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.
Minerals Technologies Inc. SVP Finance and Treasury, CFO Erik Aldag reported equity award activity involving Deferred Restricted Stock Units (DRSUs) and common stock on January 21, 2026. He converted 2,245 DRSUs, each economically equivalent to one share of common stock, into the same number of common shares at an exercise price of $0.
To cover tax withholding obligations, 1,356 common shares were withheld by Minerals Technologies Inc. at a price of $66.92 per share. Following these transactions, Aldag directly held 5,134 shares of common stock, plus 897.255 shares indirectly through a 401(k) plan, and 19,371 DRSUs remained beneficially owned.
Minerals Technologies Inc. executive Brett Argirakis reported equity compensation activity involving company stock. On January 21, 2026, 3,112 Deferred Restricted Stock Units (DRSUs), each equal to one share of common stock, were converted into 3,112 shares of Minerals Technologies common stock at an exercise price of $0. To cover tax withholding obligations related to this vesting, the company withheld 1,457 shares of common stock at a price of $66.92 per share, rather than these shares being sold in the open market.
After these transactions, Argirakis beneficially owned 29,257 shares of common stock directly and 2,850.7 shares indirectly through a 401(k) plan, along with 27,491 DRSUs that remain outstanding. The DRSUs involved in this transaction were part of an award granted on January 21, 2025 that vests in three equal annual installments beginning January 21, 2026.
Minerals Technologies Inc. vice president Michael Cipolla reported equity transactions involving company stock and deferred units. On January 21, 2026, 1,290 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of common stock, were converted into 1,290 shares of common stock at $0 per share. On the same date, 731 common shares at $66.92 were withheld by Minerals Technologies Inc. to cover tax withholding obligations.
After these transactions, Cipolla directly held 38,244 shares of common stock, with an additional 9,802.966 shares held indirectly through a 401(k) plan. He also held 11,342 DRSUs directly. The DRSUs referenced in this report were originally granted on January 21, 2025 and vest in three equal annual installments beginning January 21, 2026.
Minerals Technologies Inc. executive Erin Cutler, VP of Human Resources, reported an equity award vesting and related tax withholding. On January 21, 2026, 1,193 Deferred Restricted Stock Units (DRSUs), each equal to one share of common stock, were converted into 1,193 shares of Minerals Technologies common stock at an exercise price of $0. As part of the same event, 583 shares of common stock were withheld by the company at $66.92 per share to cover tax obligations, rather than being sold on the open market.
After these transactions, Cutler directly owned 6,391 shares of common stock and 10,589 DRSUs, with an additional 1,697.399 shares held indirectly through a 401(k) plan as of January 21, 2026.
Minerals Technologies Inc. chairman and CEO Douglas Dietrich reported equity compensation activity involving Deferred Restricted Stock Units and common stock. On January 21, 2026, he exercised 10,033 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of common stock, receiving an equal number of shares at an exercise price of $0. To cover tax withholding obligations, 5,630 shares of common stock were withheld by the company at a price of $66.92 per share.
After these transactions, Dietrich directly owned 166,078 shares of Minerals Technologies common stock and held an additional 4,562.677 shares indirectly through a 401(k) plan. He also held 92,220 DRSUs directly following the reported activity, which were part of an award granted on January 21, 2025 that vests in three equal annual installments beginning January 21, 2026.
Minerals Technologies Inc. vice president Timothy Jordan reported equity compensation activity involving Deferred Restricted Stock Units (DRSUs) and common stock. On January 21, 2026, 1,897 DRSUs were converted into 1,897 shares of common stock at an exercise price of $0. To cover tax withholding obligations, the company withheld 1,071 common shares at a price of $66.92 per share, rather than Jordan selling shares in the open market.
After these transactions, Jordan directly held 5,355 shares of Minerals Technologies common stock and indirectly held 2,678.101 shares through a 401(k) plan. He also continued to hold 16,833 DRSUs, each economically equivalent to one share of common stock.
Minerals Technologies Group President DJ Monagle III reported an equity award transaction involving deferred restricted stock units and common shares. On January 21, 2026, 3,492 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of common stock, were converted into 3,492 shares of Minerals Technologies Inc. Common Stock at an exercise price of $0. The company withheld 2,036 shares at a price of $66.92 per share to satisfy tax withholding obligations, leaving Monagle with 85,805 common shares held directly and 807.854 shares held indirectly through a 401(k) plan as of that date. Following the transaction, Monagle also held 30,596 DRSUs directly. The DRSUs exercised were part of an award granted on January 21, 2025 that vests in three equal annual installments beginning on January 21, 2026.
Minerals Technologies Inc. SVP Finance and Treasury, CFO Erik Aldag reported new equity awards. On January 20, 2026, he received 8,557 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of Minerals Technologies common stock. Following this grant, he beneficially owned 21,616 DRSUs directly.
On the same date, Aldag was also granted an employee stock option covering 7,349 shares of common stock at an exercise price of $66.23 per share. These options are directly owned and represent 7,349 options beneficially owned after the grant. Both the DRSUs and options vest in three equal annual installments beginning on January 20, 2027, aligning his compensation with the company’s longer-term performance.
Minerals Technologies Inc. reported that Group President Brett Argirakis received new equity awards. On January 20, 2026, he was granted 12,101 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of common stock. These DRSUs vest in three equal annual installments beginning on January 20, 2027.
On the same date, Argirakis also received 10,393 employee stock options with an exercise price of $66.23 per share, which likewise vest in three equal annual installments starting on January 20, 2027. Following the DRSU grant, he beneficially owns 30,603 DRSUs, and he holds 10,393 options directly.
Minerals Technologies Inc. vice president Michael Cipolla reported awards of equity-based incentives. On January 20, 2026, he received 4,618 Deferred Restricted Stock Units (DRSUs), each economically equivalent to one share of Minerals Technologies common stock. These DRSUs vest in three equal annual installments beginning on January 20, 2027, and following the grant he beneficially owned 12,632 DRSUs directly.
On the same date, he was also granted 3,966 employee stock options with an exercise price of $66.23 per share. These options vest in three equal annual installments beginning on January 20, 2027, and he directly held 3,966 options after the grant.