Douglas T Dietrich Net Worth
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Douglas T Dietrich has an estimated net worth of at least $22.0 million*, as of May 28, 2026. They own shares of MTX stock. They have sold 88,517 shares of MTX stock since 2021, for an estimated $6.6 million.
Douglas T Dietrich $MTX SEC Form 4 Insider Trading
Douglas T Dietrich has filed a total of 6 insider trades in $MTX since 2021. Their most recent trade was a sale of 21,568 shares, made on May 14, 2026. Their largest trade was a sale of 24,978 shares, made on May 29, 2024. We estimate that they now own shares of $MTX, worth an estimated $15.4 million.
Insider Trading at $MTX
There have been a total of 45 insider trades reported at $MTX since 2021, with 5,692 shares purchased and 338,408 shares sold. The most active insider traders in $MTX stock have been Dj Iii Monagle, Jonathan J Hastings, and Thomas J Meek. The most recent trade was a sale of 21,568 shares reported by DOUGLAS T DIETRICH (CHAIRMAN AND CEO), made on May 14, 2026.
History of Insider Stock Trades by Douglas T Dietrich
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
MTX
|
Sale | 21,568 | May 14, 2026 | May 18, 2026, 9:58 a.m. |
|
MTX
|
Purchase | 2,000 | Apr 30, 2025 | May 1, 2025, 11:20 a.m. |
|
MTX
|
Sale | 12,010 | May 28, 2024 | May 30, 2024, 3:56 p.m. |
|
MTX
|
Sale | 24,978 | May 29, 2024 | May 30, 2024, 3:56 p.m. |
|
MTX
|
Sale | 13,662 | Dec 07, 2023 | Dec. 8, 2023, 5:05 p.m. |
|
MTX
|
Sale | 16,299 | Sep 08, 2022 | Sept. 12, 2022, 2:58 p.m. |
$MTX Executives and Stock Owners with Insider Trades
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Dj Iii Monagle, Group President
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Jonathan J Hastings, Senior Vice President
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Thomas J Meek, Senior Vice President
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Douglas T Dietrich, Chairman and CEO
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Brett Argirakis, Group President
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Michael Cipolla, VICE PRESIDENT
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Douglas T Dietrich, CHAIRMAN AND CEO
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Douglas W Mayger, Senior Vice President
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Brett Argirakis, Senior Vice President
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Erik Aldag, SVP FINANCE AND TREASURY, CFO
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Erin Cutler, VP, Human Resources
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Jonathan J Hastings, Group President
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Matthew E Garth, SVP, Finance & Treasury, & CFO
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Timothy Jordan, Vice President
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.