| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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Director
1 company
Konstantin von Falkenhausen is Director at NTIC. Konstantin von Falkenhausen's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $136K at current prices.
Net of sales, the NTIC filings show accumulation of 1,700 shares.
Konstantin von Falkenhausen has 17 Form 4 filings on record from July 2015 to September 2026, all as Director at Northern Technologies International (NTIC), 2015–2026.
The 18 reported transactions were 12 option or other derivative awards, 3 option exercises, 2 open-market purchases and 1 tax withholding.
Counted by filing, the open-market trades come to 2 purchases worth about $18K and no sales.
The largest open-market purchase was 600 shares of NTIC at an average $17.02 on July 24, 2015, about $10K.