Douglas T Dietrich

MTX CEO Douglas Dietrich sold 21,568 shares at $81.53 for $1,758,421.79, reducing holdings by -10.9% to 175,973 shares.

Douglas T Dietrich, Chairman and CEO of Minerals Technologies Inc, sold 21,568 shares at $81.53 on 2026-05-14 for total proceeds of $1,758,421.79, leaving him with 175,973 shares post-transaction. The sale occurred near the 52-week high of $84.34, with the stock sitting -8.3% below that high at the time of this analysis, and follows a 30-day gain of +6.3%. His 3 prior sells in his cross-ticker track record carry a 90d well-timed rate of 100.00%, with an average 90-day return of -10.0% following those sales — meaning the stock declined after each of those prior transactions. Separately, the company's fundamentals show annual revenue growth of -2.2% and a full fiscal year net loss, providing additional context for the stock's positioning near its 52-week high at the time of the sale.

CEO Dietrich bought 2,000 MTX shares at $51.56; stock down 40.7% from 52-week high, net income -$144.0M

DIETRICH DOUGLAS T (CHAIRMAN AND CEO) purchased 2,000 shares of MINERALS TECHNOLOGIES INC (MTX) at $51.56, bringing holdings to 161,675 shares. The purchase occurs after significant recent declines: the stock is -40.7% from its 52-week high of $88.90 and down 15.5% over the past 30 days. Fundamentally, the company posted a net loss of -$144.0M on revenue of $491.8M in the latest quarter, with annual revenue declining 2.4% year-over-year. The buy at a reduced price point following deteriorating financials warrants examination of the filing and underlying business trajectory.