Director Konstantin von Falkenhausen made one open market purchase of Northern Technologies International Corp. ($NTIC) shares in the last year, totaling $7,953, with the most recent on May 6, 2025. This ranks 4,426th among 4,983 insiders in our database, where the average purchase is about $1.5 million across 3.3 transactions. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 1, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | A | Stock Option (right to buy) | 16287 | $0.00 | 16,287.0000 | 9,639,676 | 9999.99% | 0.17% |
| May 6, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | P | Common Stock | 1100 | $7.23 | 18,219.0000 | 9,754,209 | 6.43% | 0.01% |
| Sept. 1, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | A | Stock Option (right to buy) | 9843 | $0.00 | 9,843.0000 | 9,833,450 | 9999.99% | 0.10% |
| July 31, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | M | Stock Option (right to buy) | 8000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| July 31, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | M | Common Stock | 8000 | $10.05 | 23,200.0000 | 0 | 52.63% | 0.00% |
| July 31, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | F | Common Stock | 6081 | $13.22 | 17,119.0000 | 0 | 26.21% | 0.00% |
| Sept. 1, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | A | Stock Option (right to buy) | 9921 | $0.00 | 9,921.0000 | 0 | 9999.99% | 0.00% |
| Aug. 28, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | M | Common Stock | 8000 | $7.35 | 15,200.0000 | 0 | 111.11% | 0.00% |
| Aug. 28, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | von Falkenhausen Konstantin | Director | M | Stock Option (right to buy) | 8000 | $0.00 | 8,000.0000 | 0 | 50.00% | 0.00% |