| 01 Sept 2025 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 16,287 | 0.00 USD | deriv |
| 01 Sept 2024 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 9,843 | 0.00 USD | deriv |
| 01 Sept 2023 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 9,921 | 0.00 USD | deriv |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 6.70 USD | |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 9.18 USD | |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 11,737 | 10.80 USD | |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 16,026 | 8.24 USD | |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 11,737 | 0.00 USD | deriv |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 16,026 | 0.00 USD | deriv |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 0.00 USD | deriv |
| 29 Sept 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 0.00 USD | deriv |
| 01 Sept 2022 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 10,309 | 0.00 USD | deriv |
| 22 Apr 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 7.43 USD | |
| 22 Apr 2022 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 0.00 USD | deriv |
| 12 Nov 2021 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 10.05 USD | |
| 12 Nov 2021 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 7.35 USD | |
| 12 Nov 2021 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 0.00 USD | deriv |
| 12 Nov 2021 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 8,000 | 0.00 USD | deriv |
| 01 Sept 2021 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 6,859 | 0.00 USD | deriv |
| 01 Sept 2020 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 16,026 | 0.00 USD | deriv |
| 01 Sept 2019 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 11,737 | 0.00 USD | deriv |
| 01 Sept 2018 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 2,773 | 0.00 USD | deriv |
| 31 Aug 2017 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 4,000 | 10.25 USD | |
| 31 Aug 2017 | EXERCISE | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 4,000 | 10.25 USD | deriv |
| 01 Sept 2017 | GRANT_AWARD | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | 4,000 | 0.00 USD | deriv |