Minerals Technologies Inc (MTX) Insider Ownership

Historic Insider Ownership Trends

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).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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