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MTX US​
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Minerals Technologies Inc(MTX US)

$61.83-0.100.16%Ext:$68.35+6.5210.55%(Market Closed · 23:59:31 UTC)
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SEC Filings by Owner

Insider Ownership

CLARK ROBERT L(147)

  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025
  • 4Statement of changes in beneficial ownership9 Dec 2024

GOLUB STEVEN J(141)

  • 4Statement of changes in beneficial ownership2 Apr 2013
  • 4Statement of changes in beneficial ownership1 Apr 2013
  • 4Statement of changes in beneficial ownership26 Mar 2013
  • 4Statement of changes in beneficial ownership15 Mar 2013
  • 4Statement of changes in beneficial ownership4 Jan 2013
  • 4Statement of changes in beneficial ownership3 Jan 2013
  • 4Statement of changes in beneficial ownership3 Oct 2012
  • 4Statement of changes in beneficial ownership17 Sep 2012
  • 4Statement of changes in beneficial ownership5 Jul 2012
  • 4Statement of changes in beneficial ownership15 Jun 2012

DUNHAM DUANE(137)

  • 4Statement of changes in beneficial ownership13 Mar 2023
  • 4Statement of changes in beneficial ownership9 Dec 2022
  • 4Statement of changes in beneficial ownership13 Sep 2022
  • 4Statement of changes in beneficial ownership21 Jun 2022
  • 4Statement of changes in beneficial ownership19 May 2022
  • 4Statement of changes in beneficial ownership14 Mar 2022
  • 4Statement of changes in beneficial ownership10 Dec 2021
  • 4Statement of changes in beneficial ownership13 Sep 2021
  • 4Statement of changes in beneficial ownership21 Jun 2021
  • 4Statement of changes in beneficial ownership21 May 2021

REID JOHN T(130)

  • 4Statement of changes in beneficial ownership15 Jun 2012
  • 4Statement of changes in beneficial ownership17 May 2012
  • 4Statement of changes in beneficial ownership3 Apr 2012
  • 4Statement of changes in beneficial ownership16 Mar 2012
  • 4Statement of changes in beneficial ownership5 Jan 2012
  • 4Statement of changes in beneficial ownership16 Dec 2011
  • 4Statement of changes in beneficial ownership4 Oct 2011
  • 4Statement of changes in beneficial ownership16 Sep 2011
  • 4Statement of changes in beneficial ownership16 Sep 2011
  • 4Statement of changes in beneficial ownership6 Jul 2011

CARMOLA JOHN J(119)

  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025
  • 4Statement of changes in beneficial ownership9 Dec 2024

PASQUALE MICHAEL F(98)

  • 4Statement of changes in beneficial ownership13 Dec 2013
  • 4Statement of changes in beneficial ownership13 Sep 2013
  • 4Statement of changes in beneficial ownership14 Jun 2013
  • 4Statement of changes in beneficial ownership16 May 2013
  • 4Statement of changes in beneficial ownership15 Mar 2013
  • 4Statement of changes in beneficial ownership3 Jan 2013
  • 4Statement of changes in beneficial ownership17 Sep 2012
  • 4Statement of changes in beneficial ownership15 Jun 2012
  • 4Statement of changes in beneficial ownership17 May 2012
  • 4Statement of changes in beneficial ownership16 Mar 2012

CIPOLLA MICHAEL(88)

  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT30 May 2024
  • 4PRIMARY DOCUMENT29 Jan 2024
  • 4PRIMARY DOCUMENT26 Jan 2024

MUSCARI JOSEPH C(87)

  • 4Statement of changes in beneficial ownership10 Jun 2016
  • 4Statement of changes in beneficial ownership10 Mar 2016
  • 4/APRIMARY DOCUMENT9 Feb 2016
  • 4PRIMARY DOCUMENT22 Jan 2016
  • 4PRIMARY DOCUMENT21 Jan 2016
  • 4Statement of changes in beneficial ownership11 Dec 2015
  • 4Statement of changes in beneficial ownership11 Sep 2015
  • 4Statement of changes in beneficial ownership11 Jun 2015
  • 4Statement of changes in beneficial ownership12 Mar 2015
  • 4Statement of changes in beneficial ownership26 Jan 2015

MONAGLE DJ III(86)

  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4PRIMARY DOCUMENT31 Dec 2025
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT26 Jun 2024
  • 4Statement of changes in beneficial ownership6 Jun 2024

PITTMAN CAROLYN K(86)

  • 4Statement of changes in beneficial ownership2 Oct
  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership2 Jul
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership2 Apr
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership5 Jan
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership3 Oct 2025

JOHNSON KRISTINA M(83)

  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership5 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025

STIVERS WILLIAM C(83)

  • 4Statement of changes in beneficial ownership15 Jun 2012
  • 4Statement of changes in beneficial ownership17 May 2012
  • 4Statement of changes in beneficial ownership16 Mar 2012
  • 4Statement of changes in beneficial ownership27 Feb 2012
  • 4Statement of changes in beneficial ownership16 Dec 2011
  • 4Statement of changes in beneficial ownership16 Sep 2011
  • 4Statement of changes in beneficial ownership16 Jun 2011
  • 4Statement of changes in beneficial ownership19 May 2011
  • 4Statement of changes in beneficial ownership29 Mar 2011
  • 4Statement of changes in beneficial ownership20 Dec 2010

FEDER FRANKLIN(80)

  • 4Statement of changes in beneficial ownership3 Apr
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership5 Jan
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership3 Oct 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership3 Jul 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership3 Apr 2025

DIETRICH DOUGLAS T(78)

  • 4PRIMARY DOCUMENT18 May
  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4Statement of changes in beneficial ownership1 May 2025
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT30 May 2024

ROBINSON MARC E(75)

  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025
  • 4Statement of changes in beneficial ownership9 Dec 2024

CHOLMONDELEY PAULA H(74)

  • 4Statement of changes in beneficial ownership18 Mar 2014
  • 4Statement of changes in beneficial ownership13 Dec 2013
  • 4Statement of changes in beneficial ownership2 Oct 2013
  • 4Statement of changes in beneficial ownership13 Sep 2013
  • 4Statement of changes in beneficial ownership2 Jul 2013
  • 4Statement of changes in beneficial ownership14 Jun 2013
  • 4Statement of changes in beneficial ownership16 May 2013
  • 4Statement of changes in beneficial ownership2 Apr 2013
  • 4Statement of changes in beneficial ownership15 Mar 2013
  • 4Statement of changes in beneficial ownership4 Jan 2013

MAYGER DOUGLAS W(71)

  • 4PRIMARY DOCUMENT27 Jan 2023
  • 4PRIMARY DOCUMENT26 Jan 2023
  • 4PRIMARY DOCUMENT25 Jan 2023
  • 4PRIMARY DOCUMENT28 Jan 2022
  • 4PRIMARY DOCUMENT27 Jan 2022
  • 4PRIMARY DOCUMENT25 Jan 2022
  • 4PRIMARY DOCUMENT8 Jun 2021
  • 4PRIMARY DOCUMENT18 Feb 2021
  • 4PRIMARY DOCUMENT28 Jan 2021
  • 4PRIMARY DOCUMENT26 Jan 2021

VALLES JEAN PAUL(69)

  • 4PRIMARY DOCUMENT18 Dec 2006
  • 4PRIMARY DOCUMENT26 Oct 2006
  • 4PRIMARY DOCUMENT3 Oct 2006
  • 4PRIMARY DOCUMENT28 Sep 2006
  • 4PRIMARY DOCUMENT18 Sep 2006
  • 4PRIMARY DOCUMENT27 Jul 2006
  • 4PRIMARY DOCUMENT5 Jul 2006
  • 4PRIMARY DOCUMENT28 Jun 2006
  • 4PRIMARY DOCUMENT12 Jun 2006
  • 4PRIMARY DOCUMENT26 May 2006

Hastings Jonathan J(65)

  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT20 Jun 2024
  • 4PRIMARY DOCUMENT14 Jun 2024
  • 4PRIMARY DOCUMENT23 May 2024
  • 4PRIMARY DOCUMENT21 Feb 2024

WINTER DONALD C(64)

  • 4Statement of changes in beneficial ownership14 Mar 2022
  • 4Statement of changes in beneficial ownership10 Dec 2021
  • 4Statement of changes in beneficial ownership13 Sep 2021
  • 4Statement of changes in beneficial ownership21 Jun 2021
  • 4Statement of changes in beneficial ownership21 May 2021
  • 4Statement of changes in beneficial ownership15 Mar 2021
  • 4Statement of changes in beneficial ownership14 Dec 2020
  • 4Statement of changes in beneficial ownership8 Sep 2020
  • 4Statement of changes in beneficial ownership15 Jun 2020
  • 4Statement of changes in beneficial ownership14 May 2020

Breunig Joseph C.(62)

  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025
  • 4Statement of changes in beneficial ownership9 Dec 2024

Deans Alison Ann(49)

  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025
  • 4Statement of changes in beneficial ownership9 Dec 2024
  • 4Statement of changes in beneficial ownership9 Sep 2024
  • 4Statement of changes in beneficial ownership14 Jun 2024
  • 4Statement of changes in beneficial ownership16 May 2024

Meek Thomas J(49)

  • 4PRIMARY DOCUMENT5 Dec 2022
  • 4PRIMARY DOCUMENT28 Jan 2022
  • 4PRIMARY DOCUMENT27 Jan 2022
  • 4PRIMARY DOCUMENT25 Jan 2022
  • 4PRIMARY DOCUMENT16 Dec 2021
  • 4PRIMARY DOCUMENT28 Jan 2021
  • 4PRIMARY DOCUMENT26 Jan 2021
  • 4PRIMARY DOCUMENT25 Jan 2021
  • 4PRIMARY DOCUMENT22 Jan 2021
  • 4PRIMARY DOCUMENT10 Nov 2020

CURCIO JOHN B(48)

  • 4PRIMARY DOCUMENT26 May 2006
  • 4PRIMARY DOCUMENT4 Apr 2006
  • 4PRIMARY DOCUMENT22 Mar 2006
  • 4PRIMARY DOCUMENT4 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4PRIMARY DOCUMENT5 Oct 2005
  • 4PRIMARY DOCUMENT16 Sep 2005
  • 4PRIMARY DOCUMENT8 Aug 2005
  • 4PRIMARY DOCUMENT5 Jul 2005
  • 4PRIMARY DOCUMENT13 Jun 2005

HARRISON DENNIS R(39)

  • 4Statement of changes in beneficial ownership8 Mar 2012
  • 4Statement of changes in beneficial ownership17 Feb 2012
  • 4/AStatement of changes in beneficial ownership (amendment)9 Feb 2012
  • 4Statement of changes in beneficial ownership9 Feb 2012
  • 4Statement of changes in beneficial ownership1 Feb 2012
  • 4Statement of changes in beneficial ownership31 Jan 2012
  • 4Statement of changes in beneficial ownership30 Jan 2012
  • 4Statement of changes in beneficial ownership1 Jun 2011
  • 4Statement of changes in beneficial ownership1 Mar 2011
  • 4Statement of changes in beneficial ownership1 Feb 2011

Smith Barbara(39)

  • 4Statement of changes in beneficial ownership13 Jun 2017
  • 4Statement of changes in beneficial ownership18 May 2017
  • 4Statement of changes in beneficial ownership10 Mar 2017
  • 4Statement of changes in beneficial ownership13 Dec 2016
  • 4Statement of changes in beneficial ownership12 Sep 2016
  • 4Statement of changes in beneficial ownership10 Jun 2016
  • 4Statement of changes in beneficial ownership12 May 2016
  • 4Statement of changes in beneficial ownership10 Mar 2016
  • 4Statement of changes in beneficial ownership11 Dec 2015
  • 4Statement of changes in beneficial ownership11 Sep 2015

HONEY RICK(37)

  • 4PRIMARY DOCUMENT25 Jan 2017
  • 4PRIMARY DOCUMENT24 Jan 2017
  • 4PRIMARY DOCUMENT23 Jan 2017
  • 4Statement of changes in beneficial ownership1 Jul 2016
  • 4PRIMARY DOCUMENT26 Jan 2016
  • 4PRIMARY DOCUMENT22 Jan 2016
  • 4/APRIMARY DOCUMENT2 Feb 2016
  • 4PRIMARY DOCUMENT21 Jan 2016
  • 4/AStatement of changes in beneficial ownership (amendment)26 Jan 2015
  • 4Statement of changes in beneficial ownership22 Jan 2015

ARGIRAKIS BRETT(37)

  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4PRIMARY DOCUMENT25 Nov 2025
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT18 Jun 2024
  • 4PRIMARY DOCUMENT29 Jan 2024

SOREL JOHN A(35)

  • 4Statement of changes in beneficial ownership1 Mar 2011
  • 4Statement of changes in beneficial ownership1 Feb 2011
  • 4Statement of changes in beneficial ownership31 Jan 2011
  • 4Statement of changes in beneficial ownership10 May 2010
  • 4Statement of changes in beneficial ownership3 Mar 2010
  • 4Statement of changes in beneficial ownership25 Feb 2010
  • 4Statement of changes in beneficial ownership5 Feb 2010
  • 4PRIMARY DOCUMENT8 Dec 2009
  • 4PRIMARY DOCUMENT3 Mar 2009
  • 4PRIMARY DOCUMENT27 Feb 2009

Schut Johannes C(28)

  • 4PRIMARY DOCUMENT11 Feb 2016
  • 4PRIMARY DOCUMENT26 Jan 2016
  • 4PRIMARY DOCUMENT22 Jan 2016
  • 4Statement of changes in beneficial ownership27 Jan 2015
  • 4Statement of changes in beneficial ownership26 Jan 2015
  • 4Statement of changes in beneficial ownership22 Jan 2015
  • 4Statement of changes in beneficial ownership19 Mar 2014
  • 4Statement of changes in beneficial ownership19 Mar 2014
  • 4Statement of changes in beneficial ownership29 Jan 2014
  • 4Statement of changes in beneficial ownership24 Jan 2014

SAUERACKER PAUL R(25)

  • 4PRIMARY DOCUMENT25 May 2007
  • 4PRIMARY DOCUMENT8 May 2007
  • 4PRIMARY DOCUMENT7 May 2007
  • 4/APRIMARY DOCUMENT28 Feb 2007
  • 4PRIMARY DOCUMENT23 Feb 2007
  • 4/APRIMARY DOCUMENT14 Nov 2006
  • 4PRIMARY DOCUMENT14 Nov 2006
  • 4PRIMARY DOCUMENT10 Mar 2006
  • 4PRIMARY DOCUMENT2 Mar 2006
  • 4/APRIMARY DOCUMENT26 Jan 2007

JONES ANDREW M(25)

  • 4PRIMARY DOCUMENT28 Jan 2021
  • 4PRIMARY DOCUMENT26 Jan 2021
  • 4PRIMARY DOCUMENT25 Jan 2021
  • 4PRIMARY DOCUMENT22 Jan 2021
  • 4PRIMARY DOCUMENT14 Dec 2020
  • 4PRIMARY DOCUMENT24 Jan 2020
  • 4PRIMARY DOCUMENT23 Jan 2020
  • 4PRIMARY DOCUMENT21 Jan 2020
  • 4PRIMARY DOCUMENT24 Jan 2019
  • 4PRIMARY DOCUMENT23 Jan 2019

MEISTER PAUL M(24)

  • 4PRIMARY DOCUMENT27 May 2004
  • 4PRIMARY DOCUMENT30 Apr 2004
  • 4PRIMARY DOCUMENT8 Apr 2004
  • 4PRIMARY DOCUMENT5 Apr 2004
  • 4PRIMARY DOCUMENT26 Feb 2004
  • 4PRIMARY DOCUMENT23 Jan 2004
  • 4PRIMARY DOCUMENT5 Jan 2004
  • 4PRIMARY DOCUMENT5 Dec 2003
  • 4PRIMARY DOCUMENT24 Oct 2003
  • 4PRIMARY DOCUMENT2 Oct 2003

KROMBERG WILLIAM A(23)

  • 4Statement of changes in beneficial ownership3 Mar 2010
  • 4Statement of changes in beneficial ownership25 Feb 2010
  • 4Statement of changes in beneficial ownership2 Feb 2010
  • 4PRIMARY DOCUMENT3 Mar 2009
  • 4PRIMARY DOCUMENT27 Feb 2009
  • 4PRIMARY DOCUMENT25 Feb 2009
  • 4Statement of changes in beneficial ownership1 Feb 2010
  • 4PRIMARY DOCUMENT21 Jul 2008
  • 4PRIMARY DOCUMENT29 Feb 2008
  • 4PRIMARY DOCUMENT27 Feb 2008

BORTECK GORDON(23)

  • 4PRIMARY DOCUMENT25 Mar 2008
  • 4PRIMARY DOCUMENT14 Mar 2008
  • 4PRIMARY DOCUMENT29 Feb 2008
  • 4PRIMARY DOCUMENT25 Feb 2008
  • 4PRIMARY DOCUMENT7 Feb 2008
  • 4PRIMARY DOCUMENT6 Dec 2007
  • 4PRIMARY DOCUMENT1 Nov 2007
  • 4PRIMARY DOCUMENT25 May 2007
  • 4PRIMARY DOCUMENT23 Mar 2007
  • 4PRIMARY DOCUMENT1 Mar 2007

MASSIMINE KENNETH L(22)

  • 4PRIMARY DOCUMENT3 Mar 2009
  • 4PRIMARY DOCUMENT27 Feb 2009
  • 4PRIMARY DOCUMENT25 Feb 2009
  • 4PRIMARY DOCUMENT21 Jul 2008
  • 4PRIMARY DOCUMENT22 May 2008
  • 4PRIMARY DOCUMENT4 Mar 2008
  • 4PRIMARY DOCUMENT29 Feb 2008
  • 4PRIMARY DOCUMENT25 Feb 2008
  • 4/APRIMARY DOCUMENT21 Jun 2007
  • 4PRIMARY DOCUMENT9 May 2007

Motwani Rocky(21)

  • 4Statement of changes in beneficial ownership9 Sep
  • 4Statement of changes in beneficial ownership22 Jun
  • 4Statement of changes in beneficial ownership21 May
  • 4Statement of changes in beneficial ownership10 Mar
  • 4Statement of changes in beneficial ownership8 Dec 2025
  • 4Statement of changes in beneficial ownership9 Sep 2025
  • 4Statement of changes in beneficial ownership17 Jun 2025
  • 4Statement of changes in beneficial ownership16 Jun 2025
  • 4Statement of changes in beneficial ownership16 May 2025
  • 4Statement of changes in beneficial ownership11 Mar 2025

FORREST KIRK G(19)

  • 4Statement of changes in beneficial ownership5 Jan 2010
  • 4PRIMARY DOCUMENT3 Mar 2009
  • 4PRIMARY DOCUMENT25 Feb 2009
  • 4PRIMARY DOCUMENT28 Jan 2009
  • 4PRIMARY DOCUMENT29 Feb 2008
  • 4PRIMARY DOCUMENT25 Feb 2008
  • 4PRIMARY DOCUMENT29 Jan 2008
  • 4PRIMARY DOCUMENT3 Jan 2008
  • 4PRIMARY DOCUMENT1 Mar 2007
  • 4/APRIMARY DOCUMENT28 Feb 2007

STEERE WILLIAM C JR(18)

  • 4PRIMARY DOCUMENT5 Jan 2004
  • 4PRIMARY DOCUMENT5 Dec 2003
  • 4PRIMARY DOCUMENT24 Oct 2003
  • 4PRIMARY DOCUMENT2 Oct 2003
  • 4PRIMARY DOCUMENT26 Sep 2003
  • 4PRIMARY DOCUMENT25 Jul 2003
  • 4PRIMARY DOCUMENT2 Jul 2003
  • 4PRIMARY DOCUMENT23 May 2003
  • 4/APRIMARY DOCUMENT27 May 2003
  • 4Statement of changes in beneficial ownership25 Apr 2003

CUTLER ERIN(18)

  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT4 Jun 2024
  • 4PRIMARY DOCUMENT29 Jan 2024
  • 4PRIMARY DOCUMENT26 Jan 2024

GARTH MATTHEW E(17)

  • 4Statement of changes in beneficial ownership8 Mar 2022
  • 4PRIMARY DOCUMENT28 Jan 2022
  • 4PRIMARY DOCUMENT27 Jan 2022
  • 4PRIMARY DOCUMENT25 Jan 2022
  • 4PRIMARY DOCUMENT28 Jan 2021
  • 4PRIMARY DOCUMENT26 Jan 2021
  • 4PRIMARY DOCUMENT25 Jan 2021
  • 4PRIMARY DOCUMENT22 Jan 2021
  • 4PRIMARY DOCUMENT24 Jan 2020
  • 4PRIMARY DOCUMENT23 Jan 2020

ALDAG ERIK(16)

  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4Statement of changes in beneficial ownership1 May 2025
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT29 Jan 2024
  • 4PRIMARY DOCUMENT26 Jan 2024

CASTAGNA GARY L(15)

  • 4PRIMARY DOCUMENT25 Jan 2018
  • 4PRIMARY DOCUMENT23 Jan 2018
  • 4PRIMARY DOCUMENT18 Jan 2018
  • 4PRIMARY DOCUMENT6 Jun 2017
  • 4PRIMARY DOCUMENT24 Jan 2017
  • 4PRIMARY DOCUMENT23 Jan 2017
  • 4PRIMARY DOCUMENT19 Jan 2017
  • 4PRIMARY DOCUMENT28 Dec 2016
  • 4PRIMARY DOCUMENT6 Jun 2016
  • 4PRIMARY DOCUMENT22 Jan 2016

BOURUET AUBERTOT ALAIN(15)

  • 4PRIMARY DOCUMENT24 Mar 2008
  • 4PRIMARY DOCUMENT11 Dec 2007
  • 4PRIMARY DOCUMENT10 Dec 2007
  • 4PRIMARY DOCUMENT26 Nov 2007
  • 4PRIMARY DOCUMENT1 Mar 2007
  • 4/APRIMARY DOCUMENT28 Feb 2007
  • 4PRIMARY DOCUMENT23 Feb 2007
  • 4/APRIMARY DOCUMENT25 Jan 2007
  • 4PRIMARY DOCUMENT24 Feb 2006
  • 4PRIMARY DOCUMENT15 Sep 2005

WILKINS WILLIAM JS(15)

  • 4Statement of changes in beneficial ownership7 Mar 2011
  • 4Statement of changes in beneficial ownership1 Mar 2011
  • 4Statement of changes in beneficial ownership1 Feb 2011
  • 4Statement of changes in beneficial ownership31 Jan 2011
  • 4Statement of changes in beneficial ownership28 Jan 2011
  • 4Statement of changes in beneficial ownership16 Sep 2010
  • 4Statement of changes in beneficial ownership7 Jun 2010
  • 4Statement of changes in beneficial ownership3 Mar 2010
  • 4Statement of changes in beneficial ownership5 Feb 2010
  • 4PRIMARY DOCUMENT5 Jun 2009

JORDAN TIMOTHY(15)

  • 4PRIMARY DOCUMENT13 May
  • 4PRIMARY DOCUMENT27 Jan
  • 4PRIMARY DOCUMENT23 Jan
  • 4PRIMARY DOCUMENT22 Jan
  • 4PRIMARY DOCUMENT29 Jan 2025
  • 4PRIMARY DOCUMENT28 Jan 2025
  • 4PRIMARY DOCUMENT27 Jan 2025
  • 4PRIMARY DOCUMENT23 Jan 2025
  • 4PRIMARY DOCUMENT29 Jan 2024
  • 4PRIMARY DOCUMENT26 Jan 2024

KELM GREGORY(14)

  • 4PRIMARY DOCUMENT25 Jun 2007
  • 4PRIMARY DOCUMENT3 May 2007
  • 4PRIMARY DOCUMENT1 Mar 2007
  • 4/APRIMARY DOCUMENT16 Mar 2007
  • 4/APRIMARY DOCUMENT28 Feb 2007
  • 4PRIMARY DOCUMENT23 Feb 2007
  • 4/APRIMARY DOCUMENT26 Jan 2007
  • 4PRIMARY DOCUMENT24 Feb 2006
  • 4PRIMARY DOCUMENT14 Mar 2005
  • 4PRIMARY DOCUMENT25 Feb 2005

GRAY S GARRETT(8)

  • 4PRIMARY DOCUMENT4 Feb 2005
  • 4PRIMARY DOCUMENT15 Nov 2004
  • 4PRIMARY DOCUMENT6 May 2004
  • 4PRIMARY DOCUMENT5 Apr 2004
  • 4PRIMARY DOCUMENT27 Feb 2004
  • 4PRIMARY DOCUMENT7 Nov 2003
  • 4PRIMARY DOCUMENT2 Jul 2003
  • 4/APRIMARY DOCUMENT2 Apr 2004

Carpenter Patrick(8)

  • 4Statement of changes in beneficial ownership24 Aug 2016
  • 4PRIMARY DOCUMENT23 Aug 2016
  • 4PRIMARY DOCUMENT24 May 2016
  • 4PRIMARY DOCUMENT22 Jan 2016
  • 4PRIMARY DOCUMENT21 Jan 2016
  • 4Statement of changes in beneficial ownership22 May 2015
  • 4Statement of changes in beneficial ownership22 Jan 2015
  • 3Initial statement of beneficial ownership22 May 2014

MENDEZ WILLIAM RANDAL(7)

  • 4PRIMARY DOCUMENT14 Jul 2017
  • 4PRIMARY DOCUMENT23 Jan 2017
  • 4PRIMARY DOCUMENT19 Jan 2017
  • 4PRIMARY DOCUMENT14 Jul 2016
  • 4PRIMARY DOCUMENT21 Jan 2016
  • 3PRIMARY DOCUMENT14 Jul 2015
  • 4PRIMARY DOCUMENT14 Jul 2015

CRABTREE HOWARD R(4)

  • 4PRIMARY DOCUMENT1 Apr 2004
  • 4PRIMARY DOCUMENT7 Nov 2003
  • 4PRIMARY DOCUMENT29 Oct 2003
  • 4PRIMARY DOCUMENT2 Jul 2003

Johnson Michael R.(4)

  • 4PRIMARY DOCUMENT4 Jun 2015
  • 4Statement of changes in beneficial ownership22 Jan 2015
  • 4Statement of changes in beneficial ownership4 Jun 2014
  • 3Initial statement of beneficial ownership22 May 2014

Walsh Janet L(3)

  • 4Statement of changes in beneficial ownership17 Aug 2011
  • 4Statement of changes in beneficial ownership28 Jan 2011
  • 3Initial statement of beneficial ownership8 Dec 2010

Harley James Michael(2)

  • 4Statement of changes in beneficial ownership28 Jan 2011
  • 3Initial statement of beneficial ownership8 Dec 2010

MASETTI ALEXANDER W(2)

  • 4Statement of changes in beneficial ownership24 Mar 2015
  • 3Initial statement of beneficial ownership20 Mar 2015

DONNELLY PAUL J(2)

  • 4Statement of changes in beneficial ownership6 Apr 2016
  • 3Initial statement of beneficial ownership6 Apr 2016

BARDACH NEIL M(1)

  • 4Statement of changes in beneficial ownership2 Jan 2003

WETHERBEE ROBERT S(1)

  • 3Initial statement of beneficial ownership21 Mar 2013

≥5% Ownership

FMR LLC(22)

  • SC 13G/AMinerals Technologies Inc6 Aug
  • SC 13G/AMinerals Technologies Inc6 May
  • SC 13G/AMinerals Technologies Inc6 Feb
  • SC 13G/AMinerals Technologies Inc5 Feb
  • SC 13G/AMinerals Technologies Inc5 Nov 2025
  • SC 13GMinerals Technologies Inc12 Feb 2025
  • SC 13G/AMinerals Technologies Inc10 Nov 2011
  • SC 13G/AMinerals Technologies Inc11 Oct 2011
  • SC 13G/AMinerals Technologies Inc14 Feb 2011
  • SC 13G/AMinerals Technologies Inc16 Feb 2010

BlackRock Inc.(19)

  • SC 13G/AMinerals Technologies Inc19 Jan 2024
  • SC 13G/AMinerals Technologies Inc26 Jan 2023
  • SC 13G/AMinerals Technologies Inc20 Jan 2023
  • SC 13G/AMinerals Technologies Inc7 Dec 2022
  • SC 13G/AMinerals Technologies Inc27 Jan 2022
  • SC 13G/AMinerals Technologies Inc25 Jan 2022
  • SC 13G/AMinerals Technologies Inc27 Jan 2021
  • SC 13G/AMinerals Technologies Inc4 Feb 2020
  • SC 13G/AMinerals Technologies Inc31 Jan 2019
  • SC 13G/AMinerals Technologies Inc19 Jan 2018

VANGUARD GROUP INC(14)

  • SC 13G/AMinerals Technologies Inc27 Mar
  • SC 13G/AMinerals Technologies Inc13 Feb 2024
  • SC 13G/AMinerals Technologies Inc9 Feb 2023
  • SC 13G/AMinerals Technologies Inc9 Sep 2022
  • SC 13G/AMinerals Technologies Inc10 Feb 2022
  • SC 13G/AMinerals Technologies Inc10 Feb 2021
  • SC 13G/AMinerals Technologies Inc12 Feb 2020
  • SC 13G/AMinerals Technologies Inc11 Feb 2019
  • SC 13G/AMinerals Technologies Inc9 Feb 2018
  • SC 13G/AMinerals Technologies Inc10 Feb 2017

PRICE T ROWE ASSOCIATES INC /MD/(13)

  • SC 13G/AMinerals Technologies Inc14 Feb 2023
  • SC 13G/AMinerals Technologies Inc14 Feb 2022
  • SC 13G/AMinerals Technologies Inc16 Feb 2021
  • SC 13G/AMinerals Technologies Inc14 Feb 2020
  • SC 13G/AMinerals Technologies Inc14 Feb 2019
  • SC 13G/AMinerals Technologies Inc14 Feb 2018
  • SC 13G/AMinerals Technologies Inc7 Feb 2017
  • SC 13G/AMinerals Technologies Inc10 Feb 2016
  • SC 13GMinerals Technologies Inc12 Feb 2015
  • SC 13G/AMinerals Technologies Inc14 Feb 2006

PRIMECAP MANAGEMENT CO/CA/(12)

  • SC 13G/AMinerals Technologies Inc5 Nov 2007
  • SC 13G/AMinerals Technologies Inc6 Jun 2007
  • SC 13G/AMinerals Technologies Inc13 Feb 2007
  • SC 13G/AMinerals Technologies Inc14 Feb 2006
  • SC 13G/AMinerals Technologies Inc6 Oct 2005
  • SC 13G/AMinerals Technologies Inc11 Jul 2005
  • SC 13G/AMinerals Technologies Inc12 May 2005
  • SC 13G/AMinerals Technologies Inc31 Mar 2005
  • SC 13G/AMinerals Technologies Inc10 Mar 2005
  • SC 13G/AMinerals Technologies Inc7 Jul 2003

DIMENSIONAL FUND ADVISORS LP(10)

  • SC 13G/AMinerals Technologies Inc9 Feb 2024
  • SC 13G/AMinerals Technologies Inc10 Feb 2023
  • SC 13G/AMinerals Technologies Inc8 Feb 2022
  • SC 13G/AMinerals Technologies Inc12 Feb 2021
  • SC 13GMinerals Technologies Inc12 Feb 2020
  • SC 13G/AMinerals Technologies Inc9 Feb 2009
  • SC 13G/AMinerals Technologies Inc6 Feb 2008
  • SC 13G/AMinerals Technologies Inc9 Feb 2007
  • SC 13G/AMinerals Technologies Inc2 Feb 2007
  • SC 13GMinerals Technologies Inc6 Feb 2006

M&G INVESTMENT MANAGEMENT LTD(10)

  • SC 13GMinerals Technologies Inc10 Feb 2011
  • SC 13GMinerals Technologies Inc5 Feb 2010
  • SC 13GMinerals Technologies Inc5 Feb 2010
  • SC 13GMinerals Technologies Inc2 Feb 2010
  • SC 13GMinerals Technologies Inc4 Feb 2009
  • SC 13G/AMinerals Technologies Inc13 Feb 2008
  • SC 13G/AMinerals Technologies Inc10 Oct 2007
  • SC 13G/AMinerals Technologies Inc1 Oct 2007
  • SC 13G/AMinerals Technologies Inc9 Feb 2007
  • SC 13G/AMinerals Technologies Inc29 Jan 2007

STATE STREET BANK & TRUST CO(9)

  • SC 13GMinerals Technologies Inc14 Feb 2008
  • SC 13GMinerals Technologies Inc12 Feb 2007
  • SC 13GMinerals Technologies Inc13 Feb 2006
  • SC 13G/AMinerals Technologies Inc22 Feb 2005
  • SC 13GMinerals Technologies Inc15 Feb 2005
  • SC 13GMinerals Technologies Inc5 Feb 2004
  • SC 13GMinerals Technologies Inc10 Feb 2003
  • SC 13GMinerals Technologies Inc11 Feb 2002
  • SC 13GMinerals Technologies Inc9 Feb 2001

WELLINGTON MANAGEMENT CO LLP(9)

  • SC 13G/AMinerals Technologies Inc14 Feb 2008
  • SC 13GMinerals Technologies Inc14 Feb 2007
  • SC 13G/AMinerals Technologies Inc14 Feb 2005
  • SC 13G/AMinerals Technologies Inc12 Feb 2004
  • SC 13G/AMinerals Technologies Inc12 Feb 2003
  • SC 13GMinerals Technologies Inc12 Feb 2002
  • SC 13G/AMinerals Technologies Inc30 Nov 2000
  • SC 13G/AMinerals Technologies Inc11 Feb 2000
  • SC 13GMinerals Technologies Inc9 Feb 1999

AMERICAN CENTURY INVESTMENT MANAGEMENT INC(8)

  • SC 13G/AMinerals Technologies Inc14 Feb 2008
  • SC 13G/AMinerals Technologies Inc9 Aug 2007
  • SC 13G/AMinerals Technologies Inc13 Feb 2007
  • SC 13G/AMinerals Technologies Inc14 Feb 2006
  • SC 13GMinerals Technologies Inc9 Dec 2005
  • SC 13G/AMinerals Technologies Inc10 Feb 2003
  • SC 13G/AMinerals Technologies Inc8 Feb 2002
  • SC 13GMinerals Technologies Inc13 Feb 2001

VANGUARD HORIZON FUNDS(8)

  • SC 13G/AMinerals Technologies Inc27 Feb 2008
  • SC 13G/AMinerals Technologies Inc12 Feb 2008
  • SC 13G/AMinerals Technologies Inc14 Feb 2007
  • SC 13G/AMinerals Technologies Inc13 Feb 2006
  • SC 13G/AMinerals Technologies Inc11 Feb 2005
  • SC 13G/AMinerals Technologies Inc3 Feb 2004
  • SC 13G/AMinerals Technologies Inc11 Feb 2003
  • SC 13GMinerals Technologies Inc13 Feb 2002

VANGUARD SPECIALIZED FUNDS(7)

  • SC 13G/AMinerals Technologies Inc10 Feb 2011
  • SC 13G/AMinerals Technologies Inc4 Feb 2010
  • SC 13G/AMinerals Technologies Inc13 Feb 2009
  • SC 13G/AMinerals Technologies Inc12 Feb 2009
  • SC 13G/AMinerals Technologies Inc27 Feb 2008
  • SC 13G/AMinerals Technologies Inc12 Feb 2008
  • SC 13GMinerals Technologies Inc13 Feb 2007

ROYCE & ASSOCIATES LP(7)

  • SC 13G/AMinerals Technologies Inc1 Feb 2017
  • SC 13G/AMinerals Technologies Inc19 Jan 2016
  • SC 13G/AMinerals Technologies Inc15 Jan 2015
  • SC 13G/AMinerals Technologies Inc13 Jan 2014
  • SC 13G/AMinerals Technologies Inc15 Jan 2013
  • SC 13G/AMinerals Technologies Inc1 May 2012
  • SC 13GMinerals Technologies Inc19 Jan 2012

PIONEER INVESTMENT MANAGEMENT INC /ADV(6)

  • SC 13G/AMinerals Technologies Inc19 Mar 2001
  • SC 13G/AMinerals Technologies Inc3 Jan 2001
  • SC 13G/AMinerals Technologies Inc3 Jan 2000
  • SC 13G/AMinerals Technologies Inc6 May 1999
  • SC 13G/AMinerals Technologies Inc11 Jan 1999
  • SC 13GMinerals Technologies Inc23 Apr 1998

ARTISAN PARTNERS LTD PARTNERSHIP(5)

  • SC 13G/AMinerals Technologies Inc31 Jan 2003
  • SC 13G/AMinerals Technologies Inc13 Feb 2002
  • SC 13G/AMinerals Technologies Inc10 Dec 2001
  • SC 13G/AMinerals Technologies Inc13 Feb 2001
  • SC 13GMinerals Technologies Inc9 Feb 2001

MANNING & NAPIER ADVISORS INC(4)

  • SC 13G/AMinerals Technologies Inc5 Oct 2006
  • SC 13G/AMinerals Technologies Inc12 Jun 2006
  • SC 13GMinerals Technologies Inc9 Feb 2005
  • SC 13GMinerals Technologies Inc26 Jan 2004

JANUS CAPITAL CORP(4)

  • SC 13G/AMinerals Technologies Inc9 Jun 1997
  • SC 13G/AMinerals Technologies Inc9 Apr 1997
  • SC 13G/AMinerals Technologies Inc13 Feb 1997
  • SC 13G/AMinerals Technologies Inc13 Feb 1996

TOCQUEVILLE ASSET MANAGEMENT L.P.(4)

  • SC 13GMinerals Technologies Inc31 Jan 2013
  • SC 13GMinerals Technologies Inc30 Jan 2012
  • SC 13GMinerals Technologies Inc30 Jan 2012
  • SC 13GMinerals Technologies Inc28 Jan 2011

BLAIR WILLIAM & CO/IL(4)

  • SC 13G/AMinerals Technologies Inc17 Mar 1999
  • SC 13GMinerals Technologies Inc17 Feb 1998
  • SC 13GMinerals Technologies Inc18 Feb 1997
  • SC 13GMinerals Technologies Inc7 Mar 1996

REICH & TANG ASSET MANAGEMENT LP(4)

  • SC 13G/AMinerals Technologies Inc10 Feb 2004
  • SC 13G/AMinerals Technologies Inc6 Feb 2003
  • SC 13G/AMinerals Technologies Inc15 Feb 2002
  • SC 13GMinerals Technologies Inc15 Feb 2001

MACQUARIE GROUP LTD(4)

  • SC 13G/AMinerals Technologies Inc13 Feb
  • SC 13G/AMinerals Technologies Inc14 Feb 2024
  • SC 13G/AMinerals Technologies Inc14 Feb 2023
  • SC 13GMinerals Technologies Inc11 Feb 2022

Capital World Investors(4)

  • SC 13G/AMinerals Technologies Inc14 Feb 2011
  • SC 13G/AMinerals Technologies Inc10 Feb 2010
  • SC 13G/AMinerals Technologies Inc12 Feb 2009
  • SC 13GMinerals Technologies Inc11 Feb 2008

FRANKLIN RESOURCES INC(3)

  • SC 13G/AMinerals Technologies Inc9 Feb 2006
  • SC 13G/AMinerals Technologies Inc14 Feb 2005
  • SC 13GMinerals Technologies Inc9 Feb 2004

INVESTMENT ADVISERS INC(3)

  • SC 13G/AMinerals Technologies Inc8 Sep 1997
  • SC 13G/AMinerals Technologies Inc20 Feb 1997
  • SC 13G/AMinerals Technologies Inc8 Mar 1996

FRANKLIN MUTUAL ADVISERS LLC(3)

  • SC 13G/AMinerals Technologies Inc30 Jan 2024
  • SC 13G/AMinerals Technologies Inc31 Jan 2023
  • SC 13GMinerals Technologies Inc2 Feb 2022

TRANSAMERICA CORP(2)

  • SC 13G/AMinerals Technologies Inc16 Feb 1999
  • SC 13GMinerals Technologies Inc17 Feb 1998

PRUDENTIAL INSURANCE CO OF AMERICA(2)

  • SC 13G/AMinerals Technologies Inc10 Feb 1997
  • SC 13GMinerals Technologies Inc14 Feb 1996

BARCLAYS GLOBAL INVESTORS NA /CA/(2)

  • SC 13G/AMinerals Technologies Inc10 Aug 2009
  • SC 13GMinerals Technologies Inc5 Feb 2009

JENNISON ASSOCIATES CAPITAL CORP(1)

  • SC 13G/AMinerals Technologies Inc3 Feb 1997

NOMURA ASSET MANAGEMENT INTERNATIONAL INC.(1)

  • SC 13GMinerals Technologies Inc17 Feb

BlackRock, Inc.(1)

  • SC 13G/AMinerals Technologies Inc28 Apr 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GMinerals Technologies Inc30 Apr

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

  • SC 13GMinerals Technologies Inc29 Apr