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DIETRICH DOUGLAS T

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to DIETRICH DOUGLAS T. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

MTX
Company Title Type Shares Price Value Date
MTX CHAIRMAN AND CEO Purchase 2,000 $51.56 $103,120 Apr 30, 2025
MTX Chairman and CEO Option Exercise 9,549 Jan 27, 2025
MTX Chairman and CEO Tax Withholding 6,152 $75.68 $465,583 Jan 24, 2025
MTX Chairman and CEO Tax Withholding 6,129 $75.65 $463,659 Jan 23, 2025
MTX Chairman and CEO Option Exercise 12,010 $60.19 $722,882 May 29, 2024
MTX Chairman and CEO Option Exercise 9,550 Jan 26, 2024
MTX Chairman and CEO Tax Withholding 6,219 $66.10 $411,076 Jan 24, 2024
MTX Chairman and CEO Sale 13,662 $63.40 $866,171 Dec 7, 2023
MTX Chairman and CEO Tax Withholding 5,363 $67.56 $362,324 Jan 26, 2023
MTX Chairman and CEO Tax Withholding 5,282 $66.42 $350,830 Jan 25, 2023
MTX Chairman and CEO Tax Withholding 6,199 $66.17 $410,188 Jan 23, 2023
MTX Chairman and CEO Option Exercise 18,558 $41.29 $766,260 Sep 8, 2022
MTX Chairman and CEO Tax Withholding 5,363 $70.63 $378,789 Jan 26, 2022
MTX Chairman and CEO Option Exercise 9,797 Jan 21, 2022
MTX Chief Executive Officer Tax Withholding 379 $78.46 $29,736 Mar 15, 2021
MTX Chief Executive Officer Sale 3,117 $73.69 $229,692 Feb 25, 2021
MTX Chief Executive Officer Option Exercise 9,798 Jan 22, 2021
MTX Chief Executive Officer Tax Withholding 5,953 $66.33 $394,862 Jan 21, 2021
MTX Chief Executive Officer Sale 11,856 $61.46 $728,670 Nov 9, 2020
MTX Chief Executive Officer Purchase 1,500 $32.75 $49,125 Mar 27, 2020
MTX Chief Executive Officer Tax Withholding 379 $33.67 $12,761 Mar 13, 2020
MTX Chief Executive Officer Tax Withholding 2,561 $56.75 $145,337 Jan 23, 2020
MTX Chief Executive Officer Tax Withholding 5,215 $57.39 $299,289 Jan 22, 2020
MTX Chief Executive Officer Option Exercise 4,186 Jan 17, 2020
MTX CHIEF EXECUTIVE OFFICER Purchase 1,500 $47.99 $71,985 Aug 29, 2019
MTX Chief Executive Officer Tax Withholding 380 $60.40 $22,952 Mar 13, 2019
MTX Chief Executive Officer Option Exercise 4,812 Jan 23, 2019
MTX Chief Executive Officer Option Exercise 4,388 Jan 22, 2019
MTX Chief Executive Officer Option Exercise 4,187 Jan 17, 2019
MTX Chief Executive Officer Option Exercise 4,328 $75.20 $325,466 Jun 21, 2018
MTX Chief Executive Officer Option Exercise 4,388 Jan 20, 2018
MTX Chief Executive Officer Option Exercise 4,187 Jan 17, 2018
MTX Chief Financial Officer Tax Withholding 1,377 $78.40 $107,957 Jan 22, 2017
MTX Chief Financial Officer Tax Withholding 4,298 $78.39 $336,920 Jan 20, 2017
MTX Chief Financial Officer Tax Withholding 2,525 $77.53 $195,763 Jan 19, 2017
MTX Chief Financial Officer Sale 1,000 $68.72 $68,720 Aug 9, 2016
MTX Chief Financial Officer Tax Withholding 3,221 $39.66 $127,745 Jan 22, 2016
MTX Chief Financial Officer Tax Withholding 3,274 $37.49 $122,742 Jan 20, 2016
MTX Chief Financial Officer Tax Withholding 1,545 $61.43 $94,909 Jan 25, 2015
MTX Chief Financial Officer Tax Withholding 1,413 $61.06 $86,278 Jan 22, 2015
MTX Chief Financial Officer Tax Withholding 1,545 $56.00 $86,520 Jan 27, 2014
MTX Chief Financial Officer Tax Withholding 1,416 $57.97 $82,086 Jan 22, 2014
MTX Chief Financial Officer Option Exercise 17,000 $19.86 $337,620 Aug 7, 2013
MTX Chief Financial Officer Tax Withholding 1,168 $41.80 $48,822 Jan 28, 2013
MTX Chief Financial Officer Tax Withholding 1,749 $41.62 $72,793 Jan 25, 2013
MTX Senior Vice President Option Exercise 1,633 Jan 28, 2012
MTX Senior Vice President Tax Withholding 533 $64.62 $34,442 Jan 27, 2012
MTX Senior Vice President Tax Withholding 681 $64.36 $43,829 Jan 26, 2012
MTX VICE PRESIDENT Tax Withholding 378 $64.32 $24,313 Feb 27, 2011
MTX VICE PRESIDENT Option Exercise 1,633 Jan 28, 2011