NB Bancorp, Inc. (NBBK) insider buying and selling

NASDAQ: NBBK · Source: SEC Form 4 filings · Latest trade reported

In the last 90 days at NB Bancorp, Inc. (NBBK), 2 insiders made 2 open-market purchases worth $48K and 1 insider made 1 open-market sale worth $46K, as reported on SEC Form 4. Over the last 12 months, 2 insiders bought $144K of the stock, led by JOSEPH P CAMPANELLI (CEO), who bought $50K on Mar 19, 2026; 1 insider sold $46K.

Insider buys, 90 days
2
$48K · 2 insiders
Insider sales, 90 days
1
$46K · 1 insider
Insider buys, 12 months
10
$144K · 2 insiders
Insider sales, 12 months
1
$46K · 1 insider

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Recent open-market insider trades

Trades by the same insider within a week are shown as one line.

Open-market insider trades at NB Bancorp, Inc.
DateInsiderTypeSharesPriceValue
JOSEPH P CAMPANELLI
CEO
Open market purchase2,000$21.75$44K
Jean-Pierre Lapointe
CFO
Open market purchase200$21.80$4K
Kevin Henkin
EVP
Open market sale2,000$22.93$46K
JOSEPH P CAMPANELLI
CEO
Open market purchase
7 trades
2,400avg. $19.18$46K
JOSEPH P CAMPANELLI
CEO
Open market purchase2,500$20.16$50K

What the NBBK insider trades really mean

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Questions about NBBK insider trading

Who bought NB Bancorp, Inc. (NBBK) stock recently?

Insiders who bought NB Bancorp, Inc. stock on the open market in the last 12 months: JOSEPH P CAMPANELLI ($140K), Jean-Pierre Lapointe ($4K). The most recent purchase was reported on Aug 20, 2026.

Are insiders buying or selling NBBK?

Over the last 12 months insiders were net buyers of NBBK on discretionary trades: $144K bought against $46K sold (scheduled and tax-related sales excluded).

What is a sell-to-cover or 10b5-1 sale?

A 10b5-1 sale is scheduled in advance under a pre-arranged plan, and a sell-to-cover sale is made to pay tax on vesting shares. Neither is a fresh decision to sell, so they say less about an insider's view than a discretionary sale.

Where does this data come from?

Officers, directors and large shareholders report their trades to the SEC on Form 4. This page lists the open-market purchases and sales by individual insiders from those public filings; funds and other institutions are not shown.

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How to read this page

Officers, directors and large shareholders must report their trades in company shares to the SEC on Form 4. This page lists open-market purchases and sales by individual insiders: trades made on the stock exchange at the going price. Funds and other institutions are not shown here.

Information from SEC EDGAR Form 4 filings, shown for general information only. It is not financial advice and does not recommend buying or selling any security. Trades are shown by transaction date and may be reported up to two business days later.