| Date Filed | Type | Description |
| 07/12/2023 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Exercised 8,582 options to buy
@ $7.35, valued at
$63.1k
|
|
| 10/06/2022 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Paid exercise price by delivering 10,086 shares
@ $13.83, valued at
$139.5k
Exercised 27,218 options to buy
@ $5.125, valued at
$139.5k
|
|
| 09/06/2022 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 35,121 options to buy
@ $11.38, valued at
$399.7k
|
|
| 09/02/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 09/03/2020 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 55,244 options to buy
@ $8.24, valued at
$455.2k
|
|
| 09/04/2019 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 43,351 options to buy
@ $10.8, valued at
$468.2k
|
|
| 09/05/2018 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 10,198 options to buy
@ $36.45, valued at
$371.7k
|
|
| 09/05/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 09/06/2016 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 5,940 options to buy
@ $13.4, valued at
$79.6k
|
|
| 09/03/2015 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 5,386 options to buy
@ $14.85, valued at
$80k
Granted 5,386 options to buy
@ $14.85, valued at
$80k
|
|
| 09/02/2014 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 3,876 options to buy
@ $20.1, valued at
$77.9k
|
|
| 03/12/2014 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Exercised 9,000 options to buy
@ $7.65, valued at
$68.9k
|
|
| 09/03/2013 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 11/19/2012 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 2,485 options to buy
@ $10.25, valued at
$25.5k
Granted 4,971 options to buy
@ $10.25, valued at
$51k
Granted 6,153 options to buy
@ $10.25, valued at
$63.1k
|
|
| 11/16/2012 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Paid exercise price by delivering 3,639 shares
@ $10.8, valued at
$39.3k
Exercised 3,950 options to buy
@ $9.95, valued at
$39.3k
|
|
| 09/25/2012 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Exercised 9,000 options to buy
@ $9.95, valued at
$89.6k
|
|
| 11/08/2011 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 6,053 shares
@ $0 |
|
| 11/22/2010 |
4
| WOLSFELD MATTHEW C (CFO and Corporate Secretary) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Granted 3,193 shares
@ $0 |
|
| 11/03/2010 |
4
| WOLSFELD MATTHEW C (CFO) has filed a Form 4 on NORTHERN TECHNOLOGIES INTERNATIONAL CORP|
Txns:
| Exercised 8,000 options to buy
@ $5.38, valued at
$43k
|
|
| 11/23/2009 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |