WOLSFELD MATTHEW C — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

WOLSFELD MATTHEW C has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Profile

WOLSFELD MATTHEW C

Matthew C. Wolsfeld serves as the Chief Financial Officer and Corporate Secretary of Northern Technologies International Corp, a company specializing in corrosion prevention solutions. His role involves overseeing the financial operations and corporate governance of the firm.

RoleCFO and Corporate Secretary
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-02NTICNORTHERN TECHNOLOGIES INTERNATIONAL CORPF — Tax withholding / forfeiture9.2K$8.68$80K
2026-07-02NTICNORTHERN TECHNOLOGIES INTERNATIONAL CORPM — Option exercise11.9K$6.70$80K

Companies — Last 90 Days

Frequently Asked Questions

Who is WOLSFELD MATTHEW C?

Matthew C. Wolsfeld serves as the Chief Financial Officer and Corporate Secretary of Northern Technologies International Corp, a company specializing in corrosion prevention solutions. His role involves overseeing the financial operations and corporate governance of the firm.…

How many SEC Form 4 filings has WOLSFELD MATTHEW C submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of WOLSFELD MATTHEW C's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

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