Minerals Technologies Ownership & Insider Activity

Minerals Technologies (MTX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 3.8% of shares outstanding. Institutional investors hold 89.6%.

Shares Outstanding

31.049M

Shares Float

21.203M

Insider Shares Owned

1.171M

Insider % Owned

3.8%

Institutional Shares Held

27.881M

Institutional % Held

89.6%

Ownership Breakdown

Net Insider Activity by Month

Minerals Technologies Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 14, 2026	Douglas Dietrich	CHAIRMAN AND CEO	SELL-OPTIONS	—	$79.78	$76K
May 11, 2026	Timothy Jordan	VICE PRESIDENT	SELL	6.000K	$80.27	$482K

Date	Member	Party	Chamber	Action	Amount
Jul 10, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jan 5, 2026	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
May 6, 2025	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jun 21, 2024	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000