The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Dietrich Douglas T since 2008.
This trader's CIK number is 1408736.
At the time of last reporting, Dietrich Douglas T was the CHAIRMAN AND CEO of Minerals Technologies Inc. (stock ticker symbol MTX).
Also see all insider trading activities at Minerals Technologies Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MTX | 2,000 | $103,120 | 0 | $0 | 31,690 | $0 |
| 2024 | MTX | 0 | $0 | 36,988 | $3,121,757 | 67,359 | $1,952,612 |
| 2023 | MTX | 0 | $0 | 13,662 | $866,170 | 34,731 | $807,800 |
| 2022 | MTX | 0 | $0 | 16,299 | $978,869 | 49,151 | $766,259 |
| 2021 | MTX | 0 | $0 | 13,615 | $990,736 | 44,677 | $584,739 |
| 2020 | MTX | 1,500 | $49,119 | 11,856 | $728,634 | 34,402 | $480,003 |
| 2019 | MTX | 1,500 | $71,983 | 0 | $0 | 14,100 | $0 |
| 2018 | MTX | 0 | $0 | 0 | $0 | 20,545 | $325,465 |
| 2017 | MTX | 0 | $0 | 0 | $0 | 14,480 | $0 |
| 2016 | MTX | 0 | $0 | 11,080 | $764,409 | 27,571 | $459,767 |
| 2015 | MTX | 0 | $0 | 0 | $0 | 9,474 | $0 |
| 2014 | MTX | 0 | $0 | 0 | $0 | 10,126 | $0 |
| 2013 | MTX | 0 | $0 | 0 | $0 | 26,492 | $337,535 |
| 2012 | MTX | 0 | $0 | 0 | $0 | 4,505 | $1,552 |
| 2011 | MTX | 0 | $0 | 0 | $0 | 3,886 | $0 |
| 2010 | MTX | 0 | $0 | 0 | $0 | 2,917 | $0 |
| 2009 | MTX | 0 | $0 | 0 | $0 | 1,284 | $0 |
| 2008 | MTX | 0 | $0 | 0 | $0 | 350 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-04-30 | MTX | Buy | 2,000 | 51.56 | 103,120 |
| 2025-01-27 | MTX | Option Ex | 9,549 | .00 | 0 |
| 2025-01-24 | MTX | Option Ex | 11,124 | .00 | 0 |
| 2025-01-23 | MTX | Option Ex | 11,017 | .00 | 0 |
| 2024-05-28 | MTX | Option Ex | 12,010 | 60.19 | 722,821 |
| 2024-05-29 | MTX | Option Ex | 24,978 | 49.23 | 1,229,791 |
| 2024-05-28 | MTX | Sale | 12,010 | 84.85 | 1,019,084 |
| 2024-05-29 | MTX | Sale | 24,978 | 84.18 | 2,102,673 |
| 2024-01-26 | MTX | Option Ex | 9,697 | .00 | 0 |
| 2024-01-25 | MTX | Option Ex | 9,550 | .00 | 0 |
| 2024-01-24 | MTX | Option Ex | 11,124 | .00 | 0 |
| 2023-12-07 | MTX | Option Ex | 13,936 | 57.97 | 807,800 |
| 2023-12-07 | MTX | Sale | 13,662 | 63.40 | 866,170 |
| 2023-01-26 | MTX | Option Ex | 9,697 | .00 | 0 |
| 2023-01-23 | MTX | Option Ex | 11,098 | .00 | 0 |
| 2022-09-08 | MTX | Option Ex | 18,558 | 41.29 | 766,259 |
| 2022-09-08 | MTX | Sale | 16,299 | 60.06 | 978,869 |
| 2022-01-26 | MTX | Option Ex | 9,697 | .00 | 0 |
| 2022-01-21 | MTX | Option Ex | 11,099 | .00 | 0 |
| 2022-01-22 | MTX | Option Ex | 9,797 | .00 | 0 |
| 2021-03-15 | MTX | Option Ex | 712 | .00 | 0 |
| 2021-02-25 | MTX | Option Ex | 18,256 | 32.03 | 584,739 |
| 2021-02-25 | MTX | Sale | 13,615 | 72.77 | 990,736 |
| 2021-01-23 | MTX | Option Ex | 4,812 | .00 | 0 |
| 2021-01-22 | MTX | Option Ex | 9,798 | .00 | 0 |
| 2021-01-21 | MTX | Option Ex | 11,099 | .00 | 0 |
| 2020-11-09 | MTX | Sale | 11,856 | 61.46 | 728,634 |
| 2020-11-09 | MTX | Option Ex | 14,894 | 32.23 | 480,003 |
| 2020-03-27 | MTX | Buy | 1,500 | 32.75 | 49,119 |
| 2020-03-13 | MTX | Option Ex | 712 | .00 | 0 |
| 2020-01-23 | MTX | Option Ex | 4,812 | .00 | 0 |
| 2020-01-22 | MTX | Option Ex | 9,798 | .00 | 0 |
| 2020-01-17 | MTX | Option Ex | 4,186 | .00 | 0 |
| 2019-08-29 | MTX | Buy | 1,500 | 47.99 | 71,983 |
| 2019-03-13 | MTX | Option Ex | 713 | .00 | 0 |
| 2019-01-23 | MTX | Option Ex | 4,812 | .00 | 0 |
| 2019-01-19 | MTX | Option Ex | 4,388 | .00 | 0 |
| 2019-01-17 | MTX | Option Ex | 4,187 | .00 | 0 |
| 2018-06-21 | MTX | Option Ex | 4,328 | 75.20 | 325,465 |
| 2018-01-19 | MTX | Option Ex | 4,388 | .00 | 0 |
| 2018-01-20 | MTX | Option Ex | 7,642 | .00 | 0 |
| 2018-01-17 | MTX | Option Ex | 4,187 | .00 | 0 |
| 2017-01-22 | MTX | Option Ex | 2,449 | .00 | 0 |
| 2017-01-20 | MTX | Option Ex | 7,643 | .00 | 0 |
| 2017-01-19 | MTX | Option Ex | 4,388 | .00 | 0 |
| 2016-08-09 | MTX | Option Ex | 14,200 | 32.38 | 459,767 |
| 2016-08-09 | MTX | Sale | 11,080 | 68.99 | 764,409 |
| 2016-01-22 | MTX | Option Ex | 5,727 | .00 | 0 |
| 2016-01-20 | MTX | Option Ex | 7,644 | .00 | 0 |
| 2015-01-25 | MTX | Option Ex | 3,746 | .00 | 0 |
| 2015-01-22 | MTX | Option Ex | 5,728 | .00 | 0 |
| 2014-01-27 | MTX | Option Ex | 6,848 | .00 | 0 |
| 2014-01-22 | MTX | Option Ex | 3,278 | .00 | 0 |
| 2013-08-07 | MTX | Option Ex | 17,000 | 19.86 | 337,535 |
| 2013-01-28 | MTX1 | Option Ex | 5,744 | .00 | 0 |
| 2013-01-25 | MTX | Option Ex | 3,748 | .00 | 0 |
| 2012-01-28 | MTX | Option Ex | 1,633 | .00 | 0 |
| 2012-01-27 | MTX | Option Ex | 1,320 | .00 | 0 |
| 2012-01-26 | MTX | Option Ex | 1,552 | 1.00 | 1,552 |
| 2011-02-27 | MTX | Option Ex | 933 | .00 | 0 |
| 2011-01-28 | MTX | Option Ex | 1,633 | .00 | 0 |
| 2011-01-27 | MTX | Option Ex | 1,320 | .00 | 0 |
| 2010-08-02 | MTX | Option Ex | 350 | .00 | 0 |
| 2010-03-01 | MTX | Option Ex | 933 | .00 | 0 |
| 2010-01-28 | MTX | Option Ex | 1,634 | .00 | 0 |
| 2009-08-03 | MTX | Option Ex | 350 | .00 | 0 |
| 2009-02-27 | MTX | Option Ex | 934 | .00 | 0 |
| 2008-08-01 | MTX | Option Ex | 350 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Dietrich Douglas T (CHAIRMAN AND CEO of Minerals Technologies Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.