Trade Summary

2 days ago, Monagle Dj III, serving as Group Pres at Minerals Technologies Inc (MTX), sold 23,093 shares at $61.90 per share, for a total transaction value of $1,429,524.00. Following this transaction, Monagle Dj III now holds 85,122 shares of MTX.

This sale represents a 21.00% decrease in Monagle Dj III's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, December 29, 2025 and publicly disclosed via SEC Form 4 filing on Wednesday, December 31, 2025, 2 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.