Northfield Bancorp Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -13.75. In total, the insiders bought 413.17K and sold 108.32M NFBK 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)
-13.75
Buy 413.17K shares
Sell 108.32M shares
28% Buy Activity
Weak Positive Correlation
Sell Signal Low Confidence
Jul 20, 2026

Analysis Breakdown:

  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Feb 04, 2026
Buy
Common Stock
A-Award
Lefkowitz Robin
EVP
Officer 6 939
Value: $95.0K
Feb 04, 2026
Buy
Common Stock
A-Award
Connors John P Jr
Director
Director 4 383
Value: $60.0K
Feb 04, 2026
Buy
Common Stock
A-Award
Catino Annette
Director
Director 4 383
Value: $60.0K
Feb 04, 2026
Buy
Common Stock
A-Award
Tomasello Vickie
EVP/chief Risk Officer
Officer 6 483
Value: $88.8K
Feb 04, 2026
Buy
Common Stock
A-Award
Kulkarni Rachana A
Director
Director 4 383
Value: $60.0K
Feb 04, 2026
Buy
Common Stock
A-Award
Fasanella David
EVP
Officer 7 533
Value: $103.1K
Feb 04, 2026
Buy
Common Stock
A-Award
Kessler Karen J.
Director
Director 4 383
Value: $60.0K
Feb 04, 2026
Buy
Common Stock
A-Award
Harrison Timothy C
Director
Director 4 383
Value: $60.0K
Jan 29, 2026
Sell
Common Stock
F-InKind
Jacobs William R.
EVP & Pao
Officer 482
Value: $6K
Jan 29, 2026
Sell
Common Stock
F-InKind
Klein Steven M
Chairman, President & CEO
CEO / President 1 125
Value: $13.7K
Jan 29, 2026
Sell
Common Stock
F-InKind
Fasanella David
EVP
Officer 453
Value: $6K
Jan 27, 2026
Sell
Common Stock
F-InKind
Klein Steven M
Chairman, President & CEO
CEO / President 2 187
Value: $26.2K
Jan 27, 2026
Sell
Common Stock
F-InKind
Jacobs William R.
EVP & Pao
Officer 943
Value: $11.3K
Jan 27, 2026
Sell
Common Stock
F-InKind
Fasanella David
EVP
Officer 893
Value: $10.7K
Jan 26, 2026
Sell
Common Stock
F-InKind
Jacobs William R.
EVP & Pao
Officer 1 245
Value: $14.8K
Jan 26, 2026
Sell
Common Stock
F-InKind
Tomasello Vickie
EVP/chief Risk Officer
Officer 997
Value: $11.9K
Jan 26, 2026
Sell
Common Stock
F-InKind
Fasanella David
EVP
Officer 1 180
Value: $14.0K
Jan 26, 2026
Sell
Common Stock
F-InKind
Klein Steven M
Chairman, President & CEO
CEO / President 2 680
Value: $31.9K
Jan 24, 2026
Sell
Common Stock
F-InKind
Tomasello Vickie
EVP/chief Risk Officer
Officer 1 296
Value: $15.4K
Jan 24, 2026
Sell
Common Stock
F-InKind
Fasanella David
EVP
Officer 1 535
Value: $18.3K
Jan 24, 2026
Sell
Common Stock
F-InKind
Klein Steven M
Chairman, President & CEO
CEO / President 3 957
Value: $47.0K
Jan 24, 2026
Sell
Common Stock
F-InKind
Jacobs William R.
EVP & Pao
Officer 1 618
Value: $19.2K
Jun 20, 2025
Sell
Common Stock
S-Sale
Stahlin Paul
Director
Director 4 769
Value: $55.6K
Jun 20, 2025
Sell
Common Stock
S-Sale
Stahlin Paul
Director
Director 4 769
Value: $55.6K
Jun 18, 2025
Sell
Common Stock
S-Sale
Stahlin Paul
Director
Director 3 231
Value: $37.7K

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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ABOUT NORTHFIELD BANCORP
Northfield Bancorp, Inc. (Staten Island, NY) operates as the bank holding company for Northfield Bank that provides various banking services primarily to individuals and corporate customers. It accepts various deposits products, including certificates of deposit, passbook, statement, and money market savings accounts; transaction deposit accounts comprising negotiable orders of withdrawal accounts, and interest and non-interest-bearing checking a...
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