Insider · CIK 0001258563
Matthew C Wolsfeld
Files at NTIC (NORTHERN TECHNOLOGIES INTERNATIONAL CORP). First filing -, latest -.
In brief
Matthew C Wolsfeld files SEC Form 4 as CFO at NTIC (NORTHERN TECHNOLOGIES INTERNATIONAL CORP). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Matthew C Wolsfeld has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | AGrant or award Stock Option (right to buy)derivative | +29,755 | $0.00 | $0 | 29,755 | 41 d ago |
| Jul 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | MOption exercise Common Stock | +11,879 | $6.70 | $80k | 180,135 | Jul 2, 2026 |
| Jul 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | FTax withholding Common Stock | -9,169 | $8.68 | $80k | 170,966 | Jul 2, 2026 |
| Jul 1, 2026 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | MOption exercise Stock Option (right to buy)derivative | -11,879 | $0.00 | $0 | 0 | Jul 2, 2026 |
| Sep 1, 2025 | NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP | AGrant or award Stock Option (right to buy)derivative | +32,559 | $0.00 | $0 | 32,559 | Sep 3, 2025 |
Questions about Matthew C Wolsfeld
Answered from the filings on this page, as of the latest one.
Is Matthew C Wolsfeld buying or selling?
Matthew C Wolsfeld has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Matthew C Wolsfeld's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Matthew C Wolsfeld has 0.
Where does Matthew C Wolsfeld file Form 4?
Matthew C Wolsfeld has filed Form 4 at NTIC (NORTHERN TECHNOLOGIES INTERNATIONAL CORP) as CFO and Corporate Secretary. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.