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About NB Bancorp, Inc. (NBBK)
NB Bancorp, Inc. is an SEC registrant, filing under CIK 0001979330, classified as savings institutions, not federally chartered. We track it alongside the rest of the Financials sector.
NBBK Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 2 | 2,200 | $48K |
| Open-market sale | 1 | 2,000 | $46K |
NBBK insider transactions (Form 4)
4248 Form 4 filings on record, the earliest from Nov 19, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 2,000 | $21.75 | $44K | |
| Jean-Pierre Lapointe - Officer | Open-market purchase | Common Stock | 200 | $21.80 | $4K | |
| Kevin Henkin - Officer | Open-market sale | Common Stock | 2,000 | $22.93 | $46K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 500 | $19.16 | $10K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 133 | $19.17 | $3K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 400 | $19.18 | $8K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 100 | $19.18 | $2K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 767 | $19.18 | $15K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 500 | $19.19 | $10K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 253 | $19.20 | $5K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 100 | $19.21 | $2K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 247 | $19.21 | $5K | |
| Joseph P. Campanelli - Officer | Tax withholding / forfeiture | Common Stock | 24,371 | $19.82 | $483K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 722 | $19.45 | $14K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 320 | $19.33 | $6K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 180 | $19.34 | $3K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 500 | $19.37 | $10K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 178 | $19.46 | $3K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 100 | $19.47 | $2K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 500 | $19.63 | $10K | |
| William Darcey - Director | Tax withholding / forfeiture | Common Stock | 4,918 | $19.82 | $97K | |
 Angela Jackson - Director | Tax withholding / forfeiture | Common Stock | 4,918 | $19.82 | $97K | |
 Mark Whalen - Director | Tax withholding / forfeiture | Common Stock | 4,918 | $19.82 | $97K | |
| Joseph R. Nolan Jr. - Director | Tax withholding / forfeiture | Common Stock | 4,918 | $19.82 | $97K | |
| Kenneth C. Montgomery - Director | Tax withholding / forfeiture | Common Stock | 5,015 | $19.82 | $99K | |
| Christopher R. Lynch - Director | Tax withholding / forfeiture | Common Stock | 4,150 | $19.82 | $82K | |
| Christine Roberts - Officer | Tax withholding / forfeiture | Common Stock | 3,589 | $19.82 | $71K | |
| Hope Pascucci - Director | Open-market purchase | Common Stock | 10,000 | $19.44 | $194K | |
| Hope Pascucci - Director | Open-market purchase | Common Stock | 10,000 | $19.49 | $195K | |
| Matthew G. Schulman - Officer | Grant or award | Common Stock | 6,980 footnote F1 | $0.00 | - | |
| ||||||
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 2,000 | $20.78 | $42K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 3,000 | $20.77 | $62K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 2,500 | $20.16 | $50K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 2,000 | $20.78 | $42K | |
| Joseph P. Campanelli - Officer | Open-market purchase | Common Stock | 3,000 | $20.77 | $62K | |
| Jean-Pierre Lapointe - Officer | Open-market purchase | Common Stock | 1,000 | $20.42 | $20K | |
| Joseph P. Campanelli - Officer | Grant or award | Common Stock | 63,015 footnote F1 | $0.00 | - | |
| ||||||
| James J. White - Officer | Grant or award | Common Stock | 6,874 footnote F1 | $0.00 | - | |
| ||||||
| Paul A. Evangelista - Officer | Grant or award | Common Stock | 6,874 footnote F1 | $0.00 | - | |
| ||||||
| Kevin Henkin - Officer | Grant or award | Common Stock | 6,874 footnote F1 | $0.00 | - | |
| ||||||
| Matthew Richardson - Officer | Grant or award | Common Stock | 13,749 footnote F1 | $0.00 | - | |
| ||||||
| Jean-Pierre Lapointe - Officer | Grant or award | Common Stock | 13,749 footnote F1 | $0.00 | - | |
| ||||||
Item 2.02, 7.01, 8.01, 9.01
Item 8.01, 9.01
Item 8.01
Item 5.07
NBBK insider trading FAQ
What is the latest insider trade for NBBK?
NB Bancorp, Inc. (NBBK) had 3 insider filings in the last 90 days, with the most recent on 2026-08-21. The full record for NBBK runs to 48 Form 4 filings, the earliest from 2024-11-19. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying NBBK stock?
2 insider purchases of NBBK were filed in the last 90 days, totaling $48K.
How many insiders are selling NBBK stock?
1 insider sale of NBBK was filed in the last 90 days, totaling $46K.
Where can I see NBBK SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects NBBK Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Financials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Joseph P. Campanelli view on EDGAR
- - Jean-Pierre Lapointe view on EDGAR
- - Kevin Henkin view on EDGAR
- - Joseph P. Campanelli view on EDGAR
- - Christopher R. Lynch view on EDGAR
- - Kenneth C. Montgomery view on EDGAR
- - Joseph R. Nolan Jr. view on EDGAR
- - Mark Whalen view on EDGAR
- - Angela Jackson view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Insider activity in Financials
- Where NBBK's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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