MTX Insider Trading
MINERALS TECHNOLOGIES INC | Industrial Inorganic Chemicals
Comprehensive Trading Performance Summary
The investment history of corporate insiders at MINERALS TECHNOLOGIES INC provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Industrial Inorganic Chemicals sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2025-12-31 19:34 | 2025-12-29 | MONAGLE DJ III | Officer - Group President | OPT+S | $61.90 | 23,093 | $1,429,524 | 84,349 | 0.0% |
| 2025-11-25 19:59 | 2025-11-21 | ARGIRAKIS BRETT | Officer - Group President | OPT+S | $58.68 | 6,501 | $381,459 | 27,602 | 0.0% |
| 2025-06-17 18:23 | 2025-06-16 | Motwani Rocky | Director | BUY | $54.31 | 370 | $20,094 | 1,192 | +45.0% |
| 2025-05-05 19:19 | 2025-05-02 | JOHNSON KRISTINA M | Director | BUY | $53.79 | 1,000 | $53,785 | 1,400 | +250.0% |
| 2025-05-01 18:21 | 2025-04-30 | ALDAG ERIK | Officer - SVP FINANCE AND TREASURY, CFO | BUY | $50.37 | 1,000 | $50,370 | 4,245 | +30.8% |
| 2025-05-01 18:20 | 2025-04-30 | DIETRICH DOUGLAS T | Director, Officer - CHAIRMAN AND CEO | BUY | $51.56 | 2,000 | $103,120 | 161,675 | +1.3% |
| 2024-06-26 18:41 | 2024-06-24 | MONAGLE DJ III | Officer - Group President | OPT+S | $83.63 | 14,229 | $1,189,910 | 79,731 | 0.0% |
| 2024-06-21 00:03 | 2024-06-18 | Hastings Jonathan J | Officer - Senior Vice President | OPT+S | $84.35 | 21,543 | $1,817,197 | 53,862 | 0.0% |
| 2024-06-18 19:29 | 2024-06-17 | ARGIRAKIS BRETT | Officer - Group President | OPT+S | $83.95 | 2,259 | $189,643 | 23,102 | 0.0% |
| 2024-06-14 22:12 | 2024-06-12 | Hastings Jonathan J | Officer - Senior Vice President | OPT+S | $85.42 | 8,964 | $765,680 | 53,862 | 0.0% |
| 2024-06-04 22:54 | 2024-06-03 | CUTLER ERIN | Officer - VP, Human Resources | OPT+S | $86.16 | 225 | $19,386 | 3,769 | 0.0% |
| 2024-05-30 22:56 | 2024-05-28 | DIETRICH DOUGLAS T | Director, Officer - Chairman and CEO | OPT+S | $84.40 | 36,988 | $3,121,743 | 145,547 | 0.0% |
| 2024-05-30 23:04 | 2024-05-28 | CIPOLLA MICHAEL | Officer - VICE PRESIDENT | OPT+S | $84.36 | 11,958 | $1,008,741 | 35,864 | 0.0% |
| 2024-05-23 17:59 | 2024-05-21 | Hastings Jonathan J | Officer - Senior Vice President | OPT+S | $83.13 | 7,814 | $649,601 | 53,862 | 0.0% |
| 2024-05-17 19:04 | 2024-05-16 | JOHNSON KRISTINA M | Director | BUY | $80.92 | 400 | $32,368 | 400 | +100.0% |
| 2024-03-26 18:56 | 2024-03-22 | MONAGLE DJ III | Officer - Group President | OPT+S | $74.12 | 1,180 | $87,459 | 81,031 | 0.0% |
| 2024-02-21 22:08 | 2024-02-20 | Hastings Jonathan J | Officer - Senior Vice President | OPT+S | $71.48 | 12,922 | $923,644 | 53,862 | 0.0% |
| 2023-12-22 22:29 | 2023-12-20 | MONAGLE DJ III | Officer - Group President | OPT+S | $68.08 | 14,598 | $993,803 | 76,720 | 0.0% |
| 2023-12-19 01:03 | 2023-12-14 | ARGIRAKIS BRETT | Officer - Group President | OPT+S | $66.84 | 2,655 | $177,460 | 19,011 | 0.0% |
| 2023-12-09 00:05 | 2023-12-07 | DIETRICH DOUGLAS T | Director, Officer - Chairman and CEO | OPT+S | $63.40 | 13,662 | $866,167 | 132,040 | 0.0% |
| 2023-12-08 23:52 | 2023-12-07 | CIPOLLA MICHAEL | Officer - VICE PRESIDENT | OPT+S | $63.36 | 4,818 | $305,278 | 34,040 | 0.0% |
| 2023-12-05 00:46 | 2023-11-30 | Hastings Jonathan J | Officer - Senior Vice President | OPT+S | $62.44 | 8,960 | $559,457 | 49,131 | 0.0% |
| 2023-03-09 02:17 | 2023-03-06 | Motwani Rocky | Director | BUY | $60.82 | 822 | $49,994 | 822 | +100.0% |
| 2022-12-21 20:05 | 2022-12-20 | ARGIRAKIS BRETT | Officer - Senior Vice President | OPT+S | $60.03 | 927 | $55,652 | 15,694 | 0.0% |
| 2022-12-06 03:28 | 2022-12-02 | Meek Thomas J | Officer - Senior Vice President | OPT+S | $62.52 | 16,795 | $1,050,015 | 83,852 | 0.0% |
| 2022-09-13 22:00 | 2022-09-12 | MONAGLE DJ III | Officer - Group President | OPT+S | $63.36 | 19,673 | $1,246,438 | 72,402 | 0.0% |
| 2022-09-12 21:58 | 2022-09-08 | DIETRICH DOUGLAS T | Director, Officer - Chairman and CEO | OPT+S | $60.06 | 16,299 | $978,874 | 118,265 | 0.0% |
| 2022-08-22 19:44 | 2022-08-18 | Hastings Jonathan J | Officer - Group President | OPT+S | $65.67 | 11,739 | $770,915 | 44,468 | 0.0% |
| 2022-08-15 22:31 | 2022-08-11 | CIPOLLA MICHAEL | Officer - VICE PRESIDENT | OPT+S | $64.27 | 6,356 | $408,530 | 32,286 | 0.0% |
| 2022-03-08 23:35 | 2022-03-07 | GARTH MATTHEW E | Officer - SVP, Finance & Treasury, & CFO | BUY | $63.75 | 100 | $6,375 | 13,591 | +0.7% |
| 2021-12-18 00:03 | 2021-12-16 | MONAGLE DJ III | Officer - Group President | OPT+S | $72.48 | 9,340 | $676,960 | 67,792 | 0.0% |
| 2021-12-16 23:40 | 2021-12-14 | Meek Thomas J | Officer - Senior Vice President | OPT+S | $71.06 | 17,114 | $1,216,176 | 77,887 | 0.0% |
| 2021-11-19 20:07 | 2021-11-17 | MONAGLE DJ III | Officer - Group President | OPT+S | $74.29 | 8,600 | $638,895 | 67,792 | 0.0% |
| 2021-06-08 22:41 | 2021-06-04 | MAYGER DOUGLAS W | Officer - Senior Vice President | OPT+S | $86.04 | 11,628 | $1,000,463 | 42,681 | 0.0% |
| 2021-02-27 02:19 | 2021-02-25 | DIETRICH DOUGLAS T | Director, Officer - Chief Executive Officer | OPT+S | $72.48 | 13,615 | $986,871 | 102,045 | 0.0% |
| 2021-02-27 02:18 | 2021-02-24 | CIPOLLA MICHAEL | Officer - VICE PRESIDENT | OPT+S | $72.36 | 6,246 | $451,989 | 30,374 | 0.0% |
| 2021-02-19 01:32 | 2021-02-16 | MAYGER DOUGLAS W | Officer - Senior Vice President | OPT+S | $68.36 | 24,500 | $1,674,830 | 42,681 | 0.0% |
| 2020-12-30 20:14 | 2020-12-28 | Hastings Jonathan J | Officer - Group President | OPT+S | $62.52 | 5,190 | $324,466 | 34,975 | 0.0% |
| 2020-12-15 01:27 | 2020-12-10 | JONES ANDREW M | Officer - Vice President | OPT+S | $61.93 | 3,009 | $186,357 | 8,732 | 0.0% |
| 2020-11-14 00:07 | 2020-11-11 | MONAGLE DJ III | Officer - Group President | OPT+S | $60.04 | 14,662 | $880,306 | 60,793 | 0.0% |
| 2020-11-13 00:35 | 2020-11-10 | CIPOLLA MICHAEL | Officer - VICE PRESIDENT | OPT+S | $62.63 | 5,992 | $375,279 | 28,225 | 0.0% |
| 2020-11-11 03:01 | 2020-11-09 | Meek Thomas J | Officer - Senior Vice President | OPT+S | $61.54 | 11,807 | $726,620 | 72,180 | 0.0% |
| 2020-11-11 03:02 | 2020-11-09 | DIETRICH DOUGLAS T | Director, Officer - Chief Executive Officer | OPT+S | $61.46 | 11,856 | $728,634 | 85,424 | 0.0% |
| 2020-03-31 01:50 | 2020-03-27 | DIETRICH DOUGLAS T | Director, Officer - Chief Executive Officer | BUY | $32.75 | 1,500 | $49,119 | 82,386 | +1.9% |
| 2019-12-12 02:47 | 2019-12-10 | Meek Thomas J | Officer - Senior Vice President | OPT+S | $45.90 | 14,369 | $659,477 | 63,881 | 0.0% |
| 2019-12-12 02:47 | 2019-12-11 | MONAGLE DJ III | Officer - Senior Vice President | OPT+S | $54.82 | 14,194 | $778,065 | 53,255 | 0.0% |
| 2019-12-12 02:47 | 2019-12-09 | CIPOLLA MICHAEL | Officer - VICE PRESIDENT | OPT+S | $54.70 | 7,380 | $403,690 | 26,278 | 0.0% |
| 2019-09-03 22:11 | 2019-08-29 | DIETRICH DOUGLAS T | Director, Officer - CHIEF EXECUTIVE OFFICER | BUY | $47.99 | 1,500 | $71,984 | 71,841 | +2.1% |
| 2019-08-29 21:17 | 2019-08-27 | Meek Thomas J | Officer - Senior Vice President | OPT+S | $45.90 | 7,502 | $344,310 | 58,250 | 0.0% |
| 2019-03-14 23:00 | 2019-03-14 | CLARK ROBERT L | Director | BUY | $58.64 | 200 | $11,728 | 400 | +100.0% |
How to Interpret $MTX Trades
Not every insider transaction in MINERALS TECHNOLOGIES INC is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $MTX shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for MTX
Insider activity data for MINERALS TECHNOLOGIES INC is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $MTX, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.