Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-09-01 Option Award |
2024-09-04 8:27 pm |
2025-09-01 2034-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
9,843 | $0 | 26,962 (Direct) |
View |
2024-07-31 Tax Withholding |
2024-08-01 5:28 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
6,081 | $13.22 | 17,119 (Direct) |
View |
2024-07-31 Exercise |
2024-08-01 5:28 pm |
N/A 2024-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
8,000 | $0 | 17,119 (Direct) |
View |
2024-07-31 Exercise |
2024-08-01 5:28 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
8,000 | $10.05 | 17,119 (Direct) |
View |
2023-09-01 Option Award |
2023-09-06 5:21 pm |
2024-09-01 2033-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
9,921 | $0 | 25,121 (Direct) |
View |
2023-08-28 Exercise |
2023-08-28 5:48 pm |
N/A 2023-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
8,000 | $0 | 23,200 (Direct) |
View |
2023-08-28 Exercise |
2023-08-28 5:48 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
8,000 | $7.35 | 23,200 (Direct) |
View |
2022-10-14 Exercise |
2022-10-17 4:52 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
6,000 | $5.125 | 7,200 (Direct) |
View |
2022-10-14 Exercise |
2022-10-17 4:52 pm |
N/A 2022-11-16 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
6,000 | $0 | 7,200 (Direct) |
View |
2022-09-01 Option Award |
2022-09-06 5:36 pm |
2023-09-01 2032-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
10,309 | $0 | 11,509 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:04 pm |
2022-09-01 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
6,859 | $0 | 8,059 (Direct) |
View |
2020-09-01 Option Award |
2020-09-02 5:29 pm |
2021-09-01 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | von Falkenhausen Konstantin Director |
16,026 | $0 | 17,226 (Direct) |
View |