Douglas T. Dietrich serves as Executive at MINERALS TECHNOLOGIES INC, where they oversee executive responsibilities. Since joining the company, Douglas T. Dietrich has executed 138 insider transactions totaling $7.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 24, 2026 involved receiving (via award) 642.15 shares valued at $25.8K.
Douglas T. Dietrich currently holds 10,603.48 shares of MINERALS TECHNOLOGIES INC (MTX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Douglas T. Dietrich has been a net seller of MTX stock. They have purchased $121.1K and sold $7.4M worth of shares.
Douglas T. Dietrich's most recent insider trade was on Feb 24, 2026, when they sold 642.15 shares at $40.10 per share.
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| $N/A |
| Discretionary |
| Jan 30, 2026 | KMT | $860 | Payment | 25 | $34.39 | Discretionary |
| Jan 30, 2026 | KMT | $28.9K | Option Exercise | 841 | $34.39 | Discretionary |
| Jan 26, 2026 | MTX | $0 | Option Exercise | 11,123 | $N/A | Discretionary |
| Jan 26, 2026 | MTX | $423.8K | Payment | 6,152 | $68.89 | Discretionary |
| Jan 26, 2026 | MTX | $0 | Option Exercise | 11,123 | $N/A | Discretionary |
| Jan 23, 2026 | MTX | $0 | Option Exercise | 11,016 | $N/A | Discretionary |
| Jan 23, 2026 | MTX | $418.9K | Payment | 6,092 | $68.77 | Discretionary |
| Jan 23, 2026 | MTX | $0 | Option Exercise | 11,016 | $N/A | Discretionary |
| Jan 21, 2026 | MTX | $0 | Option Exercise | 10,033 | $N/A | Discretionary |
| Jan 21, 2026 | MTX | $376.8K | Payment | 5,630 | $66.92 | Discretionary |
| Jan 21, 2026 | MTX | $0 | Option Exercise | 10,033 | $N/A | Discretionary |
| May 29, 2024 | MTX | $879.4K | Option Exercise | 22,968 | $38.29 | Discretionary |
| May 29, 2024 | MTX | $121.0K | Option Exercise | 2,010 | $60.19 | Discretionary |
| May 29, 2024 | MTX | $2.1M | Sale | 24,978 | $84.18 | Discretionary |
| May 28, 2024 | MTX | $722.9K | Option Exercise | 12,010 | $60.19 | Discretionary |
| May 28, 2024 | MTX | $1.0M | Sale | 12,010 | $84.85 | Discretionary |
| Jan 26, 2024 | MTX | $356.7K | Payment | 5,363 | $66.51 | Discretionary |
| Jan 26, 2024 | MTX | $0 | Option Exercise | 9,697 | $N/A | Discretionary |
| Jan 25, 2024 | MTX | $0 | Option Exercise | 9,550 | $N/A | Discretionary |
| Jan 25, 2024 | MTX | $349.1K | Payment | 5,282 | $66.09 | Discretionary |
| Jan 24, 2024 | MTX | $411.1K | Payment | 6,219 | $66.10 | Discretionary |
| Jan 24, 2024 | MTX | $0 | Option Exercise | 11,124 | $N/A | Discretionary |
| Dec 7, 2023 | MTX | $866.2K | Sale | 13,662 | $63.40 | Discretionary |
| Dec 7, 2023 | MTX | $807.9K | Option Exercise | 13,936 | $57.97 | Discretionary |
| Jan 26, 2023 | MTX | $362.3K | Payment | 5,363 | $67.56 | Discretionary |
| Jan 26, 2023 | MTX | $0 | Option Exercise | 9,697 | $N/A | Discretionary |
| Jan 25, 2023 | MTX | $350.8K | Payment | 5,282 | $66.42 | Discretionary |
| Jan 25, 2023 | MTX | $0 | Option Exercise | 9,550 | $N/A | Discretionary |