MINERALS TECHNOLOGIES INC — Director's Dealing 2026

Jan 23, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINERALS TECHNOLOGIES INC (MTX)
CIK: 0000891014
Period of Report: 2026-01-21

Reporting Person: MONAGLE DJ III (Group President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-21	Common Stock	M	3492	—	Acquired	87841	Direct
2026-01-21	Common Stock	F	2036	$66.92	Disposed	85805	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-21	Deferred Restricted Stock Units (DRSUs)	$	M	3492	Disposed		Common Stock (3492)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	807.854	Indirect

Footnotes

F1: These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations.

F2: The information contained in this report is based on a Plan Statement dated as of January 21, 2026.

F3: Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock.

F4: The DRSUs were granted on January 21, 2025, and vest in three equal annual installments beginning on January 21, 2026.