Insider Transactions Reported by 22 Insiders of Minerals Technologies Inc

Insiders trading volume in the past year

	Insiders	Shares	%	Avg Price	Total $
Buys	4	+4.37K	40.2%	$52.03	+$227K
Sells	1	-6.5K	59.8%	$58.68	-$381K
Net	+3	-2.13K	-19.6%		-$154K

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Report Date
Douglas T. Dietrich	CHAIRMAN AND CEO, Director	$13.4M	+$103K	+0.78%	Apr 30, 2025
Dj Monagle III	Group President	$8.12M			Jan 27, 2025
Jonathan J. Hastings	Senior Vice President	$6.04M			Jan 27, 2025
Thomas Meek	Senior Vice President	$5.97M			Dec 2, 2022
Cipolla Michael	Vice President	$4.21M			Jan 27, 2025
Douglas W. Mayger	Senior Vice President	$3.37M			Jan 26, 2023
Brett Argirakis	Group President	$3.18M	-$381K	-10.7%	Nov 21, 2025
Duane Dunham	Director	$2.46M			Mar 9, 2023
Robert Clark	Director	$2.21M			Dec 4, 2025
John J. Carmola	Director	$1.78M			Dec 4, 2025
Marc Robinson	Director	$1.7M			Dec 4, 2025
Franklin Feder	Director	$1.5M			Dec 4, 2025
Timothy Jordan	Vice President	$1.42M			Jan 27, 2025
Donald C. Winter	Director	$1.33M			Mar 10, 2022
Joseph C. Breunig	Director	$1.29M			Dec 4, 2025
Erik Aldag	Svp Finance And Treasury, Cfo	$1.26M	+$50.4K	+4.18%	Apr 30, 2025
Carolyn Pittman	Director	$1.2M			Dec 4, 2025
Erin Cutler	VP, Human Resources	$1.11M			Jan 27, 2025
Matthew E. Garth	SVP, Finance & Treasury, & CFO	$1M			Mar 7, 2022
Alison Deans	Director	$977K			Dec 4, 2025
Rocky Motwani	Director	$342K	+$20.1K	+6.24%	Dec 4, 2025
Johnson Kristina M	Director	$193K	+$53.8K	+38.5%	Dec 4, 2025

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.