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>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2022-01-12 Purchase |
2022-01-13 4:02 pm |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director |
2,012 | $14.91 | $30,005 | 2,012 (Direct) |
View |
2021-01-25 Purchase |
2021-01-25 6:11 pm |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director |
1,000 | $14.78 | $14,776 | 2,000 (Direct) |
View |
2020-07-23 Purchase |
2020-07-24 08:07 am |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director |
1,000 | $8.6 | $8,600 | 1,000 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2022-09-01 Option Award |
2022-09-06 6:06 pm |
N/A 2032-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary |
35,121 | $0 | 169,716 (Direct) |
View |
2022-09-01 Option Award |
2022-09-06 5:59 pm |
2023-09-01 2032-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director |
10,309 | $0 | 12,321 (Direct) |
View |
2022-09-01 Option Award |
2022-09-06 5:54 pm |
2023-09-01 2032-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director |
12,371 | $0 | 42,971 (Direct) |
View |
2022-09-01 Option Award |
2022-09-06 5:45 pm |
2023-09-01 2032-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
10,309 | $0 | 73,309 (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 |
2022-04-22 Exercise |
2022-04-25 4:59 pm |
N/A 2025-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
8,000 | $0 | 63,000 (Direct) |
View |
2022-04-22 Exercise |
2022-04-25 4:59 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
8,000 | $7.425 | 63,000 (Direct) |
View |
2021-11-12 Exercise |
2021-11-12 5:59 pm |
N/A 2023-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
16,000 | $0 | 55,000 (Direct) |
View |
2021-11-12 Exercise |
2021-11-12 5:59 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
8,000 | $7.35 | 55,000 (Direct) |
View |
2021-11-12 Exercise |
2021-11-12 5:59 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
8,000 | $10.05 | 55,000 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:52 pm |
N/A 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner |
32,540 | $0 | 1,309,978 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:40 pm |
N/A 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary |
24,051 | $0 | 158,586 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:30 pm |
2022-09-01 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director |
6,859 | $0 | 6,859 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:25 pm |
2022-09-01 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director |
6,859 | $0 | 8,859 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:19 pm |
2022-09-01 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director |
8,230 | $0 | 38,830 (Direct) |
View |
2021-09-01 Option Award |
2021-09-02 5:13 pm |
2022-09-01 2031-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
6,859 | $0 | 45,859 (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 |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A 2023-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
67,763 | $0 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
8,000 | $7.35 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
8,000 | $9.18 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
8,000 | $6.7 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
8,000 | $10.05 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
11,737 | $10.8 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
16,026 | $8.24 | 101,095 (Direct) |
View |
2021-07-07 Exercise |
2021-07-09 4:30 pm |
N/A N/A |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
8,000 | $7.43 | 101,095 (Direct) |
View |
2020-09-01 Option Award |
2020-09-03 4:34 pm |
N/A 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | LYNCH G PATRICK President and CEO 10% Owner |
74,742 | $0 | 1,352,180 (Direct) |
View |
2020-09-01 Option Award |
2020-09-03 4:23 pm |
N/A 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | WOLSFELD MATTHEW C CFO and Corporate Secretary |
55,244 | $0 | 189,711 (Direct) |
View |
2020-09-01 Option Award |
2020-09-02 6:05 pm |
2021-09-01 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | NIGON RICHARD Director |
19,231 | $0 | 49,831 (Direct) |
View |
2020-09-01 Option Award |
2020-09-02 5:54 pm |
2021-09-01 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Kemp Sarah E. Director |
16,026 | $0 | 16,026 (Direct) |
View |
2020-09-01 Option Award |
2020-09-02 5:49 pm |
2021-09-01 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Calderon Nancy E. Director |
16,026 | $0 | 17,026 (Direct) |
View |
2020-09-01 Option Award |
2020-09-02 5:40 pm |
2021-09-01 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Narayan Ramani Director |
16,026 | $0 | 55,026 (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 |
2020-09-01 Option Award |
2020-09-02 5:22 pm |
2021-09-01 2030-08-31 |
NORTHERN TECHNOLOGIES INTERNATIONAL CORP | NTIC | Keong Koh Soo Director |
16,026 | $0 | 49,358 (Direct) |
View |