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NTIC insider trading

NORTHERN TECHNOLOGIES INTERNATIONAL CORP — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
2
Bought · 24 mo
$15k
Buys · last 90 days
0 · $0
Most recent buy
2025-05-06

Recent insider filings

FiledInsiderTypeSharesPriceValue
2025-05-06von Falkenhausen Konstantin
Director
Bought1,100$7.23$8k
2025-04-28Calderon Nancy E.
Director
Bought1,000$7.45$7k

Most active insider buyers

InsiderRoleBuysTotal bought
von Falkenhausen KonstantinDirector1$8k
Calderon Nancy E.Director1$7k

See NTIC on the chart

Every insider buy and sell for NTIC plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.