WOLSFELD MATTHEW C
SEC insider (Form 3/4/5 filer). CIK 0001258563. CFO and Corporate Secretary at NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC). 5 reported Form 4/5 transactions since Sep 2024; latest on Sep 1, 2026. Located in CIRCLE PINES, MN.
Companies WOLSFELD MATTHEW C has filed insider reports for
- NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC): Officer, CFO and Corporate Secretary
WOLSFELD MATTHEW C
CIK: 0001258563
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Sep 1, 2026NTIC
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
AwardDirectStock Option (right to buy)
29.8K shares- - Jul 1, 2026NTIC
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
ExerciseDirect11.9K shares at avg. $6.70$80K - Jul 1, 2026NTIC
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Tax PaymentDirect9.2K shares at avg. $8.68$80K - Sep 1, 2025NTIC
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
AwardDirectStock Option (right to buy)
32.6K shares- - Sep 1, 2024NTIC
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
AwardDirectStock Option (right to buy)
33.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Award Stock Option (right to buy) | 29,755 | - | - | Direct |
| Jul 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Exercise | 11,879 | $6.70 | $79,589 | Direct |
| Jul 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Tax Payment | 9,169 | $8.68 | $79,587 | Direct |
| Sep 1, 2025 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Award Stock Option (right to buy) | 32,559 | - | - | Direct |
| Sep 1, 2024 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | Award Stock Option (right to buy) | 33,156 | - | - | Direct |
1-5 of 5 transactions