Minerals Technologies Inc. (MTX)
Minerals Technologies Inc. (MTX) Insider Trading
Directors, officers and holders of more than 10% of MTX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 298 transactions on file: 0 with code P, 2 with code S and 48 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | PITTMAN CAROLYN K | Director | A Award | 112 | Not measured | Not measured |
| Sep 4, 2026 | Motwani Rocky | Director | A Award | 14 | Not measured | Not measured |
| Sep 4, 2026 | PITTMAN CAROLYN K | Director | A Award | 35 | Not measured | Not measured |
| Sep 4, 2026 | CLARK ROBERT L | Director | A Award | 56 | Not measured | Not measured |
| Sep 4, 2026 | CARMOLA JOHN J | Director | A Award | 47 | Not measured | Not measured |
| Sep 4, 2026 | ROBINSON MARC E | Director | A Award | 45 | Not measured | Not measured |
| Sep 4, 2026 | JOHNSON KRISTINA M | Director | A Award | 10 | Not measured | Not measured |
| Sep 4, 2026 | Breunig Joseph C. | Director | A Award | 36 | Not measured | Not measured |
| Jul 1, 2026 | PITTMAN CAROLYN K | Director | A Award | 99 | Not measured | Not measured |
| Jun 18, 2026 | CARMOLA JOHN J | Director | A Award | 43 | Not measured | Not measured |
| Jun 18, 2026 | CLARK ROBERT L | Director | A Award | 51 | Not measured | Not measured |
| Jun 18, 2026 | Motwani Rocky | Director | A Award | 12 | Not measured | Not measured |
| Jun 18, 2026 | JOHNSON KRISTINA M | Director | A Award | 9 | Not measured | Not measured |
| Jun 18, 2026 | Breunig Joseph C. | Director | A Award | 33 | Not measured | Not measured |
| Jun 18, 2026 | ROBINSON MARC E | Director | A Award | 41 | Not measured | Not measured |
| Jun 18, 2026 | PITTMAN CAROLYN K | Director | A Award | 31 | Not measured | Not measured |
| May 20, 2026 | ROBINSON MARC E | Director | A Award | 1,908 | Not measured | Not measured |
| May 20, 2026 | PITTMAN CAROLYN K | Director | A Award | 1,908 | Not measured | Not measured |
| May 20, 2026 | Breunig Joseph C. | Director | A Award | 1,908 | Not measured | Not measured |
| May 20, 2026 | CARMOLA JOHN J | Director | A Award | 1,908 | Not measured | Not measured |
| May 20, 2026 | CLARK ROBERT L | Director | A Award | 1,908 | Not measured | Not measured |
| May 20, 2026 | JOHNSON KRISTINA M | Director | A Award | 1,908 | Not measured | Not measured |
| May 20, 2026 | Motwani Rocky | Director | A Award | 1,908 | Not measured | Not measured |
| May 14, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | S Sale | 21,568 | $81.53 | $1,758,422 |
| May 14, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | M Exercise | 21,568 | $78.03 | $1,682,843 |
| May 14, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | M Exercise | 21,568 | Not measured | Not measured |
| May 11, 2026 | JORDAN TIMOTHY | Vice President | S Sale | 6,000 | $80.27 | $481,648 |
| Apr 1, 2026 | PITTMAN CAROLYN K | Director | A Award | 102 | Not measured | Not measured |
| Apr 1, 2026 | FEDER FRANKLIN | Director | A Award | 239 | Not measured | Not measured |
| Mar 6, 2026 | ROBINSON MARC E | Director | A Award | 44 | Not measured | Not measured |
| Mar 6, 2026 | CARMOLA JOHN J | Director | A Award | 46 | Not measured | Not measured |
| Mar 6, 2026 | Breunig Joseph C. | Director | A Award | 35 | Not measured | Not measured |
| Mar 6, 2026 | CLARK ROBERT L | Director | A Award | 56 | Not measured | Not measured |
| Mar 6, 2026 | JOHNSON KRISTINA M | Director | A Award | 7 | Not measured | Not measured |
| Mar 6, 2026 | Deans Alison Ann | Director | A Award | 27 | Not measured | Not measured |
| Mar 6, 2026 | Motwani Rocky | Director | A Award | 11 | Not measured | Not measured |
| Mar 6, 2026 | FEDER FRANKLIN | Director | A Award | 41 | Not measured | Not measured |
| Mar 6, 2026 | PITTMAN CAROLYN K | Director | A Award | 33 | Not measured | Not measured |
| Jan 26, 2026 | Hastings Jonathan J | Senior Vice President | F Tax Payment | 1,327 | $68.89 | $91,417 |
| Jan 26, 2026 | CUTLER ERIN | VP, Human Resources | M Exercise | 1,195 | Not measured | Not measured |
| Jan 26, 2026 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | M Exercise | 1,841 | Not measured | Not measured |
| Jan 26, 2026 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | F Tax Payment | 1,019 | $68.89 | $70,199 |
| Jan 26, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | F Tax Payment | 6,152 | $68.89 | $423,811 |
| Jan 26, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | M Exercise | 11,123 | Not measured | Not measured |
| Jan 26, 2026 | CIPOLLA MICHAEL | VICE PRESIDENT | M Exercise | 1,292 | Not measured | Not measured |
| Jan 26, 2026 | ARGIRAKIS BRETT | Group President | M Exercise | 2,672 | Not measured | Not measured |
| Jan 26, 2026 | ARGIRAKIS BRETT | Group President | F Tax Payment | 1,163 | $68.89 | $80,119 |
| Jan 26, 2026 | MONAGLE DJ III | Group President | M Exercise | 3,519 | Not measured | Not measured |
| Jan 26, 2026 | MONAGLE DJ III | Group President | F Tax Payment | 1,947 | $68.89 | $134,129 |
| Jan 26, 2026 | JORDAN TIMOTHY | Vice President | F Tax Payment | 981 | $68.89 | $67,581 |
The full Form 4 history is on the MTX company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.