WOLSFELD MATTHEW C
CIK: 0001258563
Primary company: NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)
WOLSFELD MATTHEW C is a corporate insider at NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) filing SEC Form 4 transactions. 42 transactions. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Award | 32,559 | - | - | 32,559 | 9/1/2025 Filed: 9/3/2025 | Filing → | |
| Award | 33,156 | - | - | 33,156 | 9/1/2024 Filed: 9/4/2024 | Filing → | |
| Exercise | 7,752 | - | - | 0 | 7/15/2024 Filed: 7/17/2024 | Filing → | |
| Exercise | 7,752 | $10.05 | $78K | 168,149 | 7/15/2024 Filed: 7/17/2024 | Filing → | |
| Award | 33,543 | $0.00 | $0 | 33,543 | 9/1/2023 Filed: 9/6/2023 | Filing → | |
| Exercise | 8,582 | $0.00 | $0 | 0 | 7/11/2023 Filed: 7/12/2023 | Filing → | |
| Exercise | 8,582 | $7.35 | $63K | 160,338 | 7/11/2023 Filed: 7/12/2023 | Filing → | |
| Exercise | 27,218 | $0.00 | $0 | 0 | 10/4/2022 Filed: 10/6/2022 | Filing → | |
| Tax Payment | 10,086 | $13.83 | $139K | 151,727 | 10/4/2022 Filed: 10/6/2022 | Filing → | |
| Exercise | 27,218 | $5.13 | $139K | 161,813 | 10/4/2022 Filed: 10/6/2022 | Filing → | |
| Award | 35,121 | $0.00 | $0 | 35,121 | 9/1/2022 Filed: 9/6/2022 | Filing → | |
| Award | 24,051 | $0.00 | $0 | 24,051 | 9/1/2021 Filed: 9/2/2021 | Filing → | |
| Award | 55,244 | $0.00 | $0 | 55,244 | 9/1/2020 Filed: 9/3/2020 | Filing → | |
| Award | 43,351 | $0.00 | $0 | 43,351 | 9/1/2019 Filed: 9/4/2019 | Filing → | |
| Award | 10,198 | $0.00 | $0 | 10,198 | 9/1/2018 Filed: 9/5/2018 | Filing → | |
| Award | 4,325 | $0.00 | $0 | 4,325 | 9/1/2017 Filed: 9/5/2017 | Filing → | |
| Award | 5,940 | $0.00 | $0 | 5,940 | 9/1/2016 Filed: 9/6/2016 | Filing → | |
| Award | 5,386 | $0.00 | $0 | 5,386 | 9/1/2015 Filed: 9/3/2015 | Filing → | |
| Award | 3,876 | $0.00 | $0 | 3,876 | 9/1/2014 Filed: 9/2/2014 | Filing → | |
| Exercise | 9,000 | $7.65 | $69K | 0 | 3/10/2014 Filed: 3/12/2014 | Filing → |
Type
Award
Shares
32,559
Price
-
Value
-
Type
Award
Shares
33,156
Price
-
Value
-
Type
Exercise
Shares
7,752
Price
-
Value
-
Type
Exercise
Shares
7,752
Price
$10.05
Value
$78K
Type
Award
Shares
33,543
Price
$0.00
Value
$0
Type
Exercise
Shares
8,582
Price
$0.00
Value
$0
Type
Exercise
Shares
8,582
Price
$7.35
Value
$63K
Type
Exercise
Shares
27,218
Price
$0.00
Value
$0
Type
Tax Payment
Shares
10,086
Price
$13.83
Value
$139K
Type
Exercise
Shares
27,218
Price
$5.13
Value
$139K
Type
Award
Shares
35,121
Price
$0.00
Value
$0
Type
Award
Shares
24,051
Price
$0.00
Value
$0
Type
Award
Shares
55,244
Price
$0.00
Value
$0
Type
Award
Shares
43,351
Price
$0.00
Value
$0
Type
Award
Shares
10,198
Price
$0.00
Value
$0
Type
Award
Shares
4,325
Price
$0.00
Value
$0
Type
Award
Shares
5,940
Price
$0.00
Value
$0
Type
Award
Shares
5,386
Price
$0.00
Value
$0
Type
Award
Shares
3,876
Price
$0.00
Value
$0
Type
Exercise
Shares
9,000
Price
$7.65
Value
$69K
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