NBBK

NB Bancorp, Inc.

Latest Form 4:Purchase$44KbyCAMPANELLI JOSEPH P (President & CEO) · filed Aug 21, 2026

NB Bancorp, Inc. (NBBK) has 48 SEC Form 4 filings (67 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Aug 21, 2026.

Inside the rolling window, 7 insiders at NB Bancorp, Inc. reported 13 open-market purchases totaling $1.2M and 1 open-market sale totaling $46K. The most active filer is President & CEO CAMPANELLI JOSEPH P with 5 filings. Insiders have net bought $672K over the trailing 6 months. The most recent open-market filing is a purchase of 2,000 shares by President & CEO CAMPANELLI JOSEPH P, dated Aug 20, 2026, worth $44K.

  • Industry:Banks - Regional
  • CEO:Joseph Campanelli
  • Employees:376
  • HQ:Needham, MA, US
  • IPO:2023-12-29

Insider Buying

$1.2M

reported purchases (SEC code P)

Insider Selling

$46K

reported sales (SEC code S)

Unique Insiders

7

in the rolling window

Market Cap

$1.0B

latest known value

Source
CAMPANELLI JOSEPH PFirst in 3 months
Purchase$44KAug 21SEC ↗
Lapointe Jean-PierreFirst in 6 months
Purchase$4KAug 21SEC ↗
Henkin KevinFirst filing
Sale$46KAug 18SEC ↗
Purchase$58KMay 18SEC ↗
Purchase$49KApr 27SEC ↗
Pascucci HopeFirst in 6 months
Purchase$389KApr 24SEC ↗
Purchase$104KMar 20SEC ↗
Purchase$50KMar 19SEC ↗
Purchase$20KMar 9SEC ↗
Elliott Mary SusanFirst filing
Purchase$187KJan 30SEC ↗
Elliott Mary SusanFirst filing
Purchase$31KJan 30SEC ↗
EVANGELISTA PAUL AFirst filing
Purchase$42KDec 19SEC ↗
Pascucci HopeFirst filing
Purchase$85KOct 29SEC ↗
Purchase$92KSep 15SEC ↗

Frequently asked questions

How many SEC Form 4 insider filings does NBBK have?

NB Bancorp, Inc. (NBBK) has 48 SEC Form 4 filings (67 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Aug 21, 2026.

When was the most recent SEC Form 4 filing for NBBK?

The most recent Form 4 filing for NBBK on Tracefour is dated Aug 21, 2026.

Who is the most active insider at NBBK?

The most active SEC Form 4 filer at NBBK in the rolling window is President & CEO CAMPANELLI JOSEPH P, with 5 filings.

What is the net insider flow at NBBK over the last 6 months?

Over the trailing 180 days, insiders at NBBK have net bought $672K based on SEC Form 4 disclosures.

What is the total insider buy and sell value at NBBK in the current window?

Inside the rolling window, insiders at NBBK bought $1.2M and sold $46K based on SEC Form 4 filings.

Can I get alerts for NBBK insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at NB Bancorp, Inc. (NBBK). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

NB Bancorp, Inc. is in the Finance & Insurance sector.