EdgarLookup

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