NASDAQ:NBBK

Nb Bancorp . Common Stock Stock Insider Trading

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*Your capital is at risk
$19.36
-0.660 (-3.30%)
At Close: Jun 03, 2026

Nb Bancorp . Common Stock Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 88.70. In total, the insiders bought 485.57K and sold 63.72K NBBK shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
88.70
Buy 485.57K shares
Sell 63.72K shares
84% Buy Activity
Moderate Positive Correlation
Sell Signal Low Confidence
Apr 24, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 88.7.
  • Partially supported by a positive historical correlation.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 247
Value: $5K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 100
Value: $2K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 253
Value: $5K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 500
Value: $10K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 767
Value: $14.7K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 100
Value: $2K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 400
Value: $8K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 133
Value: $3K
May 15, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 500
Value: $10K
Apr 24, 2026
Buy
Common Stock
J-Other
Lynch Christopher R.
Director 0
Value: $0
Apr 24, 2026
Buy
Common Stock
J-Other
Montgomery Kenneth C.
Director 0
Value: $0
Apr 24, 2026
Buy
Common Stock
J-Other
Nolan Joseph R Jr
Director 0
Value: $0
Apr 24, 2026
Buy
Common Stock
J-Other
Whalen Mark
Director 0
Value: $0
Apr 24, 2026
Buy
Common Stock
J-Other
Jackson Angela
Director 0
Value: $0
Apr 24, 2026
Buy
Common Stock
J-Other
Darcey William
Director 0
Value: $0
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 500
Value: $10K
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 100
Value: $2K
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 178
Value: $3K
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 722
Value: $14.0K
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 500
Value: $10K
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 180
Value: $3K
Apr 24, 2026
Buy
Common Stock
P-Purchase
Campanelli Joseph P
President & CEO
CEO / President 320
Value: $6K
Apr 24, 2026
Sell
Common Stock
F-InKind
Campanelli Joseph P
President & CEO
CEO / President 24 371
Value: $483.0K
Apr 24, 2026
Sell
Common Stock
F-InKind
Darcey William
Director
Director 4 918
Value: $97.5K
Apr 24, 2026
Sell
Common Stock
F-InKind
Jackson Angela
Director
Director 4 918
Value: $97.5K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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