Douglas T. Dietrich - 20 Jan 2026 Form 4 Insider Report for MINERALS TECHNOLOGIES INC (MTX)

Signature
/s/ Timothy J Jordan for Douglas Dietrich
Issuer symbol
MTX
Transactions as of
20 Jan 2026
Net transactions value
$0
Form type
4
Filing time
22 Jan 2026, 13:42:17 UTC
Previous filing
25 Nov 2025
Next filing
23 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DIETRICH DOUGLAS T CHAIRMAN AND CEO, Director 622 THIRD AVENUE, NEW YORK /s/ Timothy J Jordan for Douglas Dietrich 22 Jan 2026 0001408736

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MTX Deferred Restricted Stock Units (DRSUs) Award $0 +39,000 +62% $0.000000 102,253 20 Jan 2026 Common Stock 39,000 Direct F1, F2
transaction MTX Employee Stock Option (Right to Buy) Award $0 +33,494 $0.000000 33,494 20 Jan 2026 Common Stock 33,494 $66.23 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.
F2 The DRSUs were granted on January 20, 2026 and vest in three equal annual installments beginning on January 20, 2027.
F3 These options were granted on January 20, 2026 and vest in three equal annual installments beginning on January 20, 2027.