Trade Summary

1 week ago, Dietrich Douglas T, serving as COB, CEO at Minerals Technologies Inc (MTX), sold 21,568 shares at $81.53 per share, for a total transaction value of $1,758,422.00. Following this transaction, Dietrich Douglas T now holds 180,708 shares of MTX.

This sale represents a 11.00% decrease in Dietrich Douglas T's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, May 14, 2026 and publicly disclosed via SEC Form 4 filing on Monday, May 18, 2026 at 9:58 AM ET, 4 days after the trade was made.

Minerals Technologies Inc 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.