As of May 30, 2026, Minerals Technologies's top three insider holders are Douglas T Dietrich (Chairman And Ceo, 175.97K shares), Douglas T Dietrich (Chairman And Ceo, 161.68K shares), Dj Iii Monagle (Group President, 89.07K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael Cipolla | Vice President | 39,529 | 0 | 27 Jan, 2026 |
| Kristina M Johnson | - | 1,400 | 0 | 05 May, 2025 |
| Douglas T Dietrich | Chairman And Ceo | 175,973 | 0 | 27 Jan, 2026 |
| Dj Iii Monagle | Group President | 89,073 | 0 | 27 Jan, 2026 |
| Douglas W Mayger | Senior Vice President | 45,744 | 0 | 27 Jan, 2023 |
| Thomas J Meek | Senior Vice President | 83,852 | 0 | 05 Dec, 2022 |
| Jonathan J Hastings | Senior Vice President | 63,811 | 0 | 27 Jan, 2026 |
| Matthew E Garth | Svp, Finance Treasury, Cfo | 13,591 | 0 | 08 Mar, 2022 |
| Brett Argirakis | Group President | 32,600 | 0 | 27 Jan, 2026 |
| Erin Cutler | Vp, Human Resources | 7,734 | 0 | 27 Jan, 2026 |
| Rocky Motwani | - | 1,192 | 0 | 17 Jun, 2025 |
| Erik Aldag | Svp Finance And Treasury, Cfo | 6,959 | 0 | 27 Jan, 2026 |
| Timothy Jordan | Vice President | 7,279 | 0 | 27 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Franklin Feder | PHANTOM STOCK UNITS | A | 239 | $0.00 | 23,223 | D | A |
| 01 Apr, 2026 | Carolyn K Pittman | PHANTOM STOCK UNITS | A | 102 | $0.00 | 18,711 | D | A |
| 01 Apr, 2026 | Carolyn K Pittman | PHANTOM STOCK UNITS | A | 102 | $0.00 | 18,711 | D | A |
| 06 Mar, 2026 | Franklin Feder | PHANTOM STOCK UNITS | A | 41 | $0.00 | 22,984 | D | A |
| 06 Mar, 2026 | Marc E Robinson | PHANTOM STOCK UNITS | A | 44 | $0.00 | 24,965 | D | A |
| 06 Mar, 2026 | Carolyn K Pittman | PHANTOM STOCK UNITS | A | 33 | $0.00 | 18,609 | D | A |
| 06 Mar, 2026 | Marc E Robinson | PHANTOM STOCK UNITS | A | 44 | $0.00 | 24,965 | D | A |
| 06 Mar, 2026 | Alison Ann Deans | PHANTOM STOCK UNITS | A | 27 | $0.00 | 15,439 | D | A |
| 06 Mar, 2026 | Kristina M Johnson | PHANTOM STOCK UNITS | A | 7 | $0.00 | 4,081 | D | A |
| 06 Mar, 2026 | Rocky Motwani | PHANTOM STOCK UNITS | A | 11 | $0.00 | 6,185 | D | A |
| 06 Mar, 2026 | Robert L Clark | PHANTOM STOCK UNITS | A | 56 | $0.00 | 31,742 | D | A |
| 06 Mar, 2026 | Joseph C. Breunig | PHANTOM STOCK UNITS | A | 35 | $0.00 | 19,622 | D | A |
| 06 Mar, 2026 | John J Carmola | PHANTOM STOCK UNITS | A | 46 | $0.00 | 26,004 | D | A |
| 06 Mar, 2026 | Carolyn K Pittman | PHANTOM STOCK UNITS | A | 33 | $0.00 | 18,609 | D | A |
| 06 Mar, 2026 | Rocky Motwani | PHANTOM STOCK UNITS | A | 11 | $0.00 | 6,185 | D | A |
| 23 Jan, 2026 | Michael Cipolla | Common Stock | A | 1,427 | $0.00 | 39,671 | D | M |
| 23 Jan, 2026 | Dj Iii Monagle | Common Stock | A | 3,795 | $0.00 | 89,600 | D | M |
| 23 Jan, 2026 | Brett Argirakis | Common Stock | A | 3,247 | $0.00 | 32,504 | D | M |
| 23 Jan, 2026 | Douglas T Dietrich | Common Stock | A | 11,016 | $0.00 | 177,094 | D | M |
| 23 Jan, 2026 | Erik Aldag | Common Stock | A | 2,243 | $0.00 | 7,377 | D | M |