10 insiders reported 107 Form 4 transactions for MINERALS TECHNOLOGIES INC (MTX) over the past 18 months (most recent 2026-05-18). Recent activity: DIETRICH DOUGLAS T (CHAIRMAN AND CEO) Buy 21,568 shares, DIETRICH DOUGLAS T (CHAIRMAN AND CEO) Sell 21,568 shares, JORDAN TIMOTHY (Vice President) Sell 6,000 shares, CIPOLLA MICHAEL (VICE PRESIDENT) Sell 774 shares, Hastings Jonathan J (Senior Vice President) Sell 1,354 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Buy | 21,568 | $1.7M |
| 2026-05-18 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 21,568 | $1.8M |
| 2026-05-13 | JORDAN TIMOTHY | Vice President | Sell | 6,000 | $481,648 |
| 2026-01-27 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 774 | $53,228 |
| 2026-01-27 | Hastings Jonathan J | Senior Vice President | Sell | 1,354 | $93,115 |
| 2026-01-27 | Hastings Jonathan J | Senior Vice President | Buy | 3,051 | $0 |
| 2026-01-27 | Hastings Jonathan J | Senior Vice President | Sell | 1,327 | $91,417 |
| 2026-01-27 | MONAGLE DJ III | Group President | Buy | 3,795 | $0 |
| 2026-01-27 | MONAGLE DJ III | Group President | Sell | 2,099 | $144,348 |
| 2026-01-27 | MONAGLE DJ III | Group President | Buy | 3,519 | $0 |
| 2026-01-27 | MONAGLE DJ III | Group President | Sell | 1,947 | $134,129 |
| 2026-01-27 | CIPOLLA MICHAEL | VICE PRESIDENT | Buy | 1,427 | $0 |
| 2026-01-27 | Hastings Jonathan J | Senior Vice President | Buy | 3,113 | $0 |
| 2026-01-27 | CIPOLLA MICHAEL | VICE PRESIDENT | Buy | 1,292 | $0 |
| 2026-01-27 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 660 | $45,467 |
| 2026-01-27 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Buy | 11,016 | $0 |
| 2026-01-27 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 6,092 | $418,947 |
| 2026-01-27 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Buy | 11,123 | $0 |
| 2026-01-27 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 6,152 | $423,811 |
| 2026-01-27 | ARGIRAKIS BRETT | Group President | Buy | 3,247 | $0 |
| 2026-01-27 | ARGIRAKIS BRETT | Group President | Sell | 1,413 | $97,172 |
| 2026-01-27 | ARGIRAKIS BRETT | Group President | Buy | 2,672 | $0 |
| 2026-01-27 | ARGIRAKIS BRETT | Group President | Sell | 1,163 | $80,119 |
| 2026-01-27 | JORDAN TIMOTHY | Vice President | Buy | 2,046 | $0 |
| 2026-01-27 | JORDAN TIMOTHY | Vice President | Sell | 1,058 | $72,759 |
Source: SEC Form 4 filings · as of 2026-05-18