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MINERALS TECHNOLOGIES INC Director's Dealing 2026

Jan 27, 2026

31712_dirs_2026-01-27_ac79254d-0387-4673-a2a7-5f0522d85772.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINERALS TECHNOLOGIES INC (MTX)
CIK: 0000891014
Period of Report: 2026-01-23

Reporting Person: MONAGLE DJ III (Group President)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2026-01-23 Common Stock M 3795 Acquired 89600 Direct
2026-01-23 Common Stock F 2099 $68.77 Disposed 87501 Direct
2026-01-26 Common Stock M 3519 Acquired 91020 Direct
2026-01-26 Common Stock F 1947 $68.89 Disposed 89073 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2026-01-23 Deferred Restricted Stock Units (DRSUs) $ M 3795 Disposed Common Stock (3795) Direct
2026-01-26 Deferred Restricted Stock Units (DRSUs) $ M 3519 Disposed Common Stock (3519) 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 23, 2024 and vest in three equal annual installments beginning on January 23, 2025.

F5: The DRSUs were granted on January 24, 2023 and vest in three equal annual installments beginning on January 24, 2024.