MATTHEW C WOLSFELD
CIK 1258563 · CFO and Corporate Secretary · last filed 2025-09-03
MATTHEW C WOLSFELD is a CFO and Corporate Secretary who has filed 27 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for NTIC, was dated Sep 3, 2025. Current disclosed insider exposure totals $1.4M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.35M
2
27
$0
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NTIC | CFO and Corporate Secretary | 168,256 | $8.05 | $1.35M | $0 | 25 | 2025-09-03 |
| NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTI) Delisted | CFO and Corporate Secretary | 25,216 | — | — | $0 | 2 | 2007-11-20 |
Recent Filings
27 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-09-03 | NTIC | Grant (A) | — | $0 | EDGAR |
| 2024-09-04 | NTIC | Grant (A) | — | $0 | EDGAR |
| 2024-07-17 | NTIC | Exer (M) | +7,752 | $77.9K | EDGAR |
| 2023-09-06 | NTIC | Grant (A) | — | $0 | EDGAR |
| 2023-07-12 | NTIC | Exer (M) | +8,582 | $63.1K | EDGAR |
| 2022-10-06 | NTIC | Mixed | +17,132 | $3 | EDGAR |
| 2022-09-06 | NTIC | Grant (A) | — | $0 | EDGAR |
| 2021-09-02 | NTIC | Grant (A) | — | $0 | EDGAR |
| 2020-09-03 | NTIC | Grant (A) | — | $0 | EDGAR |
| 2019-09-04 | NTIC | Grant (A) | — | $0 | EDGAR |