Matthew C. Wolsfeld
CFO and Corporate Secretary · NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Individual
- 2025
- Sep 4, 2026
- 3
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Matthew C. Wolsfeld files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- G. Patrick Lynch - $129K in NTIC purchases and sales in the last 12 months
- Richard Nigon - $96K in NTIC purchases and sales in the last 12 months
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Frequently asked questions
Who is Matthew C. Wolsfeld?
Matthew C. Wolsfeld is a corporate insider, tracked as CFO and Corporate Secretary of NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Matthew C. Wolsfeld submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
