NYSE:NTIC

Northern Technologies International Stock Insider Trading

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$8.10
-0.0500 (-0.613%)
At Close: Jul 13, 2026

Northern Technologies International Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 83.26. In total, the insiders bought 7.75B and sold 73.83K NTIC 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)
83.26
Buy 7.75B shares
Sell 73.83K shares
91% Buy Activity
Weak Negative Correlation
Sell Signal Low Confidence
Jul 01, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 83.26.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Jul 01, 2026
Buy
Stock Option (right to buy)
M-Exempt
Wolsfeld Matthew C
CFO And Corporate Secretary
C-Suite Officer 11 879
Value: $79.6K
Jul 01, 2026
Sell
Common Stock
F-InKind
Wolsfeld Matthew C
CFO And Corporate Secretary
C-Suite Officer 9 169
Value: $79.6K
Jul 01, 2026
Buy
Common Stock
M-Exempt
Wolsfeld Matthew C
CFO And Corporate Secretary
C-Suite Officer 11 879
Value: $79.6K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Wolsfeld Matthew C
CFO And Corporate Secretary
C-Suite Officer 32 559
Value: $241.6K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Lynch G Patrick
President And CEO
CEO / President 44 051
Value: $326.9K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Von Falkenhausen Konstantin
Director
Director 16 287
Value: $120.8K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Lee Sunggyu
Director
Director 16 287
Value: $120.8K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Narayan Ramani
Director
Director 16 287
Value: $120.8K
Sep 01, 2025
Buy
Common Stock
A-Award
Nigon Richard
Director
Director 8 086
Value: $65.5K
Sep 01, 2025
Buy
Common Stock
A-Award
Kemp Sarah E.
Director
Director 6 739
Value: $54.6K
Sep 01, 2025
Buy
Common Stock
A-Award
Pinho Cristina Lucia Duarte
Director
Director 6 739
Value: $54.6K
Sep 01, 2025
Buy
Common Stock
A-Award
Calderon Nancy E.
Director
Director 6 739
Value: $54.6K
Sep 01, 2025
Buy
Common Stock
A-Award
Calderon Nancy E.
Director
Director 6 739
Value: $54.6K
Sep 01, 2025
Buy
Common Stock
A-Award
Pinho Cristina Lucia Duarte
Director
Director 6 739
Value: $54.6K
Sep 01, 2025
Buy
Common Stock
A-Award
Kemp Sarah E.
Director
Director 6 739
Value: $54.6K
Sep 01, 2025
Buy
Common Stock
A-Award
Nigon Richard
Director
Director 8 086
Value: $65.5K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Narayan Ramani
Director
Director 16 287
Value: $120.8K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Lee Sunggyu
Director
Director 16 287
Value: $120.8K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Von Falkenhausen Konstantin
Director
Director 16 287
Value: $120.8K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Lynch G Patrick
President And CEO
CEO / President 44 051
Value: $326.9K
Sep 01, 2025
Buy
Stock Option (right to buy)
A-Award
Wolsfeld Matthew C
CFO And Corporate Secretary
C-Suite Officer 32 559
Value: $241.6K
Aug 13, 2025
Buy
Common Stock
L-Small
Calderon Nancy E.
Director
Director 3
Value: $22
Aug 13, 2025
Buy
Common Stock
L-Small
Calderon Nancy E.
Director
Director 3
Value: $20
Aug 13, 2025
Buy
Common Stock
L-Small
Calderon Nancy E.
Director
Director 3
Value: $20
Aug 13, 2025
Buy
Common Stock
L-Small
Calderon Nancy E.
Director
Director 3
Value: $22

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 NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION
Northern Technologies International
Northern Technologies International Corporation develops and markets rust and corrosion inhibiting products and services in North America, South America, Europe, Asia, the Middle East and internationally. It offers rust and corrosion inhibiting products, such as plastic and paper packaging, liquids, coatings, rust removers, cleaners, diffusers, and engineered solutions designed for the oil and gas industry under the ZERUST brand. The company also...
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