Trade Summary

2 days ago, Archbold Brian David, serving as SVP Operations at MESA LABORATORIES INC /CO/ (MLAB), sold 1,151 shares at $101.27 per share, for a total transaction value of $116,558.32. Following this transaction, Archbold Brian David now holds 3,710 shares of MLAB.

This sale represents a 23.68% decrease in Archbold Brian David's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, June 16, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, June 17, 2026 at 12:23 PM ET, 1 day after the trade was made.

MESA LABORATORIES INC /CO/ operates in the TECHNOLOGY sector, specifically within the SCIENTIFIC & TECHNICAL INSTRUMENTS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.