Trade Summary

6 days ago, LYNCH G PATRICK, serving as President and CEO at NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC), sold 16,072 shares at $8.00 per share, for a total transaction value of $128,523.17. Following this transaction, LYNCH G PATRICK now holds 105,284 shares of NTIC.

This sale represents a 13.24% decrease in LYNCH G PATRICK's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, July 29, 2026 and publicly disclosed via SEC Form 4 filing on Friday, July 31, 2026 at 4:34 PM ET, 2 days after the trade was made.

NORTHERN TECHNOLOGIES INTERNATIONAL CORP operates in the BASIC MATERIALS sector, specifically within the SPECIALTY CHEMICALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.