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Northern Technologies International Corp. planned insider sales

In the last twelve months insiders at Northern Technologies International Corp. filed 2 Form 144 notices of planned sales, 28,072 shares worth $225,429 at the time of filing, from 2 sellers. The latest, filed 29 July 2026: Lynch G Patrick (officer, director, 10% stockholder), 16,072 shares worth $129,380, planned for around 29 July 2026 through ETrade Financial Corporation.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
29 July 2026Lynch G PatrickOfficer, Director, 10% Stockholder16,072$129,38029 July 202616,072 shares from 29 July 2026ETrade Financial CorporationStock Option ExerciseForm 144
20 July 2026Nigon RichardDirector12,000$96,04920 July 202612,000 shares from 20 July 2026Stifel Nicolaus & Company IncStock Option ExerciseForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?