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.
Minerals Technologies Inc — Schedule 13G/A filing by The Vanguard Group. The filing states that The Vanguard Group beneficially owns 0 shares of Minerals Technologies Inc common stock, representing 0% of the class. It explains an internal realignment on January 12, 2026 that caused certain subsidiaries or divisions to report ownership separately in reliance on SEC Release No. 34-39538. The filing is signed by Ashley Grim, Head of Global Fund Administration on 03/27/2026.
ROBINSON MARC E reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Marc E. Robinson received a grant of 44.3900 phantom stock units on 2026-03-06. Each unit is the economic equivalent of one share of Minerals Technologies common stock and is part of a 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, rather than in actual shares. After this award, his balance under the plan is 24,965.4430 phantom stock units, reflecting deferred, cash-settled director compensation rather than an open-market stock purchase or sale.
PITTMAN CAROLYN K reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Carolyn K. Pittman received a grant of 33.087 phantom stock units on March 6, 2026. These units are derivatives whose value matches one share of common stock each and increase her deferred phantom balance to 18,608.883 units.
The 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 her board service ends, making this a routine, compensation-related, non-cash award rather than an open-market share purchase or sale.
Motwani Rocky reported acquisition or exercise transactions in this Form 4 filing.
MINERALS TECHNOLOGIES INC director Rocky Motwani received a grant of 10.997 phantom stock units that are economically equivalent to the company’s common stock. This award, made under the non-funded deferred compensation and unit award plan for non-employee directors, brings his total phantom stock units to 6,184.771, to be settled in cash upon termination of board service.
Minerals Technologies Inc. director Kristina M. Johnson received a grant of phantom stock units as part of her board compensation. On this Form 4, she was awarded 7.256 phantom stock units, each economically equivalent to one share of common stock and carrying no exercise price.
The units were credited under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and will be settled in cash when she leaves the board. Following this grant, Johnson holds a total of 4,080.812 phantom stock units tied to Minerals Technologies common stock.
FEDER FRANKLIN reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Franklin Feder received a grant of 40.867 phantom stock units on March 6, 2026. Each unit is the economic equivalent of one share of common stock and was granted under the company’s deferred compensation plan, increasing his phantom unit balance to 22,984.003 units, to be settled in cash when his board service ends.
Deans Alison Ann reported acquisition or exercise transactions in this Form 4 filing.
Minerals Technologies Inc. director Alison Ann Deans received 27.451 phantom stock units tied to the company’s common stock. Each unit is economically equivalent to one share and was granted under the non-employee director deferred compensation and unit award plan. Following this award, she holds 15,439.088 phantom stock units, which will be settled in cash when her board service ends.
CLARK ROBERT L reported acquisition or exercise transactions in this Form 4 filing.
MINERALS TECHNOLOGIES INC director Robert L. Clark reported receiving a grant of 56.439 phantom stock units on March 6, 2026. Each phantom stock unit is the economic equivalent of one share of common stock and is accrued under the company’s Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors.
These phantom stock units will be settled in cash when Clark’s service as a director ends. Following this award, he holds a total of 31,742.243 phantom stock units directly, reflecting ongoing board compensation rather than an open-market share 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 46.236 phantom stock units, bringing his total phantom stock holdings to 26,003.668 units. Each unit is economically equivalent to one share of common stock and will be settled in cash when his board service ends, reflecting routine non-employee director compensation rather than an open-market trade.