad | Director | Grant(A) | 2K | — | $0 |
| Jan 2, 2026 | Nolan Joseph R JR | Director | Grant(A) | 2K | — | $0 |
| Jan 2, 2026 | Jackson Angela | Director | Grant(A) | 2K | — | $0 |
| Jan 2, 2026 | Montgomery Kenneth C. | Director | Grant(A) | 5K | — | $0 |
| Jan 2, 2026 | Whalen Mark | Director | Grant(A) | 2K | — | $0 |
| Jan 2, 2026 | Lynch Christopher R. | Director | Grant(A) | 8K | — | $0 |
| Jan 2, 2026 | Elliott Mary Susan | Director | Grant(A) | 6K | — | $0 |
| Jan 2, 2026 | Ayoub Paul J. | Director | Grant(A) | 7K | — | $0 |
| Jan 2, 2026 | Reilly Joseph B | Director | Grant(A) | 2K | — | $0 |
| Dec 19, 2025 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 2K | $20.87 | $42K |
| Nov 10, 2025 | Lynch Christopher R. | Director | Gift(G) | 3K | — | $0 |
| Oct 30, 2025 | Lynch Christopher R. | Director | Gift(G) | 600 | — | $0 |
| Oct 28, 2025 | Pascucci Hope | Director | Buy(P) | 5K | $18.07 | $85K |
| Sep 16, 2025 | Lynch Christopher R. | Director | Gift(G) | 600 | — | $0 |
| Sep 12, 2025 | Montgomery Kenneth C. | Director | Buy(P) | 5K | $18.44 | $92K |
| Sep 10, 2025 | Lynch Christopher R. | Director | Gift(G) | 600 | — | $0 |
| Sep 9, 2025 | Lynch Christopher R. | Director | Gift(G) | 600 | — | $0 |
| Aug 11, 2025 | Darcey William | Director | Buy(P) | 139 | $17.29 | $2K |
| Aug 11, 2025 | Darcey William | Director | Buy(P) | 5K | $17.30 | $84K |
| Jul 25, 2025 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 500 | $18.39 | $9K |
| Jun 10, 2025 | Bakkala Peter | EVP and Chief Risk Officer | Discretionary(I) | 13K | $16.59 | $222K |
| Jun 9, 2025 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 900 | $16.35 | $15K |
| Jun 9, 2025 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 100 | $16.33 | $2K |
| Jun 9, 2025 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 1K | $16.03 | $16K |
| Jun 9, 2025 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 5K | $16.29 | $81K |
| Jun 9, 2025 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 1K | $16.29 | $16K |
| May 2, 2025 | Elliott Mary Susan | Director | Buy(P) | 1K | $21.39 | $31K |
| Apr 29, 2025 | Orfanello Francis | Director | Buy(P) | 5K | $17.09 | $85K |
| Apr 24, 2025 | Ayoub Paul J. | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Darcey William | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Elliott Mary Susan | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Jackson Angela | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Lynch Christopher R. | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Orfanello Francis | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Pascucci Hope | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Montgomery Kenneth C. | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Raza Muhammad | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Whalen Mark | Director | Grant(A) | 75K | — | $0 |
| Apr 24, 2025 | Roberts Christine | EVP and COO | Grant(A) | 61K | — | $0 |
| Apr 24, 2025 | Campanelli Joseph P | President & CEO, Director | Grant(A) | 274K | — | $0 |
| Apr 24, 2025 | Lapointe Jean-Pierre | EVP and CFO | Grant(A) | 91K | — | $0 |
| Apr 24, 2025 | Nolan Joseph R JR | Director | Grant(A) | 75K | — | $0 |
| Mar 18, 2025 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 500 | $18.74 | $9K |
| Mar 11, 2025 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 2K | $17.75 | $36K |
| Jan 24, 2025 | Elliott Mary Susan | Director | Buy(P) | 10K | $18.72 | $187K |
| Jan 24, 2025 | Lapointe Jean-Pierre | EVP and CFO | Buy(P) | 900 | $18.85 | $17K |
| Jan 24, 2025 | Pascucci Hope | Director | Buy(P) | 40K | $18.53 | $741K |
| Nov 19, 2024 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 500 | $19.91 | $10K |
| Sep 19, 2024 | Montgomery Kenneth C. | Director | Buy(P) | 100 | $18.62 | $2K |
| Sep 19, 2024 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 500 | $18.73 | $9K |
| Aug 26, 2024 | Evangelista Paul A | EVP, Dir Spec. Bank. Ctr. | Buy(P) | 500 | $18.87 | $9K |
| Aug 5, 2024 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 3K | $16.44 | $49K |
| Aug 2, 2024 | Lapointe Jean-Pierre | EVP and CFO | Buy(P) | 3K | $17.49 | $52K |
| Aug 2, 2024 | Campanelli Joseph P | President & CEO, Director | Buy(P) | 5K | $17.49 | $87K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: NB Bancorp, Inc., SEC CIK 0001979330. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under NBBK and shows every filing by that issuer.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-12. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for NBBK