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Compass Minerals International Inc(CMP US)

$22.53-0.522.26%Ext:$25.56+3.0213.43%(Market Closed · 01:00:03 UTC)

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Compass Minerals International Inc(CMP US)

$22.53-0.522.26%Ext:$25.56+3.0213.43%(Market Closed · 01:00:03 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

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SEC Filings

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Financials Charting Short Interest Employees

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CMP US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Compass Minerals International Inc(CMP US)

$22.53-0.522.26%Ext:$25.56+3.0213.43%(Market Closed · 01:00:03 UTC)

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Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

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SEC Filings

Categorized Chronological By Owner

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Financials Charting Short Interest Employees

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CMP US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Compass Minerals International Inc(CMP US)

$22.53-0.522.26%Ext:$25.56+3.0213.43%(Market Closed · 01:00:03 UTC)

Ask AI

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

CMP US

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CMP US

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SEC Filings by Owner

Insider Ownership

GRANT RICHARD S(144)

Form 4Statement of changes in beneficial ownership18 Nov 2021
Form 4Statement of changes in beneficial ownership21 Sep 2021
Form 4Statement of changes in beneficial ownership22 Jun 2021
Form 4Statement of changes in beneficial ownership20 May 2021
Form 4Statement of changes in beneficial ownership17 May 2021
Form 4Statement of changes in beneficial ownership23 Mar 2021
Form 4Statement of changes in beneficial ownership5 Jan 2021
Form 4Statement of changes in beneficial ownership16 Dec 2020
Form 4Statement of changes in beneficial ownership16 Sep 2020
Form 4Statement of changes in beneficial ownership16 Jun 2020

DANTONI DAVID J(130)

Form 4Statement of changes in beneficial ownership15 May 2020
Form 4Statement of changes in beneficial ownership1 Apr 2020
Form 4Statement of changes in beneficial ownership17 Mar 2020
Form 4Statement of changes in beneficial ownership3 Jan 2020
Form 4Statement of changes in beneficial ownership18 Dec 2019
Form 4Statement of changes in beneficial ownership2 Oct 2019
Form 4Statement of changes in beneficial ownership17 Sep 2019
Form 4Statement of changes in beneficial ownership1 Jul 2019
Form 4Statement of changes in beneficial ownership17 Jun 2019
Form 4Statement of changes in beneficial ownership1 Apr 2019

ROTHWELL ALLAN R(129)

Form 4Statement of changes in beneficial ownership2 Mar 2022
Form 4Statement of changes in beneficial ownership21 Dec 2021
Form 4Statement of changes in beneficial ownership21 Sep 2021
Form 4Statement of changes in beneficial ownership22 Jun 2021
Form 4Statement of changes in beneficial ownership20 May 2021
Form 4Statement of changes in beneficial ownership17 May 2021
Form 4Statement of changes in beneficial ownership23 Mar 2021
Form 4Statement of changes in beneficial ownership5 Jan 2021
Form 4Statement of changes in beneficial ownership16 Dec 2020
Form 4Statement of changes in beneficial ownership1 Oct 2020

WILLIAMS PAUL S(106)

Form 4Statement of changes in beneficial ownership16 Feb 2023
Form 4Statement of changes in beneficial ownership22 Dec 2022
Form 4Statement of changes in beneficial ownership21 Sep 2022
Form 4Statement of changes in beneficial ownership22 Jun 2022
Form 4Statement of changes in beneficial ownership19 May 2022
Form 4Statement of changes in beneficial ownership22 Mar 2022
Form 4Statement of changes in beneficial ownership28 Feb 2022
Form 4Statement of changes in beneficial ownership21 Dec 2021
Form 4Statement of changes in beneficial ownership21 Sep 2021
Form 4Statement of changes in beneficial ownership22 Jun 2021

Ford Eric(93)

Form 4Statement of changes in beneficial ownership22 Aug 2023
Form 4Statement of changes in beneficial ownership5 Jul 2023
Form 4Statement of changes in beneficial ownership22 Jun 2023
Form 4Statement of changes in beneficial ownership4 Apr 2023
Form 4Statement of changes in beneficial ownership22 Mar 2023
Form 4Statement of changes in beneficial ownership16 Feb 2023
Form 4Statement of changes in beneficial ownership22 Dec 2022
Form 4Statement of changes in beneficial ownership21 Sep 2022
Form 4Statement of changes in beneficial ownership22 Jun 2022
Form 4Statement of changes in beneficial ownership19 May 2022

BELL BRADLEY J(89)

Form 4Statement of changes in beneficial ownership2 Jan 2015
Form 4Statement of changes in beneficial ownership1 Jul 2015
Form 4Statement of changes in beneficial ownership12 Jun 2015
Form 4Statement of changes in beneficial ownership1 Apr 2015
Form 4Statement of changes in beneficial ownership16 Mar 2015
Form 4/AStatement of changes in beneficial ownership (amendment)22 Jan 2015
Form 4Statement of changes in beneficial ownership15 Dec 2014
Form 4Statement of changes in beneficial ownership2 Oct 2014
Form 4Statement of changes in beneficial ownership16 Sep 2014
Form 4Statement of changes in beneficial ownership4 Sep 2014

Yoder Amy(88)

Form 4Statement of changes in beneficial ownership16 Feb 2023
Form 4Statement of changes in beneficial ownership22 Dec 2022
Form 4Statement of changes in beneficial ownership21 Sep 2022
Form 4Statement of changes in beneficial ownership22 Jun 2022
Form 4Statement of changes in beneficial ownership9 Aug 2022
Form 4Statement of changes in beneficial ownership19 May 2022
Form 4Statement of changes in beneficial ownership17 May 2022
Form 4Statement of changes in beneficial ownership22 Mar 2022
Form 4Statement of changes in beneficial ownership28 Feb 2022
Form 4Statement of changes in beneficial ownership4 Jan 2022

Premdas Perry W(84)

Form 4Statement of changes in beneficial ownership1 Apr 2015
Form 4Statement of changes in beneficial ownership16 Mar 2015
Form 4Statement of changes in beneficial ownership2 Jan 2015
Form 4Statement of changes in beneficial ownership15 Dec 2014
Form 4Statement of changes in beneficial ownership2 Oct 2014
Form 4Statement of changes in beneficial ownership16 Sep 2014
Form 4Statement of changes in beneficial ownership1 Jul 2014
Form 4Statement of changes in beneficial ownership17 Jun 2014
Form 4Statement of changes in beneficial ownership1 Apr 2014
Form 4Statement of changes in beneficial ownership17 Mar 2014

WALKER LORI A(81)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025
Form 4Statement of changes in beneficial ownership1 Oct 2024
Form 4Statement of changes in beneficial ownership1 Jul 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024

Reece Joseph E(71)

Form 4Statement of changes in beneficial ownership1 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership1 Apr
Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4/AStatement of changes in beneficial ownership (amendment)3 Jul 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025

UNDERDOWN RODNEY L(49)

Form 4Statement of changes in beneficial ownership26 Nov 2014
Form 4Statement of changes in beneficial ownership21 Nov 2014
Form 4Statement of changes in beneficial ownership13 Nov 2014
Form 4Statement of changes in beneficial ownership12 Sep 2014
Form 4Statement of changes in beneficial ownership20 Aug 2014
Form 4Statement of changes in beneficial ownership8 Aug 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership19 Nov 2013
Form 4Statement of changes in beneficial ownership1 Nov 2013
Form 4Statement of changes in beneficial ownership9 Aug 2013

CLARK KEITH E(48)

Form 4Statement of changes in beneficial ownership2 May 2013
Form 4Statement of changes in beneficial ownership12 Mar 2013
Form 4Statement of changes in beneficial ownership13 Nov 2012
Form 4Statement of changes in beneficial ownership5 Nov 2012
Form 4Statement of changes in beneficial ownership13 Mar 2012
Form 4Statement of changes in beneficial ownership10 May 2011
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010

SNIDER TIMOTHY R(45)

Form 4Statement of changes in beneficial ownership1 Jul 2011
Form 4Statement of changes in beneficial ownership16 Jun 2011
Form 4Statement of changes in beneficial ownership1 Apr 2011
Form 4Statement of changes in beneficial ownership16 Mar 2011
Form 4Statement of changes in beneficial ownership4 Jan 2011
Form 4Statement of changes in beneficial ownership16 Dec 2010
Form 4Statement of changes in beneficial ownership4 Oct 2010
Form 4Statement of changes in beneficial ownership16 Sep 2010
Form 4Statement of changes in beneficial ownership2 Jul 2010
Form 4Statement of changes in beneficial ownership16 Jun 2010

GOADBY DAVID J(34)

Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership13 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership10 Nov 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership21 May 2013
Form 4Statement of changes in beneficial ownership3 May 2013
Form 4Statement of changes in beneficial ownership12 Mar 2013
Form 4Statement of changes in beneficial ownership2 Nov 2012
Form 4Statement of changes in beneficial ownership13 Mar 2012

Fischer Valdemar L(34)

Form 4Statement of changes in beneficial ownership20 May 2021
Form 4Statement of changes in beneficial ownership17 May 2021
Form 4Statement of changes in beneficial ownership23 Mar 2021
Form 4Statement of changes in beneficial ownership16 Dec 2020
Form 4Statement of changes in beneficial ownership16 Sep 2020
Form 4Statement of changes in beneficial ownership16 Jun 2020
Form 4Statement of changes in beneficial ownership15 May 2020
Form 4Statement of changes in beneficial ownership6 Apr 2020
Form 4Statement of changes in beneficial ownership17 Mar 2020
Form 4Statement of changes in beneficial ownership3 Jan 2020

BAKER VERNON G II(31)

Form 4Statement of changes in beneficial ownership5 Jan 2009
Form 4Statement of changes in beneficial ownership16 Dec 2008
Form 4Statement of changes in beneficial ownership1 Oct 2008
Form 4Statement of changes in beneficial ownership16 Sep 2008
Form 4Statement of changes in beneficial ownership2 Jul 2008
Form 4Statement of changes in beneficial ownership16 Jun 2008
Form 4Statement of changes in beneficial ownership2 Apr 2008
Form 4Statement of changes in beneficial ownership17 Mar 2008
Form 4Statement of changes in beneficial ownership3 Jan 2008
Form 4Statement of changes in beneficial ownership17 Dec 2007

DOWLING EDWARD C(29)

Form 4Statement of changes in beneficial ownership19 Oct
Form 4Statement of changes in beneficial ownership20 Jan
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership16 Oct 2025
Form 4Statement of changes in beneficial ownership21 Jan 2025
Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024
Form 4Statement of changes in beneficial ownership22 Mar 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership22 Jan 2024

Standen James D.(29)

Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership21 Sep 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership16 Jun 2022
Form 4Statement of changes in beneficial ownership12 Apr 2022
Form 4Statement of changes in beneficial ownership5 Apr 2022
Form 4Statement of changes in beneficial ownership14 Jan 2022

DEALY RICHARD P(23)

Form 4Statement of changes in beneficial ownership1 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership1 Apr
Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025

Crutchfield Kevin S(23)

Form 4Statement of changes in beneficial ownership19 Jan 2024
Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership8 Aug 2022
Form 4Statement of changes in beneficial ownership21 Jun 2022
Form 4Statement of changes in beneficial ownership16 Jun 2022
Form 4Statement of changes in beneficial ownership12 May 2022

BRISIMITZAKIS ANGELO C(22)

Form 4Statement of changes in beneficial ownership31 Dec 2012
Form 4Statement of changes in beneficial ownership2 Nov 2012
Form 4Statement of changes in beneficial ownership11 May 2012
Form 4Statement of changes in beneficial ownership13 Mar 2012
Form 4Statement of changes in beneficial ownership1 Nov 2011
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership24 Aug 2010
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010

DUCEY MICHAEL E(22)

Form 4Statement of changes in beneficial ownership26 Apr 2006
Form 4Statement of changes in beneficial ownership3 Mar 2006
Form 4Statement of changes in beneficial ownership3 Feb 2006
Form 4Statement of changes in beneficial ownership25 Jan 2006
Form 4Statement of changes in beneficial ownership10 Jan 2006
Form 4Statement of changes in beneficial ownership22 Dec 2005
Form 4Statement of changes in beneficial ownership14 Nov 2005
Form 4Statement of changes in beneficial ownership19 Oct 2005
Form 4Statement of changes in beneficial ownership14 Sep 2005
Form 4Statement of changes in beneficial ownership17 Aug 2005

Joyce Gareth T(21)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025
Form 4Statement of changes in beneficial ownership1 Oct 2024
Form 4Statement of changes in beneficial ownership1 Jul 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024

Miller Melissa M(20)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025
Form 4Statement of changes in beneficial ownership1 Oct 2024
Form 4Statement of changes in beneficial ownership1 Jul 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024

Frontczak Mary L(17)

Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership7 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership16 Jun 2022
Form 4Statement of changes in beneficial ownership14 Jan 2022
Form 4Statement of changes in beneficial ownership2 Dec 2021

Griffith S Bradley(16)

Form 4Statement of changes in beneficial ownership19 Oct 2021
Form 4Statement of changes in beneficial ownership27 Jul 2021
Form 4Statement of changes in beneficial ownership9 Apr 2021
Form 4Statement of changes in beneficial ownership6 Apr 2021
Form 4Statement of changes in beneficial ownership15 Jan 2021
Form 4Statement of changes in beneficial ownership7 Jul 2020
Form 4Statement of changes in beneficial ownership13 Apr 2020
Form 4Statement of changes in beneficial ownership7 Apr 2020
Form 4Statement of changes in beneficial ownership15 Jan 2020
Form 4Statement of changes in beneficial ownership3 Apr 2019

Schuller George John JR(15)

Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership7 Sep 2022
Form 4Statement of changes in beneficial ownership14 Jan 2022
Form 4Statement of changes in beneficial ownership2 Dec 2021
Form 4Statement of changes in beneficial ownership19 Oct 2021
Form 4Statement of changes in beneficial ownership7 Sep 2021

Bryan Ronald(14)

Form 4Statement of changes in beneficial ownership1 Nov 2011
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership11 Feb 2011
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010
Form 4Statement of changes in beneficial ownership13 Mar 2009
Form 4Statement of changes in beneficial ownership13 Feb 2009
Form 4Statement of changes in beneficial ownership27 Jan 2009
Form 4Statement of changes in beneficial ownership18 Nov 2008
Form 4Statement of changes in beneficial ownership12 Mar 2008

Malecha Francis Joseph(12)

Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership13 Mar 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership14 Mar 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership20 Jan 2016
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership13 Mar 2013

Nichols Benjamin S.(12)

Form 4Statement of changes in beneficial ownership19 Oct
Form 4Statement of changes in beneficial ownership26 Jun
Form 4Statement of changes in beneficial ownership19 May
Form 4Statement of changes in beneficial ownership14 May
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership16 Oct 2025
Form 4Statement of changes in beneficial ownership25 Jun 2025
Form 4Statement of changes in beneficial ownership19 May 2025
Form 4Statement of changes in beneficial ownership17 Jun 2025
Form 4Statement of changes in beneficial ownership17 Oct 2024

Toman Diana(11)

Form 4Statement of changes in beneficial ownership3 Apr 2019
Form 4Statement of changes in beneficial ownership10 Apr 2019
Form 4/AStatement of changes in beneficial ownership (amendment)9 Apr 2019
Form 4Statement of changes in beneficial ownership4 Jan 2019
Form 4Statement of changes in beneficial ownership17 Dec 2018
Form 4Statement of changes in beneficial ownership13 Nov 2018
Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership10 Nov 2015

TOMFOHRDE HEINNE F III(10)

Form 4MAIN DOCUMENT DESCRIPTION19 Dec 2005
Form 4MAIN DOCUMENT DESCRIPTION5 Oct 2005
Form 4MAIN DOCUMENT DESCRIPTION19 Sep 2005
Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 4Statement of changes in beneficial ownership10 May 2004
Form 4Statement of changes in beneficial ownership30 Apr 2004
Form 4Statement of changes in beneficial ownership23 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES18 Dec 2003
Form 4Statement of changes in beneficial ownership19 Dec 2003

Fallis John S(10)

Form 4Statement of changes in beneficial ownership19 Feb 2008
Form 4Statement of changes in beneficial ownership14 Feb 2008
Form 4/AStatement of changes in beneficial ownership (amendment)15 Feb 2008
Form 4Statement of changes in beneficial ownership14 Mar 2007
Form 4Statement of changes in beneficial ownership16 Feb 2007
Form 4Statement of changes in beneficial ownership24 Feb 2006
Form 4Statement of changes in beneficial ownership25 Jan 2006
Form 4Statement of changes in beneficial ownership3 Mar 2005
Form 4Statement of changes in beneficial ownership1 Mar 2005
Form 3Initial statement of beneficial ownership10 Jan 2005

Berger Steven N.(10)

Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership28 Mar 2018
Form 4Statement of changes in beneficial ownership13 Mar 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership14 Mar 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 3Initial statement of beneficial ownership6 Jun 2013

Leunig Jack C.(10)

Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership14 Mar 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership18 Feb 2016
Form 4Statement of changes in beneficial ownership13 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 3Initial statement of beneficial ownership6 Jun 2013
Form 3/AInitial statement of beneficial ownership (amendment)7 Jun 2013

Bucan Gerald(9)

Form 4Statement of changes in beneficial ownership7 May 2013
Form 4Statement of changes in beneficial ownership12 Mar 2013
Form 4Statement of changes in beneficial ownership13 Mar 2012
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership15 Nov 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010
Form 4Statement of changes in beneficial ownership13 Mar 2009
Form 3Initial statement of beneficial ownership15 Nov 2007
Form 4Statement of changes in beneficial ownership14 Nov 2007

Cook Teresa D(9)

Form 4Statement of changes in beneficial ownership20 Nov 2023
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership22 May 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership12 Apr 2022
Form 4Statement of changes in beneficial ownership5 Apr 2022
Form 3Initial statement of beneficial ownership27 Jan 2022

Gardiner Jill V(9)

Form 4Statement of changes in beneficial ownership7 Mar 2024
Form 4Statement of changes in beneficial ownership3 Jan 2024
Form 4Statement of changes in beneficial ownership21 Dec 2023
Form 4Statement of changes in beneficial ownership3 Oct 2023
Form 4Statement of changes in beneficial ownership21 Sep 2023
Form 4Statement of changes in beneficial ownership5 Jul 2023
Form 4Statement of changes in beneficial ownership22 Jun 2023
Form 3Initial statement of beneficial ownership5 May 2023
Form 4Statement of changes in beneficial ownership5 May 2023

Miller Robert Dana(7)

Form 4Statement of changes in beneficial ownership2 Nov 2016
Form 4Statement of changes in beneficial ownership23 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership20 Nov 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership5 Nov 2013
Form 3Initial statement of beneficial ownership1 Nov 2013

Crenshaw Lorin(7)

Form 4Statement of changes in beneficial ownership5 Dec 2023
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership2 Dec 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership12 May 2022
Form 4Statement of changes in beneficial ownership2 Dec 2021
Form 3Initial statement of beneficial ownership2 Dec 2021

Safran David(7)

Form 4Statement of changes in beneficial ownership15 Oct
Form 4Statement of changes in beneficial ownership1 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership1 Apr
Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership29 Jan
Form 3Initial statement of beneficial ownership29 Jan

Stevenson John R(6)

Form 4MAIN DOCUMENT DESCRIPTION5 Jan 2006
Form 4MAIN DOCUMENT DESCRIPTION19 Dec 2005
Form 4MAIN DOCUMENT DESCRIPTION5 Oct 2005
Form 4MAIN DOCUMENT DESCRIPTION19 Sep 2005
Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 3Initial statement of beneficial ownership19 May 2005

Sepich Anthony J.(6)

Form 4Statement of changes in beneficial ownership3 Apr 2019
Form 4Statement of changes in beneficial ownership4 Jan 2019
Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership1 Dec 2016
Form 3Initial statement of beneficial ownership1 Dec 2016

Cathey Jeffrey M(6)

Form 4Statement of changes in beneficial ownership19 Dec 2024
Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership11 Jun 2024
Form 4Statement of changes in beneficial ownership29 Apr 2024
Form 4Statement of changes in beneficial ownership20 Dec 2023
Form 3Initial statement of beneficial ownership20 Dec 2023

Ward Ashley(6)

Form 4Statement of changes in beneficial ownership19 Oct
Form 4Statement of changes in beneficial ownership29 Jul
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership16 Oct 2025
Form 4Statement of changes in beneficial ownership5 Feb 2025
Form 3Initial statement of beneficial ownership2 Jul 2024

PERTZ DOUGLAS A(5)

Form 4Statement of changes in beneficial ownership4 Aug 2005
Form 4Statement of changes in beneficial ownership22 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

APOLLO OVERSEAS PARTNERS V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO INVESTMENT FUND V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO ADVISORS V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO MANAGEMENT V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO NETHERLANDS PARTNERS V A LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO NETHERLANDS PARTNERS V B LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO GERMAN PARTNERS V GMBH & CO KG(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

ASEN JOEL A(5)

Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 4Statement of changes in beneficial ownership11 May 2004
Form 4Statement of changes in beneficial ownership19 Mar 2004
Form 4Statement of changes in beneficial ownership23 Jan 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

YBR HOLDINGS LLC(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

YBR NETHERLANDS I LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

YBR NETHERLANDS II LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

Espelien Keith E.(5)

Form 4Statement of changes in beneficial ownership13 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership8 Jul 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 3Initial statement of beneficial ownership6 Jun 2013

Foulston Matthew J.(5)

Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership4 Mar 2016
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership4 Dec 2014
Form 3Initial statement of beneficial ownership4 Dec 2014

Jones Angela Y(5)

Form 4Statement of changes in beneficial ownership15 Jan 2020
Form 4Statement of changes in beneficial ownership3 Apr 2019
Form 4Statement of changes in beneficial ownership4 Jan 2019
Form 3/AInitial statement of beneficial ownership (amendment)21 Sep 2018
Form 3Initial statement of beneficial ownership18 Sep 2018

HARRIS JOSHUA(4)

Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 4Statement of changes in beneficial ownership28 Apr 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

WOLF STEVEN(4)

Form 4Statement of changes in beneficial ownership8 Mar 2005
Form 4Statement of changes in beneficial ownership11 May 2004
Form 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003
Form 3Initial statement of beneficial ownership12 Dec 2003

Hood Jennifer R.(4)

Form 4Statement of changes in beneficial ownership3 Mar 2025
Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 3Initial statement of beneficial ownership14 Mar 2024

Fjellman Peter(4)

Form 4Statement of changes in beneficial ownership29 Jan
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership5 Feb 2025
Form 3Initial statement of beneficial ownership5 Feb 2025

Merrin Patrick James(4)

Form 4Statement of changes in beneficial ownership4 Mar
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 3Initial statement of beneficial ownership5 Mar 2025
Form 4Statement of changes in beneficial ownership5 Mar 2025

Tills Amy(4)

Form 4Statement of changes in beneficial ownership15 Sep
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership9 Oct 2025
Form 3Initial statement of beneficial ownership9 Oct 2025

KLEINMAN SCOTT(3)

Form 4Statement of changes in beneficial ownership17 Mar 2004
Form 4Statement of changes in beneficial ownership25 Feb 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

Ball Russell David(3)

Form 4Statement of changes in beneficial ownership9 Mar
Form 3Initial statement of beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership5 Jan

Kinnune Shelly(3)

Form 4Statement of changes in beneficial ownership13 Mar 2013
Form 3Initial statement of beneficial ownership9 May 2012
Form 4Statement of changes in beneficial ownership9 May 2012

Merle Denise M(3)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership26 Jan
Form 3Initial statement of beneficial ownership26 Jan

Roberts Mark Lawrence(3)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership29 Jan
Form 3Initial statement of beneficial ownership29 Jan

KOCH INDUSTRIES INC(2)

Form 4Statement of changes in beneficial ownership2 Aug 2024
Form 3Initial statement of beneficial ownership21 Oct 2022

COPSES PETER P(2)

Form 4Statement of changes in beneficial ownership17 May 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

FALK ROBERT H(2)

Form 4Statement of changes in beneficial ownership27 May 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

CLARK ROBERT F(2)

Form 4Statement of changes in beneficial ownership17 May 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

Linehan Patrick Douglas(2)

Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 3Initial statement of beneficial ownership5 Apr 2017

Craft John David(2)

Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 3Initial statement of beneficial ownership14 Nov 2016

Dunn B. Gordon(2)

Form 4Statement of changes in beneficial ownership21 May 2024
Form 3Initial statement of beneficial ownership5 Mar 2024

Risner Brandon(2)

Form 4Statement of changes in beneficial ownership19 Oct
Form 3Initial statement of beneficial ownership13 Aug

KM&T Investment Holdings, LLC(1)

Form 3Initial statement of beneficial ownership21 Oct 2022

Chisholm Jon A(1)

Form 3Initial statement of beneficial ownership23 Nov 2022

Wagnon Shane T(1)

Form 3Initial statement of beneficial ownership23 Nov 2022

Holtzman Vance O.(1)

Form 3Initial statement of beneficial ownership12 Mar 2024

Koch, Inc.(1)

Form 3Initial statement of beneficial ownership2 Aug 2024

≥5% Ownership

VANGUARD GROUP INC(19)

SC 13G/ACompass Minerals International Inc26 Mar
SC 13G/ACompass Minerals International Inc30 Oct 2025
SC 13G/ACompass Minerals International Inc30 Jan 2025
SC 13G/ACompass Minerals International Inc12 Nov 2024
SC 13G/ACompass Minerals International Inc4 Nov 2024
SC 13G/ACompass Minerals International Inc13 Feb 2024
SC 13G/ACompass Minerals International Inc10 Apr 2023
SC 13G/ACompass Minerals International Inc9 Feb 2023
SC 13G/ACompass Minerals International Inc9 Feb 2022
SC 13G/ACompass Minerals International Inc10 Jun 2021

BlackRock Inc.(17)

SC 13G/ACompass Minerals International Inc22 Jan 2024
SC 13G/ACompass Minerals International Inc26 Jan 2023
SC 13G/ACompass Minerals International Inc20 Jan 2023
SC 13GCompass Minerals International Inc9 Jun 2022
SC 13G/ACompass Minerals International Inc28 Jan 2022
SC 13G/ACompass Minerals International Inc27 Jan 2021
SC 13G/ACompass Minerals International Inc4 Feb 2020
SC 13G/ACompass Minerals International Inc24 Jan 2019
SC 13G/ACompass Minerals International Inc19 Jan 2018
SC 13G/ACompass Minerals International Inc10 Jul 2017

FMR LLC(14)

SC 13G/ACompass Minerals International Inc13 Feb 2018
SC 13G/ACompass Minerals International Inc12 Jun 2017
SC 13G/ACompass Minerals International Inc14 Feb 2017
SC 13GCompass Minerals International Inc12 Feb 2016
SC 13G/ACompass Minerals International Inc10 Feb 2016
SC 13G/ACompass Minerals International Inc14 Feb 2012
SC 13G/ACompass Minerals International Inc14 Feb 2011
SC 13GCompass Minerals International Inc11 Jan 2010
SC 13G/ACompass Minerals International Inc12 Jan 2009
SC 13G/ACompass Minerals International Inc14 Feb 2008

STATE STREET CORP(10)

SC 13GCompass Minerals International Inc12 May
SC 13GCompass Minerals International Inc9 Feb
SC 13GCompass Minerals International Inc10 Nov 2025
SC 13G/ACompass Minerals International Inc17 Oct 2024
SC 13G/ACompass Minerals International Inc25 Jan 2024
SC 13G/ACompass Minerals International Inc8 Feb 2023
SC 13G/ACompass Minerals International Inc10 Feb 2022
SC 13GCompass Minerals International Inc8 Feb 2021
SC 13GCompass Minerals International Inc14 Feb 2020
SC 13GCompass Minerals International Inc13 Feb 2019

Neuberger Berman Group LLC(9)

SC 13G/ACompass Minerals International Inc14 Feb 2017
SC 13G/ACompass Minerals International Inc9 Feb 2016
SC 13G/ACompass Minerals International Inc12 Feb 2015
SC 13G/ACompass Minerals International Inc12 Feb 2014
SC 13G/ACompass Minerals International Inc14 Feb 2013
SC 13G/ACompass Minerals International Inc14 Feb 2012
SC 13G/ACompass Minerals International Inc14 Feb 2011
SC 13G/ACompass Minerals International Inc16 Feb 2010
SC 13GCompass Minerals International Inc11 Jun 2009

NEUBERGER BERMAN INC(8)

SC 13G/ACompass Minerals International Inc12 Feb 2009
SC 13G/ACompass Minerals International Inc13 Feb 2008
SC 13G/ACompass Minerals International Inc13 Feb 2007
SC 13G/ACompass Minerals International Inc21 Feb 2006
SC 13G/ACompass Minerals International Inc15 Feb 2006
SC 13GCompass Minerals International Inc11 Oct 2005
SC 13G/ACompass Minerals International Inc9 Aug 2004
SC 13GCompass Minerals International Inc13 Feb 2004

RS INVESTMENT MANAGEMENT CO LLC(7)

SC 13G/ACompass Minerals International Inc10 Jul 2014
SC 13G/ACompass Minerals International Inc14 Feb 2014
SC 13G/ACompass Minerals International Inc15 Feb 2013
SC 13GCompass Minerals International Inc14 Feb 2013
SC 13G/ACompass Minerals International Inc9 Feb 2012
SC 13GCompass Minerals International Inc10 Aug 2011
SC 13GCompass Minerals International Inc9 Feb 2011

PARNASSUS INVESTMENTS /CA(6)

SC 13G/ACompass Minerals International Inc12 Feb 2018
SC 13G/ACompass Minerals International Inc14 Feb 2017
SC 13G/ACompass Minerals International Inc12 Feb 2016
SC 13G/ACompass Minerals International Inc12 Feb 2015
SC 13G/ACompass Minerals International Inc14 Feb 2014
SC 13GCompass Minerals International Inc8 Feb 2013

SHAPIRO CAPITAL MANAGEMENT LLC(5)

SC 13GCompass Minerals International Inc10 Jul 2020
SC 13GCompass Minerals International Inc8 May 2020
SC 13GCompass Minerals International Inc10 Mar 2020
SC 13GCompass Minerals International Inc14 Feb 2020
SC 13GCompass Minerals International Inc14 Feb 2019

BlackRock, Inc.(5)

SC 13G/ACompass Minerals International Inc27 Apr
SC 13G/ACompass Minerals International Inc17 Jul 2025
SC 13G/ACompass Minerals International Inc28 Apr 2025
SC 13G/ACompass Minerals International Inc8 Nov 2024
SC 13G/ACompass Minerals International Inc23 Oct 2024

PRICE T ROWE ASSOCIATES INC /MD/(4)

SC 13G/ACompass Minerals International Inc11 Feb 2015
SC 13G/ACompass Minerals International Inc12 Feb 2014
SC 13G/ACompass Minerals International Inc12 Feb 2013
SC 13GCompass Minerals International Inc14 Feb 2012

VAN ECK ASSOCIATES CORP(4)

SC 13G/ACompass Minerals International Inc6 Jul 2022
SC 13G/ACompass Minerals International Inc5 Apr 2022
SC 13G/ACompass Minerals International Inc4 Feb 2022
SC 13GCompass Minerals International Inc11 Feb 2021

WELLS FARGO & CO/MN(2)

SC 13G/ACompass Minerals International Inc9 Mar 2009
SC 13GCompass Minerals International Inc27 Jan 2009

OppenheimerFunds, Inc.(2)

SC 13G/ACompass Minerals International Inc18 Jan 2019
SC 13GCompass Minerals International Inc7 Feb 2018

JANUS CAPITAL MANAGEMENT LLC(2)

SC 13G/ACompass Minerals International Inc6 Feb 2018
SC 13GCompass Minerals International Inc13 Feb 2017

AMERIPRISE FINANCIAL INC(2)

SC 13GCompass Minerals International Inc15 Feb 2006
SC 13GCompass Minerals International Inc11 Feb 2005

CITIGROUP INC(2)

SC 13G/ACompass Minerals International Inc11 Oct 2005
SC 13GCompass Minerals International Inc11 Feb 2005

CHILTON INVESTMENT CO INC(2)

SC 13G/ACompass Minerals International Inc14 Feb 2005
SC 13GCompass Minerals International Inc10 Aug 2004

APOLLO MANAGEMENT V LP(2)

SC 13D/ACompass Minerals International Inc24 Nov 2004
SC 13D/ACompass Minerals International Inc15 Jul 2004

CHILTON INVESTMENT CO LLC(2)

SC 13G/ACompass Minerals International Inc14 Feb 2007
SC 13G/ACompass Minerals International Inc14 Feb 2006

Kidron Partners IV LP(2)

SC 13G/ACompass Minerals International Inc20 Feb 2009
SC 13GCompass Minerals International Inc20 Jan 2009

Capital Research Global Investors(2)

SC 13G/ACompass Minerals International Inc17 Feb 2009
SC 13GCompass Minerals International Inc12 Feb 2008

SailingStone Capital Partners LLC(2)

SC 13G/ACompass Minerals International Inc19 Sep 2024
SC 13GCompass Minerals International Inc16 Sep 2024

KM&T Investment Holdings, LLC(2)

SC 13D/ACompass Minerals International Inc2 Aug 2024
SC 13DCompass Minerals International Inc21 Oct 2022

Gumshoe Capital Management LLC(2)

SC 13G/ACompass Minerals International Inc14 Aug 2025
SC 13GCompass Minerals International Inc28 Apr 2025

AMERICAN CENTURY INVESTMENT MANAGEMENT INC(1)

SC 13GCompass Minerals International Inc14 Aug

APOLLO INVESTMENT FUND V LP(1)

SC 13DCompass Minerals International Inc23 Dec 2003

Allianz Global Investors Management Partners LLC(1)

SC 13GCompass Minerals International Inc12 Feb 2010

Allianz Global Investors Capital LLC(1)

SC 13G/ACompass Minerals International Inc14 Feb 2011

M Partners Fund LP(1)

SC 13GCompass Minerals International Inc18 Nov 2025

Insider Ownership

GRANT RICHARD S(144)

Form 4Statement of changes in beneficial ownership18 Nov 2021
Form 4Statement of changes in beneficial ownership21 Sep 2021
Form 4Statement of changes in beneficial ownership22 Jun 2021
Form 4Statement of changes in beneficial ownership20 May 2021
Form 4Statement of changes in beneficial ownership17 May 2021
Form 4Statement of changes in beneficial ownership23 Mar 2021
Form 4Statement of changes in beneficial ownership5 Jan 2021
Form 4Statement of changes in beneficial ownership16 Dec 2020
Form 4Statement of changes in beneficial ownership16 Sep 2020
Form 4Statement of changes in beneficial ownership16 Jun 2020

DANTONI DAVID J(130)

Form 4Statement of changes in beneficial ownership15 May 2020
Form 4Statement of changes in beneficial ownership1 Apr 2020
Form 4Statement of changes in beneficial ownership17 Mar 2020
Form 4Statement of changes in beneficial ownership3 Jan 2020
Form 4Statement of changes in beneficial ownership18 Dec 2019
Form 4Statement of changes in beneficial ownership2 Oct 2019
Form 4Statement of changes in beneficial ownership17 Sep 2019
Form 4Statement of changes in beneficial ownership1 Jul 2019
Form 4Statement of changes in beneficial ownership17 Jun 2019
Form 4Statement of changes in beneficial ownership1 Apr 2019

ROTHWELL ALLAN R(129)

Form 4Statement of changes in beneficial ownership2 Mar 2022
Form 4Statement of changes in beneficial ownership21 Dec 2021
Form 4Statement of changes in beneficial ownership21 Sep 2021
Form 4Statement of changes in beneficial ownership22 Jun 2021
Form 4Statement of changes in beneficial ownership20 May 2021
Form 4Statement of changes in beneficial ownership17 May 2021
Form 4Statement of changes in beneficial ownership23 Mar 2021
Form 4Statement of changes in beneficial ownership5 Jan 2021
Form 4Statement of changes in beneficial ownership16 Dec 2020
Form 4Statement of changes in beneficial ownership1 Oct 2020

WILLIAMS PAUL S(106)

Form 4Statement of changes in beneficial ownership16 Feb 2023
Form 4Statement of changes in beneficial ownership22 Dec 2022
Form 4Statement of changes in beneficial ownership21 Sep 2022
Form 4Statement of changes in beneficial ownership22 Jun 2022
Form 4Statement of changes in beneficial ownership19 May 2022
Form 4Statement of changes in beneficial ownership22 Mar 2022
Form 4Statement of changes in beneficial ownership28 Feb 2022
Form 4Statement of changes in beneficial ownership21 Dec 2021
Form 4Statement of changes in beneficial ownership21 Sep 2021
Form 4Statement of changes in beneficial ownership22 Jun 2021

Ford Eric(93)

Form 4Statement of changes in beneficial ownership22 Aug 2023
Form 4Statement of changes in beneficial ownership5 Jul 2023
Form 4Statement of changes in beneficial ownership22 Jun 2023
Form 4Statement of changes in beneficial ownership4 Apr 2023
Form 4Statement of changes in beneficial ownership22 Mar 2023
Form 4Statement of changes in beneficial ownership16 Feb 2023
Form 4Statement of changes in beneficial ownership22 Dec 2022
Form 4Statement of changes in beneficial ownership21 Sep 2022
Form 4Statement of changes in beneficial ownership22 Jun 2022
Form 4Statement of changes in beneficial ownership19 May 2022

BELL BRADLEY J(89)

Form 4Statement of changes in beneficial ownership2 Jan 2015
Form 4Statement of changes in beneficial ownership1 Jul 2015
Form 4Statement of changes in beneficial ownership12 Jun 2015
Form 4Statement of changes in beneficial ownership1 Apr 2015
Form 4Statement of changes in beneficial ownership16 Mar 2015
Form 4/AStatement of changes in beneficial ownership (amendment)22 Jan 2015
Form 4Statement of changes in beneficial ownership15 Dec 2014
Form 4Statement of changes in beneficial ownership2 Oct 2014
Form 4Statement of changes in beneficial ownership16 Sep 2014
Form 4Statement of changes in beneficial ownership4 Sep 2014

Yoder Amy(88)

Form 4Statement of changes in beneficial ownership16 Feb 2023
Form 4Statement of changes in beneficial ownership22 Dec 2022
Form 4Statement of changes in beneficial ownership21 Sep 2022
Form 4Statement of changes in beneficial ownership22 Jun 2022
Form 4Statement of changes in beneficial ownership9 Aug 2022
Form 4Statement of changes in beneficial ownership19 May 2022
Form 4Statement of changes in beneficial ownership17 May 2022
Form 4Statement of changes in beneficial ownership22 Mar 2022
Form 4Statement of changes in beneficial ownership28 Feb 2022
Form 4Statement of changes in beneficial ownership4 Jan 2022

Premdas Perry W(84)

Form 4Statement of changes in beneficial ownership1 Apr 2015
Form 4Statement of changes in beneficial ownership16 Mar 2015
Form 4Statement of changes in beneficial ownership2 Jan 2015
Form 4Statement of changes in beneficial ownership15 Dec 2014
Form 4Statement of changes in beneficial ownership2 Oct 2014
Form 4Statement of changes in beneficial ownership16 Sep 2014
Form 4Statement of changes in beneficial ownership1 Jul 2014
Form 4Statement of changes in beneficial ownership17 Jun 2014
Form 4Statement of changes in beneficial ownership1 Apr 2014
Form 4Statement of changes in beneficial ownership17 Mar 2014

WALKER LORI A(81)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025
Form 4Statement of changes in beneficial ownership1 Oct 2024
Form 4Statement of changes in beneficial ownership1 Jul 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024

Reece Joseph E(71)

Form 4Statement of changes in beneficial ownership1 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership1 Apr
Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4/AStatement of changes in beneficial ownership (amendment)3 Jul 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025

UNDERDOWN RODNEY L(49)

Form 4Statement of changes in beneficial ownership26 Nov 2014
Form 4Statement of changes in beneficial ownership21 Nov 2014
Form 4Statement of changes in beneficial ownership13 Nov 2014
Form 4Statement of changes in beneficial ownership12 Sep 2014
Form 4Statement of changes in beneficial ownership20 Aug 2014
Form 4Statement of changes in beneficial ownership8 Aug 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership19 Nov 2013
Form 4Statement of changes in beneficial ownership1 Nov 2013
Form 4Statement of changes in beneficial ownership9 Aug 2013

CLARK KEITH E(48)

Form 4Statement of changes in beneficial ownership2 May 2013
Form 4Statement of changes in beneficial ownership12 Mar 2013
Form 4Statement of changes in beneficial ownership13 Nov 2012
Form 4Statement of changes in beneficial ownership5 Nov 2012
Form 4Statement of changes in beneficial ownership13 Mar 2012
Form 4Statement of changes in beneficial ownership10 May 2011
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010

SNIDER TIMOTHY R(45)

Form 4Statement of changes in beneficial ownership1 Jul 2011
Form 4Statement of changes in beneficial ownership16 Jun 2011
Form 4Statement of changes in beneficial ownership1 Apr 2011
Form 4Statement of changes in beneficial ownership16 Mar 2011
Form 4Statement of changes in beneficial ownership4 Jan 2011
Form 4Statement of changes in beneficial ownership16 Dec 2010
Form 4Statement of changes in beneficial ownership4 Oct 2010
Form 4Statement of changes in beneficial ownership16 Sep 2010
Form 4Statement of changes in beneficial ownership2 Jul 2010
Form 4Statement of changes in beneficial ownership16 Jun 2010

GOADBY DAVID J(34)

Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership13 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership10 Nov 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership21 May 2013
Form 4Statement of changes in beneficial ownership3 May 2013
Form 4Statement of changes in beneficial ownership12 Mar 2013
Form 4Statement of changes in beneficial ownership2 Nov 2012
Form 4Statement of changes in beneficial ownership13 Mar 2012

Fischer Valdemar L(34)

Form 4Statement of changes in beneficial ownership20 May 2021
Form 4Statement of changes in beneficial ownership17 May 2021
Form 4Statement of changes in beneficial ownership23 Mar 2021
Form 4Statement of changes in beneficial ownership16 Dec 2020
Form 4Statement of changes in beneficial ownership16 Sep 2020
Form 4Statement of changes in beneficial ownership16 Jun 2020
Form 4Statement of changes in beneficial ownership15 May 2020
Form 4Statement of changes in beneficial ownership6 Apr 2020
Form 4Statement of changes in beneficial ownership17 Mar 2020
Form 4Statement of changes in beneficial ownership3 Jan 2020

BAKER VERNON G II(31)

Form 4Statement of changes in beneficial ownership5 Jan 2009
Form 4Statement of changes in beneficial ownership16 Dec 2008
Form 4Statement of changes in beneficial ownership1 Oct 2008
Form 4Statement of changes in beneficial ownership16 Sep 2008
Form 4Statement of changes in beneficial ownership2 Jul 2008
Form 4Statement of changes in beneficial ownership16 Jun 2008
Form 4Statement of changes in beneficial ownership2 Apr 2008
Form 4Statement of changes in beneficial ownership17 Mar 2008
Form 4Statement of changes in beneficial ownership3 Jan 2008
Form 4Statement of changes in beneficial ownership17 Dec 2007

DOWLING EDWARD C(29)

Form 4Statement of changes in beneficial ownership19 Oct
Form 4Statement of changes in beneficial ownership20 Jan
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership16 Oct 2025
Form 4Statement of changes in beneficial ownership21 Jan 2025
Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024
Form 4Statement of changes in beneficial ownership22 Mar 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership22 Jan 2024

Standen James D.(29)

Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership21 Sep 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership16 Jun 2022
Form 4Statement of changes in beneficial ownership12 Apr 2022
Form 4Statement of changes in beneficial ownership5 Apr 2022
Form 4Statement of changes in beneficial ownership14 Jan 2022

DEALY RICHARD P(23)

Form 4Statement of changes in beneficial ownership1 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership1 Apr
Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025

Crutchfield Kevin S(23)

Form 4Statement of changes in beneficial ownership19 Jan 2024
Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership8 Aug 2022
Form 4Statement of changes in beneficial ownership21 Jun 2022
Form 4Statement of changes in beneficial ownership16 Jun 2022
Form 4Statement of changes in beneficial ownership12 May 2022

BRISIMITZAKIS ANGELO C(22)

Form 4Statement of changes in beneficial ownership31 Dec 2012
Form 4Statement of changes in beneficial ownership2 Nov 2012
Form 4Statement of changes in beneficial ownership11 May 2012
Form 4Statement of changes in beneficial ownership13 Mar 2012
Form 4Statement of changes in beneficial ownership1 Nov 2011
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership24 Aug 2010
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010

DUCEY MICHAEL E(22)

Form 4Statement of changes in beneficial ownership26 Apr 2006
Form 4Statement of changes in beneficial ownership3 Mar 2006
Form 4Statement of changes in beneficial ownership3 Feb 2006
Form 4Statement of changes in beneficial ownership25 Jan 2006
Form 4Statement of changes in beneficial ownership10 Jan 2006
Form 4Statement of changes in beneficial ownership22 Dec 2005
Form 4Statement of changes in beneficial ownership14 Nov 2005
Form 4Statement of changes in beneficial ownership19 Oct 2005
Form 4Statement of changes in beneficial ownership14 Sep 2005
Form 4Statement of changes in beneficial ownership17 Aug 2005

Joyce Gareth T(21)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025
Form 4Statement of changes in beneficial ownership1 Oct 2024
Form 4Statement of changes in beneficial ownership1 Jul 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024

Miller Melissa M(20)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership1 Jul 2025
Form 4Statement of changes in beneficial ownership2 Apr 2025
Form 4Statement of changes in beneficial ownership7 Mar 2025
Form 4Statement of changes in beneficial ownership3 Jan 2025
Form 4Statement of changes in beneficial ownership1 Oct 2024
Form 4Statement of changes in beneficial ownership1 Jul 2024
Form 4Statement of changes in beneficial ownership31 Mar 2024

Frontczak Mary L(17)

Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership7 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership16 Jun 2022
Form 4Statement of changes in beneficial ownership14 Jan 2022
Form 4Statement of changes in beneficial ownership2 Dec 2021

Griffith S Bradley(16)

Form 4Statement of changes in beneficial ownership19 Oct 2021
Form 4Statement of changes in beneficial ownership27 Jul 2021
Form 4Statement of changes in beneficial ownership9 Apr 2021
Form 4Statement of changes in beneficial ownership6 Apr 2021
Form 4Statement of changes in beneficial ownership15 Jan 2021
Form 4Statement of changes in beneficial ownership7 Jul 2020
Form 4Statement of changes in beneficial ownership13 Apr 2020
Form 4Statement of changes in beneficial ownership7 Apr 2020
Form 4Statement of changes in beneficial ownership15 Jan 2020
Form 4Statement of changes in beneficial ownership3 Apr 2019

Schuller George John JR(15)

Form 4Statement of changes in beneficial ownership17 Jan 2024
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership7 Sep 2022
Form 4Statement of changes in beneficial ownership14 Jan 2022
Form 4Statement of changes in beneficial ownership2 Dec 2021
Form 4Statement of changes in beneficial ownership19 Oct 2021
Form 4Statement of changes in beneficial ownership7 Sep 2021

Bryan Ronald(14)

Form 4Statement of changes in beneficial ownership1 Nov 2011
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership11 Feb 2011
Form 4Statement of changes in beneficial ownership16 Mar 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010
Form 4Statement of changes in beneficial ownership13 Mar 2009
Form 4Statement of changes in beneficial ownership13 Feb 2009
Form 4Statement of changes in beneficial ownership27 Jan 2009
Form 4Statement of changes in beneficial ownership18 Nov 2008
Form 4Statement of changes in beneficial ownership12 Mar 2008

Malecha Francis Joseph(12)

Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership13 Mar 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership14 Mar 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership20 Jan 2016
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership13 Mar 2013

Nichols Benjamin S.(12)

Form 4Statement of changes in beneficial ownership19 Oct
Form 4Statement of changes in beneficial ownership26 Jun
Form 4Statement of changes in beneficial ownership19 May
Form 4Statement of changes in beneficial ownership14 May
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership16 Oct 2025
Form 4Statement of changes in beneficial ownership25 Jun 2025
Form 4Statement of changes in beneficial ownership19 May 2025
Form 4Statement of changes in beneficial ownership17 Jun 2025
Form 4Statement of changes in beneficial ownership17 Oct 2024

Toman Diana(11)

Form 4Statement of changes in beneficial ownership3 Apr 2019
Form 4Statement of changes in beneficial ownership10 Apr 2019
Form 4/AStatement of changes in beneficial ownership (amendment)9 Apr 2019
Form 4Statement of changes in beneficial ownership4 Jan 2019
Form 4Statement of changes in beneficial ownership17 Dec 2018
Form 4Statement of changes in beneficial ownership13 Nov 2018
Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership10 Nov 2015

TOMFOHRDE HEINNE F III(10)

Form 4MAIN DOCUMENT DESCRIPTION19 Dec 2005
Form 4MAIN DOCUMENT DESCRIPTION5 Oct 2005
Form 4MAIN DOCUMENT DESCRIPTION19 Sep 2005
Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 4Statement of changes in beneficial ownership10 May 2004
Form 4Statement of changes in beneficial ownership30 Apr 2004
Form 4Statement of changes in beneficial ownership23 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES18 Dec 2003
Form 4Statement of changes in beneficial ownership19 Dec 2003

Fallis John S(10)

Form 4Statement of changes in beneficial ownership19 Feb 2008
Form 4Statement of changes in beneficial ownership14 Feb 2008
Form 4/AStatement of changes in beneficial ownership (amendment)15 Feb 2008
Form 4Statement of changes in beneficial ownership14 Mar 2007
Form 4Statement of changes in beneficial ownership16 Feb 2007
Form 4Statement of changes in beneficial ownership24 Feb 2006
Form 4Statement of changes in beneficial ownership25 Jan 2006
Form 4Statement of changes in beneficial ownership3 Mar 2005
Form 4Statement of changes in beneficial ownership1 Mar 2005
Form 3Initial statement of beneficial ownership10 Jan 2005

Berger Steven N.(10)

Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership28 Mar 2018
Form 4Statement of changes in beneficial ownership13 Mar 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership14 Mar 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 3Initial statement of beneficial ownership6 Jun 2013

Leunig Jack C.(10)

Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership14 Mar 2017
Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership15 Mar 2016
Form 4Statement of changes in beneficial ownership18 Feb 2016
Form 4Statement of changes in beneficial ownership13 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 3Initial statement of beneficial ownership6 Jun 2013
Form 3/AInitial statement of beneficial ownership (amendment)7 Jun 2013

Bucan Gerald(9)

Form 4Statement of changes in beneficial ownership7 May 2013
Form 4Statement of changes in beneficial ownership12 Mar 2013
Form 4Statement of changes in beneficial ownership13 Mar 2012
Form 4Statement of changes in beneficial ownership11 Mar 2011
Form 4Statement of changes in beneficial ownership15 Nov 2010
Form 4Statement of changes in beneficial ownership12 Mar 2010
Form 4Statement of changes in beneficial ownership13 Mar 2009
Form 3Initial statement of beneficial ownership15 Nov 2007
Form 4Statement of changes in beneficial ownership14 Nov 2007

Cook Teresa D(9)

Form 4Statement of changes in beneficial ownership20 Nov 2023
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership22 May 2023
Form 4Statement of changes in beneficial ownership18 Jan 2023
Form 4Statement of changes in beneficial ownership16 Nov 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership12 Apr 2022
Form 4Statement of changes in beneficial ownership5 Apr 2022
Form 3Initial statement of beneficial ownership27 Jan 2022

Gardiner Jill V(9)

Form 4Statement of changes in beneficial ownership7 Mar 2024
Form 4Statement of changes in beneficial ownership3 Jan 2024
Form 4Statement of changes in beneficial ownership21 Dec 2023
Form 4Statement of changes in beneficial ownership3 Oct 2023
Form 4Statement of changes in beneficial ownership21 Sep 2023
Form 4Statement of changes in beneficial ownership5 Jul 2023
Form 4Statement of changes in beneficial ownership22 Jun 2023
Form 3Initial statement of beneficial ownership5 May 2023
Form 4Statement of changes in beneficial ownership5 May 2023

Miller Robert Dana(7)

Form 4Statement of changes in beneficial ownership2 Nov 2016
Form 4Statement of changes in beneficial ownership23 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership20 Nov 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 4Statement of changes in beneficial ownership5 Nov 2013
Form 3Initial statement of beneficial ownership1 Nov 2013

Crenshaw Lorin(7)

Form 4Statement of changes in beneficial ownership5 Dec 2023
Form 4Statement of changes in beneficial ownership17 Oct 2023
Form 4Statement of changes in beneficial ownership2 Dec 2022
Form 4Statement of changes in beneficial ownership18 Oct 2022
Form 4Statement of changes in beneficial ownership12 May 2022
Form 4Statement of changes in beneficial ownership2 Dec 2021
Form 3Initial statement of beneficial ownership2 Dec 2021

Safran David(7)

Form 4Statement of changes in beneficial ownership15 Oct
Form 4Statement of changes in beneficial ownership1 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership1 Apr
Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership29 Jan
Form 3Initial statement of beneficial ownership29 Jan

Stevenson John R(6)

Form 4MAIN DOCUMENT DESCRIPTION5 Jan 2006
Form 4MAIN DOCUMENT DESCRIPTION19 Dec 2005
Form 4MAIN DOCUMENT DESCRIPTION5 Oct 2005
Form 4MAIN DOCUMENT DESCRIPTION19 Sep 2005
Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 3Initial statement of beneficial ownership19 May 2005

Sepich Anthony J.(6)

Form 4Statement of changes in beneficial ownership3 Apr 2019
Form 4Statement of changes in beneficial ownership4 Jan 2019
Form 4Statement of changes in beneficial ownership4 Apr 2018
Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 4Statement of changes in beneficial ownership1 Dec 2016
Form 3Initial statement of beneficial ownership1 Dec 2016

Cathey Jeffrey M(6)

Form 4Statement of changes in beneficial ownership19 Dec 2024
Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership11 Jun 2024
Form 4Statement of changes in beneficial ownership29 Apr 2024
Form 4Statement of changes in beneficial ownership20 Dec 2023
Form 3Initial statement of beneficial ownership20 Dec 2023

Ward Ashley(6)

Form 4Statement of changes in beneficial ownership19 Oct
Form 4Statement of changes in beneficial ownership29 Jul
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership16 Oct 2025
Form 4Statement of changes in beneficial ownership5 Feb 2025
Form 3Initial statement of beneficial ownership2 Jul 2024

PERTZ DOUGLAS A(5)

Form 4Statement of changes in beneficial ownership4 Aug 2005
Form 4Statement of changes in beneficial ownership22 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

APOLLO OVERSEAS PARTNERS V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO INVESTMENT FUND V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO ADVISORS V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO MANAGEMENT V LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO NETHERLANDS PARTNERS V A LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO NETHERLANDS PARTNERS V B LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

APOLLO GERMAN PARTNERS V GMBH & CO KG(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

ASEN JOEL A(5)

Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 4Statement of changes in beneficial ownership11 May 2004
Form 4Statement of changes in beneficial ownership19 Mar 2004
Form 4Statement of changes in beneficial ownership23 Jan 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

YBR HOLDINGS LLC(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

YBR NETHERLANDS I LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

YBR NETHERLANDS II LP(5)

Form 4Statement of changes in beneficial ownership24 Nov 2004
Form 4/AStatement of changes in beneficial ownership (amendment)24 Nov 2004
Form 4Statement of changes in beneficial ownership15 Jul 2004
Form 4Statement of changes in beneficial ownership17 Dec 2003
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

Espelien Keith E.(5)

Form 4Statement of changes in beneficial ownership13 Mar 2015
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership8 Jul 2014
Form 4Statement of changes in beneficial ownership12 Mar 2014
Form 3Initial statement of beneficial ownership6 Jun 2013

Foulston Matthew J.(5)

Form 4Statement of changes in beneficial ownership5 Apr 2016
Form 4Statement of changes in beneficial ownership4 Mar 2016
Form 4Statement of changes in beneficial ownership12 Mar 2015
Form 4Statement of changes in beneficial ownership4 Dec 2014
Form 3Initial statement of beneficial ownership4 Dec 2014

Jones Angela Y(5)

Form 4Statement of changes in beneficial ownership15 Jan 2020
Form 4Statement of changes in beneficial ownership3 Apr 2019
Form 4Statement of changes in beneficial ownership4 Jan 2019
Form 3/AInitial statement of beneficial ownership (amendment)21 Sep 2018
Form 3Initial statement of beneficial ownership18 Sep 2018

HARRIS JOSHUA(4)

Form 4MAIN DOCUMENT DESCRIPTION6 Jul 2005
Form 4MAIN DOCUMENT DESCRIPTION28 Jun 2005
Form 4Statement of changes in beneficial ownership28 Apr 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

WOLF STEVEN(4)

Form 4Statement of changes in beneficial ownership8 Mar 2005
Form 4Statement of changes in beneficial ownership11 May 2004
Form 4STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003
Form 3Initial statement of beneficial ownership12 Dec 2003

Hood Jennifer R.(4)

Form 4Statement of changes in beneficial ownership3 Mar 2025
Form 4Statement of changes in beneficial ownership17 Oct 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 3Initial statement of beneficial ownership14 Mar 2024

Fjellman Peter(4)

Form 4Statement of changes in beneficial ownership29 Jan
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership5 Feb 2025
Form 3Initial statement of beneficial ownership5 Feb 2025

Merrin Patrick James(4)

Form 4Statement of changes in beneficial ownership4 Mar
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 3Initial statement of beneficial ownership5 Mar 2025
Form 4Statement of changes in beneficial ownership5 Mar 2025

Tills Amy(4)

Form 4Statement of changes in beneficial ownership15 Sep
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership9 Oct 2025
Form 3Initial statement of beneficial ownership9 Oct 2025

KLEINMAN SCOTT(3)

Form 4Statement of changes in beneficial ownership17 Mar 2004
Form 4Statement of changes in beneficial ownership25 Feb 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

Ball Russell David(3)

Form 4Statement of changes in beneficial ownership9 Mar
Form 3Initial statement of beneficial ownership5 Jan
Form 4Statement of changes in beneficial ownership5 Jan

Kinnune Shelly(3)

Form 4Statement of changes in beneficial ownership13 Mar 2013
Form 3Initial statement of beneficial ownership9 May 2012
Form 4Statement of changes in beneficial ownership9 May 2012

Merle Denise M(3)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership26 Jan
Form 3Initial statement of beneficial ownership26 Jan

Roberts Mark Lawrence(3)

Form 4Statement of changes in beneficial ownership9 Mar
Form 4Statement of changes in beneficial ownership29 Jan
Form 3Initial statement of beneficial ownership29 Jan

KOCH INDUSTRIES INC(2)

Form 4Statement of changes in beneficial ownership2 Aug 2024
Form 3Initial statement of beneficial ownership21 Oct 2022

COPSES PETER P(2)

Form 4Statement of changes in beneficial ownership17 May 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

FALK ROBERT H(2)

Form 4Statement of changes in beneficial ownership27 May 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES12 Dec 2003

CLARK ROBERT F(2)

Form 4Statement of changes in beneficial ownership17 May 2004
Form 3INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES17 Dec 2003

Linehan Patrick Douglas(2)

Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 3Initial statement of beneficial ownership5 Apr 2017

Craft John David(2)

Form 4Statement of changes in beneficial ownership5 Apr 2017
Form 3Initial statement of beneficial ownership14 Nov 2016

Dunn B. Gordon(2)

Form 4Statement of changes in beneficial ownership21 May 2024
Form 3Initial statement of beneficial ownership5 Mar 2024

Risner Brandon(2)

Form 4Statement of changes in beneficial ownership19 Oct
Form 3Initial statement of beneficial ownership13 Aug

KM&T Investment Holdings, LLC(1)

Form 3Initial statement of beneficial ownership21 Oct 2022

Chisholm Jon A(1)

Form 3Initial statement of beneficial ownership23 Nov 2022

Wagnon Shane T(1)

Form 3Initial statement of beneficial ownership23 Nov 2022

Holtzman Vance O.(1)

Form 3Initial statement of beneficial ownership12 Mar 2024

Koch, Inc.(1)

Form 3Initial statement of beneficial ownership2 Aug 2024

≥5% Ownership

VANGUARD GROUP INC(19)

SC 13G/ACompass Minerals International Inc26 Mar
SC 13G/ACompass Minerals International Inc30 Oct 2025
SC 13G/ACompass Minerals International Inc30 Jan 2025
SC 13G/ACompass Minerals International Inc12 Nov 2024
SC 13G/ACompass Minerals International Inc4 Nov 2024
SC 13G/ACompass Minerals International Inc13 Feb 2024
SC 13G/ACompass Minerals International Inc10 Apr 2023
SC 13G/ACompass Minerals International Inc9 Feb 2023
SC 13G/ACompass Minerals International Inc9 Feb 2022
SC 13G/ACompass Minerals International Inc10 Jun 2021

BlackRock Inc.(17)

SC 13G/ACompass Minerals International Inc22 Jan 2024
SC 13G/ACompass Minerals International Inc26 Jan 2023
SC 13G/ACompass Minerals International Inc20 Jan 2023
SC 13GCompass Minerals International Inc9 Jun 2022
SC 13G/ACompass Minerals International Inc28 Jan 2022
SC 13G/ACompass Minerals International Inc27 Jan 2021
SC 13G/ACompass Minerals International Inc4 Feb 2020
SC 13G/ACompass Minerals International Inc24 Jan 2019
SC 13G/ACompass Minerals International Inc19 Jan 2018
SC 13G/ACompass Minerals International Inc10 Jul 2017

FMR LLC(14)

SC 13G/ACompass Minerals International Inc13 Feb 2018
SC 13G/ACompass Minerals International Inc12 Jun 2017
SC 13G/ACompass Minerals International Inc14 Feb 2017
SC 13GCompass Minerals International Inc12 Feb 2016
SC 13G/ACompass Minerals International Inc10 Feb 2016
SC 13G/ACompass Minerals International Inc14 Feb 2012
SC 13G/ACompass Minerals International Inc14 Feb 2011
SC 13GCompass Minerals International Inc11 Jan 2010
SC 13G/ACompass Minerals International Inc12 Jan 2009
SC 13G/ACompass Minerals International Inc14 Feb 2008

STATE STREET CORP(10)

SC 13GCompass Minerals International Inc12 May
SC 13GCompass Minerals International Inc9 Feb
SC 13GCompass Minerals International Inc10 Nov 2025
SC 13G/ACompass Minerals International Inc17 Oct 2024
SC 13G/ACompass Minerals International Inc25 Jan 2024
SC 13G/ACompass Minerals International Inc8 Feb 2023
SC 13G/ACompass Minerals International Inc10 Feb 2022
SC 13GCompass Minerals International Inc8 Feb 2021
SC 13GCompass Minerals International Inc14 Feb 2020
SC 13GCompass Minerals International Inc13 Feb 2019

Neuberger Berman Group LLC(9)

SC 13G/ACompass Minerals International Inc14 Feb 2017
SC 13G/ACompass Minerals International Inc9 Feb 2016
SC 13G/ACompass Minerals International Inc12 Feb 2015
SC 13G/ACompass Minerals International Inc12 Feb 2014
SC 13G/ACompass Minerals International Inc14 Feb 2013
SC 13G/ACompass Minerals International Inc14 Feb 2012
SC 13G/ACompass Minerals International Inc14 Feb 2011
SC 13G/ACompass Minerals International Inc16 Feb 2010
SC 13GCompass Minerals International Inc11 Jun 2009

NEUBERGER BERMAN INC(8)

SC 13G/ACompass Minerals International Inc12 Feb 2009
SC 13G/ACompass Minerals International Inc13 Feb 2008
SC 13G/ACompass Minerals International Inc13 Feb 2007
SC 13G/ACompass Minerals International Inc21 Feb 2006
SC 13G/ACompass Minerals International Inc15 Feb 2006
SC 13GCompass Minerals International Inc11 Oct 2005
SC 13G/ACompass Minerals International Inc9 Aug 2004
SC 13GCompass Minerals International Inc13 Feb 2004

RS INVESTMENT MANAGEMENT CO LLC(7)

SC 13G/ACompass Minerals International Inc10 Jul 2014
SC 13G/ACompass Minerals International Inc14 Feb 2014
SC 13G/ACompass Minerals International Inc15 Feb 2013
SC 13GCompass Minerals International Inc14 Feb 2013
SC 13G/ACompass Minerals International Inc9 Feb 2012
SC 13GCompass Minerals International Inc10 Aug 2011
SC 13GCompass Minerals International Inc9 Feb 2011

PARNASSUS INVESTMENTS /CA(6)

SC 13G/ACompass Minerals International Inc12 Feb 2018
SC 13G/ACompass Minerals International Inc14 Feb 2017
SC 13G/ACompass Minerals International Inc12 Feb 2016
SC 13G/ACompass Minerals International Inc12 Feb 2015
SC 13G/ACompass Minerals International Inc14 Feb 2014
SC 13GCompass Minerals International Inc8 Feb 2013

SHAPIRO CAPITAL MANAGEMENT LLC(5)

SC 13GCompass Minerals International Inc10 Jul 2020
SC 13GCompass Minerals International Inc8 May 2020
SC 13GCompass Minerals International Inc10 Mar 2020
SC 13GCompass Minerals International Inc14 Feb 2020
SC 13GCompass Minerals International Inc14 Feb 2019

BlackRock, Inc.(5)

SC 13G/ACompass Minerals International Inc27 Apr
SC 13G/ACompass Minerals International Inc17 Jul 2025
SC 13G/ACompass Minerals International Inc28 Apr 2025
SC 13G/ACompass Minerals International Inc8 Nov 2024
SC 13G/ACompass Minerals International Inc23 Oct 2024

PRICE T ROWE ASSOCIATES INC /MD/(4)

SC 13G/ACompass Minerals International Inc11 Feb 2015
SC 13G/ACompass Minerals International Inc12 Feb 2014
SC 13G/ACompass Minerals International Inc12 Feb 2013
SC 13GCompass Minerals International Inc14 Feb 2012

VAN ECK ASSOCIATES CORP(4)

SC 13G/ACompass Minerals International Inc6 Jul 2022
SC 13G/ACompass Minerals International Inc5 Apr 2022
SC 13G/ACompass Minerals International Inc4 Feb 2022
SC 13GCompass Minerals International Inc11 Feb 2021

WELLS FARGO & CO/MN(2)

SC 13G/ACompass Minerals International Inc9 Mar 2009
SC 13GCompass Minerals International Inc27 Jan 2009

OppenheimerFunds, Inc.(2)

SC 13G/ACompass Minerals International Inc18 Jan 2019
SC 13GCompass Minerals International Inc7 Feb 2018

JANUS CAPITAL MANAGEMENT LLC(2)

SC 13G/ACompass Minerals International Inc6 Feb 2018
SC 13GCompass Minerals International Inc13 Feb 2017

AMERIPRISE FINANCIAL INC(2)

SC 13GCompass Minerals International Inc15 Feb 2006
SC 13GCompass Minerals International Inc11 Feb 2005

CITIGROUP INC(2)

SC 13G/ACompass Minerals International Inc11 Oct 2005
SC 13GCompass Minerals International Inc11 Feb 2005

CHILTON INVESTMENT CO INC(2)

SC 13G/ACompass Minerals International Inc14 Feb 2005
SC 13GCompass Minerals International Inc10 Aug 2004

APOLLO MANAGEMENT V LP(2)

SC 13D/ACompass Minerals International Inc24 Nov 2004
SC 13D/ACompass Minerals International Inc15 Jul 2004

CHILTON INVESTMENT CO LLC(2)

SC 13G/ACompass Minerals International Inc14 Feb 2007
SC 13G/ACompass Minerals International Inc14 Feb 2006

Kidron Partners IV LP(2)

SC 13G/ACompass Minerals International Inc20 Feb 2009
SC 13GCompass Minerals International Inc20 Jan 2009

Capital Research Global Investors(2)

SC 13G/ACompass Minerals International Inc17 Feb 2009
SC 13GCompass Minerals International Inc12 Feb 2008

SailingStone Capital Partners LLC(2)

SC 13G/ACompass Minerals International Inc19 Sep 2024
SC 13GCompass Minerals International Inc16 Sep 2024

KM&T Investment Holdings, LLC(2)

SC 13D/ACompass Minerals International Inc2 Aug 2024
SC 13DCompass Minerals International Inc21 Oct 2022

Gumshoe Capital Management LLC(2)

SC 13G/ACompass Minerals International Inc14 Aug 2025
SC 13GCompass Minerals International Inc28 Apr 2025

AMERICAN CENTURY INVESTMENT MANAGEMENT INC(1)

SC 13GCompass Minerals International Inc14 Aug

APOLLO INVESTMENT FUND V LP(1)

SC 13DCompass Minerals International Inc23 Dec 2003

Allianz Global Investors Management Partners LLC(1)

SC 13GCompass Minerals International Inc12 Feb 2010

Allianz Global Investors Capital LLC(1)

SC 13G/ACompass Minerals International Inc14 Feb 2011

M Partners Fund LP(1)

SC 13GCompass Minerals International Inc18 Nov 2025