MONAGLE DJ III

MTX Group President sells 23,093 shares ($1.4M) at $61.90; retains 84,349 shares post-transaction

MONAGLE DJ III, Group President of Minerals Technologies Inc, sold 23,093 shares at $61.90 on 2025-12-29 for $1,429,523.67, reducing his holdings by 21.5% to 84,349 shares. The transaction occurred at a price 1.6% above the current market level of $60.95 but 21.5% below the 52-week high of $77.67. His cross-ticker sales track record shows a 90-day well-timed rate of 100.00% (3 prior sells), with an average 90-day return of -12.6%, indicating that when this insider has sold, the stocks subsequently declined. At MTX specifically, his prior sale on 2024-06-24 was also well-timed (30d +4.8%, 90d -12.6%), establishing a pattern at this ticker. The company's fundamentals show modest valuation (P/E of 11.70) but negative annual revenue growth (-2.4%) and modest profitability relative to the $1.9B market cap, suggesting a mature-to-declining business profile.

MTX Group President MONAGLE sold 14,229 shares at $83.63 on 2024-06-24; stock down 4.8% from 52-week high of $86.75.

MONAGLE DJ III, Group President, sold 14,229 shares of Minerals Technologies Inc at $83.63, reducing his stake by 15.1% to 79,731 shares post-transaction. The stock has declined 4.8% from its 52-week high of $86.75 and is down 3.2% over the past 30 days, though it has gained 9.7% over 90 days. At the same ticker, his prior two sales on 2023-12-20 posted negative 30-day returns (-3.6% and -4.9%) but positive 90-day returns (+7.0% and +5.6%), indicating neither was well-timed on the 90-day measure. Given the company's modest 2.1% annual revenue growth, elevated P/E of 28.37, and the insider's mixed historical timing pattern at this ticker, the transaction occurs against a backdrop of recent price softness but without clear signal of fundamental deterioration.