Minerals Technologies Inc also files under MTX1; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 4, 2026 | Motwani Rocky | Director | Grant(A) | 14 | — | $0 |
| Sep 4, 2026 | Johnson Kristina M | Director | Grant(A) | 10 | — | $0 |
| Sep 4, 2026 | Clark Robert L | Director | Grant(A) | 56 | — | $0 |
| Sep 4, 2026 | Robinson Marc E | Director | Grant(A) | 45 | — | $0 |
| Sep 4, 2026 | Breunig Joseph C. | Director | Grant(A) | 36 | — | $0 |
| Sep 4, 2026 | Carmola John J | Director | Grant(A) | 47 | — | $0 |
| Sep 4, 2026 | Pittman Carolyn K | Director | Grant(A) | 35 | — | $0 |
| Jul 1, 2026 | Pittman Carolyn K | Director | Grant(A) | 99 | — | $0 |
| Jun 18, 2026 | Pittman Carolyn K | Director | Grant(A) | 31 | — | $0 |
| Jun 18, 2026 | Carmola John J | Director | Grant(A) | 43 | — | $0 |
| Jun 18, 2026 | Motwani Rocky | Director | Grant(A) | 12 | — | $0 |
| Jun 18, 2026 | Breunig Joseph C. | Director | Grant(A) | 33 | — | $0 |
| Jun 18, 2026 | Clark Robert L | Director | Grant(A) | 51 | — | $0 |
| Jun 18, 2026 | Robinson Marc E | Director | Grant(A) | 41 | — | $0 |
| Jun 18, 2026 | Johnson Kristina M | Director | Grant(A) | 9 | — | $0 |
| May 20, 2026 | Johnson Kristina M | Director | Grant(A) | 2K | — | $0 |
| May 20, 2026 | Clark Robert L | Director | Grant(A) | 2K | — | $0 |
| May 20, 2026 | Pittman Carolyn K | Director | Grant(A) | 2K | — | $0 |
| May 20, 2026 | Carmola John J | Director | Grant(A) | 2K | — | $0 |
| May 20, 2026 | Motwani Rocky | Director | Grant(A) | 2K | — | $0 |
| May 20, 2026 | Robinson Marc E | Director | Grant(A) | 2K | — | $0 |
| May 20, 2026 | Breunig Joseph C. | Director | Grant(A) | 2K | — | $0 |
| May 14, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 22K | $78.03 | $1.7M |
| May 14, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 22K | — | $0 |
| May 14, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Sell(S) | 22K | $81.53 | $1.8M |
| May 11, 2026 | Jordan Timothy | Vice President | Sell(S) | 6K | $80.27 | $482K |
| Apr 1, 2026 | Pittman Carolyn K | Director | Grant(A) | 102 | — | $0 |
| Apr 1, 2026 | Feder Franklin | Director | Grant(A) | 239 | — | $0 |
| Mar 6, 2026 | Clark Robert L | Director | Grant(A) | 56 | — | $0 |
| Mar 6, 2026 | Feder Franklin | Director | Grant(A) | 41 | — | $0 |
| Mar 6, 2026 | Deans Alison Ann | Director | Grant(A) | 27 | — | $0 |
| Mar 6, 2026 | Pittman Carolyn K | Director | Grant(A) | 33 | — | $0 |
| Mar 6, 2026 | Breunig Joseph C. | Director | Grant(A) | 35 | — | $0 |
| Mar 6, 2026 | Johnson Kristina M | Director | Grant(A) | 7 | — | $0 |
| Mar 6, 2026 | Robinson Marc E | Director | Grant(A) | 44 | — | $0 |
| Mar 6, 2026 | Motwani Rocky | Director | Grant(A) | 11 | — | $0 |
| Mar 6, 2026 | Carmola John J | Director | Grant(A) | 46 | — | $0 |
| Jan 26, 2026 | Hastings Jonathan J | Senior Vice President | Option exercise(M) | 3K | — | $0 |
| Jan 26, 2026 | Hastings Jonathan J | Senior Vice President | Option exercise(M) | 3K | — | $0 |
| Jan 26, 2026 | Hastings Jonathan J | Senior Vice President | Tax withholding(F) | 1K | $68.89 | $91K |
| Jan 26, 2026 | Jordan Timothy | Vice President | Option exercise(M) | 2K | — | $0 |
| Jan 26, 2026 | Jordan Timothy | Vice President | Tax withholding(F) | 981 | $68.89 | $68K |
| Jan 26, 2026 | Monagle DJ III | Group President | Option exercise(M) | 4K | — | $0 |
| Jan 26, 2026 | Monagle DJ III | Group President | Tax withholding(F) | 2K | $68.89 | $134K |
| Jan 26, 2026 | Monagle DJ III | Group President | Option exercise(M) | 4K | — | $0 |
| Jan 26, 2026 | Aldag Erik | SVP FINANCE AND TREASURY, CFO | Option exercise(M) | 2K | — | $0 |
| Jan 26, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 11K | — | $0 |
| Jan 26, 2026 | Aldag Erik | SVP FINANCE AND TREASURY, CFO | Tax withholding(F) | 1K | $68.89 | $70K |
| Jan 26, 2026 | Aldag Erik | SVP FINANCE AND TREASURY, CFO | Option exercise(M) | 2K | — | $0 |
| Jan 26, 2026 | Cutler Erin | VP, Human Resources | Option exercise(M) | 1K | — | $0 |
| Jan 26, 2026 | Cutler Erin | VP, Human Resources | Option exercise(M) | 1K | — | $0 |
| Jan 26, 2026 | Cutler Erin | VP, Human Resources | Tax withholding(F) | 520 | $68.89 | $36K |
| Jan 26, 2026 | Cipolla Michael | VICE PRESIDENT | Option exercise(M) | 1K | — | $0 |
| Jan 26, 2026 | Jordan Timothy | Vice President | Option exercise(M) | 2K | — | $0 |
| Jan 26, 2026 | Cipolla Michael | VICE PRESIDENT | Option exercise(M) | 1K | — | $0 |
| Jan 26, 2026 | Cipolla Michael | VICE PRESIDENT | Tax withholding(F) | 660 | $68.89 | $45K |
| Jan 26, 2026 | Argirakis Brett | Group President | Option exercise(M) | 3K | — | $0 |
| Jan 26, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 11K | — | $0 |
| Jan 26, 2026 | Argirakis Brett | Group President | Option exercise(M) | 3K | — | $0 |
| Jan 26, 2026 | Argirakis Brett | Group President | Tax withholding(F) | 1K | $68.89 | $80K |
| Jan 26, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Tax withholding(F) | 6K | $68.89 | $424K |
| Jan 23, 2026 | Hastings Jonathan J | Senior Vice President | Tax withholding(F) | 1K | $68.77 | $93K |
| Jan 23, 2026 | Hastings Jonathan J | Senior Vice President | Option exercise(M) | 3K | — | $0 |
| Jan 23, 2026 | Jordan Timothy | Vice President | Option exercise(M) | 2K | — | $0 |
| Jan 23, 2026 | Jordan Timothy | Vice President | Tax withholding(F) | 1K | $68.77 | $73K |
| Jan 23, 2026 | Jordan Timothy | Vice President | Option exercise(M) | 2K | — | $0 |
| Jan 23, 2026 | Monagle DJ III | Group President | Option exercise(M) | 4K | — | $0 |
| Jan 23, 2026 | Monagle DJ III | Group President | Option exercise(M) | 4K | — | $0 |
| Jan 23, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 11K | — | $0 |
| Jan 23, 2026 | Monagle DJ III | Group President | Tax withholding(F) | 2K | $68.77 | $144K |
| Jan 23, 2026 | Aldag Erik | SVP FINANCE AND TREASURY, CFO | Option exercise(M) | 2K | — | $0 |
| Jan 23, 2026 | Aldag Erik | SVP FINANCE AND TREASURY, CFO | Option exercise(M) | 2K | — | $0 |
| Jan 23, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Tax withholding(F) | 6K | $68.77 | $419K |
| Jan 23, 2026 | Aldag Erik | SVP FINANCE AND TREASURY, CFO | Tax withholding(F) | 1K | $68.77 | $85K |
| Jan 23, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 11K | — | $0 |
| Jan 23, 2026 | Cutler Erin | VP, Human Resources | Option exercise(M) | 1K | — | $0 |
| Jan 23, 2026 | Cutler Erin | VP, Human Resources | Tax withholding(F) | 608 | $68.77 | $42K |
| Jan 23, 2026 | Cutler Erin | VP, Human Resources | Option exercise(M) | 1K | — | $0 |
| Jan 23, 2026 | Cipolla Michael | VICE PRESIDENT | Option exercise(M) | 1K | — | $0 |
| Jan 23, 2026 | Cipolla Michael | VICE PRESIDENT | Tax withholding(F) | 774 | $68.77 | $53K |
| Jan 23, 2026 | Cipolla Michael | VICE PRESIDENT | Option exercise(M) | 1K | — | $0 |
| Jan 23, 2026 | Argirakis Brett | Group President | Option exercise(M) | 3K | — | $0 |
| Jan 23, 2026 | Argirakis Brett | Group President | Tax withholding(F) | 1K | $68.77 | $97K |
| Jan 23, 2026 | Argirakis Brett | Group President | Option exercise(M) | 3K | — | $0 |
| Jan 23, 2026 | Hastings Jonathan J | Senior Vice President | Option exercise(M) | 3K | — | $0 |
| Jan 21, 2026 | Cipolla Michael | VICE PRESIDENT | Option exercise(M) | 1K | — | $0 |
| Jan 21, 2026 | Cipolla Michael | VICE PRESIDENT | Option exercise(M) | 1K | — | $0 |
| Jan 21, 2026 | Cipolla Michael | VICE PRESIDENT | Tax withholding(F) | 731 | $66.92 | $49K |
| Jan 21, 2026 | Cutler Erin | VP, Human Resources | Option exercise(M) | 1K | — | $0 |
| Jan 21, 2026 | Cutler Erin | VP, Human Resources | Tax withholding(F) | 583 | $66.92 | $39K |
| Jan 21, 2026 | Cutler Erin | VP, Human Resources | Option exercise(M) | 1K | — | $0 |
| Jan 21, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 10K | — | $0 |
| Jan 21, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Option exercise(M) | 10K | — | $0 |
| Jan 21, 2026 | Dietrich Douglas T | CHAIRMAN AND CEO, Director | Tax withholding(F) | 6K | $66.92 | $377K |
| Jan 21, 2026 | Jordan Timothy | Vice President | Option exercise(M) | 2K | — | $0 |
| Jan 21, 2026 | Jordan Timothy | Vice President | Tax withholding(F) | 1K | $66.92 | $72K |
| Jan 21, 2026 | Hastings Jonathan J | Senior Vice President | Option exercise(M) | 3K | — | $0 |
| Jan 21, 2026 | Jordan Timothy | Vice President | Option exercise(M) | 2K | — | $0 |
| Jan 21, 2026 | Hastings Jonathan J | Senior Vice President | Tax withholding(F) | 1K | $66.92 | $88K |
| Jan 21, 2026 | Hastings Jonathan J | Senior Vice President | Option exercise(M) | 3K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Minerals Technologies Inc, SEC CIK 0000891014. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under MTX and shows every filing by that issuer (also filed as MTX1).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-12. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for MTX