Trade Summary

3 days ago, Kenison Michael R., serving as Chief Operations Officer at Proto Labs Inc (PRLB), sold 23,463 shares at $69.73 per share, for a total transaction value of $1,636,166.00. Following this transaction, Kenison Michael R. now holds 18,683 shares of PRLB.

This sale represents a 56.00% decrease in Kenison Michael R.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, May 11, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, May 13, 2026, 2 days after the trade was made.

Proto Labs Inc operates in the INDUSTRIALS sector, specifically within the METAL FABRICATION industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.