Welcome to our dedicated page for Minerals Tech SEC filings (Ticker: MTX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Minerals Technologies Inc. filings document formal disclosures for its NYSE-listed common stock, including current reports that furnish quarterly financial-performance press releases and proxy materials for annual shareholder voting. The filing record identifies MTI as a specialty minerals company and links reported results to its Consumer & Specialties and Engineered Solutions operating segments.
Proxy disclosures cover board elections, auditor ratification, advisory executive-compensation votes, annual-meeting procedures, and related governance matters. Current reports also identify exhibit filings, interactive data cover pages, and the company’s registered common stock structure.
ROBINSON MARC E reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Marc E. Robinson received a grant of 1,908.146 phantom stock units on May 20, 2026. Each unit is the economic equivalent of one share of Minerals Technologies common stock and is accrued under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.
The phantom stock units will be settled in cash when Robinson’s service as a director ends. Following this grant, his balance in these phantom stock units stands at 26,873.589. This is a compensation-related award rather than an open-market stock purchase or sale.
Minerals Technologies Inc. director Carolyn K. Pittman acquired 1,908.146 phantom stock units as a compensation award. Each unit is the economic equivalent of one share of common stock but will be settled in cash, not stock, under the company’s deferred compensation plan. Following this grant, she holds 20,619.402 phantom stock units in total, all reflecting deferred, cash-settled director compensation rather than open-market share purchases or sales.
Motwani Rocky reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Rocky Motwani received a grant of phantom stock units as compensation. On May 20, 2026, he was awarded 1,908.146 phantom stock units, each economically equivalent to one share of Minerals Technologies common stock. These units were accrued under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and will be settled in cash when his service as a director ends. Following this grant, Motwani holds a total of 8,092.917 phantom stock units. The filing does not reflect any open-market stock purchases or sales.
JOHNSON KRISTINA M reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Kristina M. Johnson received a grant of 1,908.146 phantom stock units tied to the company’s common stock. These units were awarded under a non‑funded deferred compensation and unit award plan for non‑employee directors, increasing her phantom stock balance to 5,988.958 units, and will be settled in cash upon her termination of board service.
CLARK ROBERT L reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Robert L. Clark received a grant of 1,908.146 phantom stock units. Each unit is economically equivalent to one share of Minerals Technologies common stock. Following this award, he holds a total of 33,650.389 phantom stock units.
The units were accrued under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and are to be settled in cash when he terminates service as a director. This is a compensation-related, non-cash award rather than an open-market stock purchase or sale.
CARMOLA JOHN J reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director John J. Carmola received a grant of 1,908.146 phantom stock units tied to the company’s common stock. These units were awarded under the Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and will be settled in cash when his board service ends. Following this award, he holds 27,911.814 phantom stock units in total.
Breunig Joseph C. reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Joseph C. Breunig received a grant of 1,908.146 phantom stock units tied to the company’s common stock. These units are the economic equivalent of one share of common stock each and are part of his non-employee director compensation.
The phantom stock units were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and will be settled in cash when his board service ends. After this grant, his balance in this plan is 21,530.627 phantom stock units.
Minerals Technologies Inc. reported the results of its 2026 Annual Meeting of Shareholders and a new quarterly dividend. Shareholders representing 30,117,001 shares, or 97.06% of eligible voting shares, were present in person or by proxy.
Director nominees Joseph C. Breunig and Kristina M. Johnson were elected, with 26,544,838 and 28,994,994 votes for, respectively. Shareholders ratified KPMG LLP as independent registered public accounting firm and approved, on an advisory basis, 2025 executive compensation.
The Board declared a regular quarterly cash dividend of $0.12 per share, payable on June 18, 2026 to shareholders of record on June 2, 2026. The company notes 2025 global sales of $2.1 billion across operations in 34 countries.
Minerals Technologies Inc. chairman and CEO Douglas T. Dietrich reported an option exercise and related share sale in company stock. He exercised employee stock options for 21,568 shares of Common Stock at $78.0250 per share and sold 21,568 shares in an open-market transaction at a weighted average price of $81.5292 per share, with prices ranging from $81.140 to $81.960. After these transactions, he holds 175,973 Common Stock shares directly and 4,735.457 shares indirectly through a 401(k) plan as of May 14, 2026.