Alison Ann Deans - 04 Dec 2025 Form 4 Insider Report for MINERALS TECHNOLOGIES INC (MTX)

Role: Director
Signature: TIMOTHY JORDAN FOR ALISON DEANS
Issuer symbol: MTX
Transactions as of: 04 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 08 Dec 2025, 15:06:22 UTC
Previous filing: 09 Sep 2025
Next filing: 10 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Deans Alison Ann	Director	622 THIRD AVE., 38TH FLOOR, NEW YORK	TIMOTHY JORDAN FOR ALISON DEANS	08 Dec 2025	0001457249

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	PHANTOM STOCK UNITS	Award	$0	+31	+0.2%	$0.000000	15,412	04 Dec 2025	COMMON STOCK	31		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each phantom stock unit is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.
F2	The phantom stock units were accrued under the Minerals Technologies Inc. Non-Funded Deferred Compensation and Unit Award Plan for Non-Employee Directors and are to be settled in cash upon the reporting person's termination of service as a director.