John Carmola Buys Shares of MTX

On June 18, 2026, John Carmola bought 43 shares of MTX. This insider transaction comes as the stock traded at $77.82 on Tuesday. The purchase wasn't part of a pre-planned trading program, suggesting Carmola's personal decision to increase his stake.

Insider Buying and Selling at Minerals Technologies Inc.

Several insiders were active on June 18, 2026, alongside John Carmola. Marc Robinson bought 41 shares, Carolyn Pittman purchased 32 shares, and Robert Clark acquired 51 shares. Other insiders, Rocky Motwani and Joseph Breunig, also bought shares, purchasing 12 and 33 shares, respectively. None of these transactions were part of a Rule 10b5-1 plan, indicating they might reflect personal investment decisions.

Other Institutional Activity in MTX

Institutional investors have also been adjusting their positions in MTX. BlackRock, Inc. grew its holdings by 37,663 shares, ending with 4,810,743 shares valued at approximately $341.2 million. FMR LLC significantly increased its position by 1,541,104 shares, now holding 4,264,458 shares worth about $302.4 million, marking a 56.6% increase. Dimensional Fund Advisors LP slightly reduced its stake by 619 shares, maintaining 1,974,734 shares valued at $140 million. Vanguard Portfolio Management LLC opened a new position with 1,901,358 shares, valued at $134.8 million. Meanwhile, Nomura Asset Management International Inc. reduced its holdings by 109,701 shares, now holding 1,454,905 shares worth $103.2 million.

Analysts Set New Price Targets

Analysts have been active in assessing MTX's prospects. On May 4, 2026, Truist Securities maintained its 'buy' rating for MTX, setting a price target of $90. This follows a series of consistent 'buy' ratings from Truist Securities, who previously set targets ranging from $80 to $92. Freedom Capital Markets initiated coverage with a 'buy' rating and a $75 target on November 21, 2025. This analyst activity suggests a generally positive outlook from the financial community.

Bottom Line

John Carmola's recent purchase of MTX shares is part of a broader pattern of insider buying at the company. Institutional investors like BlackRock and Vanguard have also shown interest, adjusting their stakes significantly. Analysts remain optimistic, with Truist Securities maintaining a 'buy' rating and a $90 target. These movements reflect a dynamic period for MTX, with various stakeholders actively engaging with the stock.