Summary
Updated Aug 31, 2026
Joseph P. Campanelli is President & CEO, Director of NB Bancorp, Inc. (NBBK). 9 SEC Form 4 filings on record going back to 2025, most recently on 21 August 2026. Most recent open-market trade: bought $44K of NBBK on 21 August 2026. Lifetime open-market purchases: $522K. Historical track record: 5/5 stars across 25 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction Joseph P. Campanelli has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★★★ (5/5) |
| Total purchases tracked | 25 |
| Purchases with forward-return data | 25 |
| 30-day win rate | 100% |
| 90-day win rate | 80% |
| Avg 5-day return | +0.80% |
| Avg 30-day return | +6.25% |
| Avg 90-day return | +12.09% |
| Best 30-day return | +16.65% |
Trading Pattern
InsiderAlpha's records for Joseph P. Campanelli go back to 2025: 9 primary Form 4 filings, an average of 4.5 per year. The typical open-market purchase is $20K (26 buys totaling $522K). The largest single buy on record is $81K of NBBK in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Joseph P. Campanelli files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Hope Pascucci - $474K of NBBK open-market activity in the last 12 months
- Mary Susan Elliott - $218K of NBBK open-market activity in the last 12 months
- Kenneth C. Montgomery - $92K of NBBK open-market activity in the last 12 months
- Kevin Henkin - $46K of NBBK open-market activity in the last 12 months
- Jean-Pierre Lapointe - $25K of NBBK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Joseph P. Campanelli?
Joseph P. Campanelli is a corporate insider, tracked as President & CEO, Director of NB Bancorp, Inc. (NBBK). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Joseph P. Campanelli submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Joseph P. Campanelli been buying or selling stock?
Recorded transactions: 26 open-market purchases ($522K) and 0 open-market sales across all tracked filings.
How accurate is Joseph P. Campanelli's historical track record?
Across 25 tracked purchases, Joseph P. Campanelli averaged +6.3% avg 30-day return with a 100% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
Where can I see all of Joseph P. Campanelli's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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