How much did Minerals Technologies CEO Douglas T. Dietrich sell in company shares, and what was the context of the sale?

Douglas T. Dietrich, Chairman and CEO of Minerals Technologies Inc. (NASDAQ:MTX), sold 21,568 shares of the company’s common stock for $1.76 million after exercising employee stock options. The sale occurred following a 33% stock price gain over the prior six months and after the company reported strong Q1 2026 financial results that exceeded expectations.

What is Douglas T. Dietrich's current ownership stake in Minerals Technologies after the share sale?

Following the sale of 21,568 shares, Douglas T. Dietrich directly and indirectly holds over 180,000 shares of Minerals Technologies Inc.'s common stock.

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Minerals Technologies Chairman and CEO Sells $1.76M in Shares

May 18, 2026

Minerals Technologies Chairman and CEO Douglas T. Dietrich sold $1.76 million in shares following strong Q1 2026 results that exceeded expectations. The sale occurs after the stock gained 33% over the past six months.

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