| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| JORDAN TIMOTHY | Vice President | 622 THIRD AVENUE, NEW YORK | /s/ Timothy J. Jordan | 27 Jan 2026 | 0001958124 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $0 | +2,046 | +38% | $0.000000 | 7,401 | 23 Jan 2026 | Direct | |
| transaction | MTX | Common Stock | Tax liability | $72,759 | -1,058 | -14% | $68.77 | 6,343 | 23 Jan 2026 | Direct | F1 |
| transaction | MTX | Common Stock | Options Exercise | $0 | +1,917 | +30% | $0.000000 | 8,260 | 26 Jan 2026 | Direct | |
| transaction | MTX | Common Stock | Tax liability | $67,581 | -981 | -12% | $68.89 | 7,279 | 26 Jan 2026 | Direct | F1 |
| holding | MTX | Common Stock | 2,678 | 23 Jan 2026 | By 401(k) | F2 |
| 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) | Options Exercise | $0 | -2,046 | -12% | $0.000000 | 14,787 | 23 Jan 2026 | Common Stock | 2,046 | Direct | F3, F4 | |
| transaction | MTX | Deferred Restricted Stock Units (DRSUs) | Options Exercise | $0 | -1,917 | -13% | $0.000000 | 12,870 | 26 Jan 2026 | Common Stock | 1,917 | Direct | F3, F5 |
| Id | Content |
|---|---|
| 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. |