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Graham Holdings Co Class B(GHC US)

$1,244.05+31.012.56%Ext:$1,493.55+249.5020.06%(Market Closed ยท 00:56:55 UTC)
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Overview

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CategorizedChronologicalBy Owner

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Logo
  • Home
  • AI Agent
  • Annotations
  • Files
  • Pricing and plans
  • BlogAboutContact us
    APIMCP
    Terms of servicePrivacy policy
  • Get the full experience

    We save the real magic for signed-in users.

HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Graham Holdings Co Class B(GHC US)

$1,244.05+31.012.56%Ext:$1,493.55+249.5020.06%(Market Closed ยท 00:56:55 UTC)
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

Overview

ProfileEntity Structure

Documents

SEC Filings
CategorizedChronologicalBy Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
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SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

GRAHAM DONALD(152)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership18 Dec 2019
  • Form 4Statement of changes in beneficial ownership28 Dec 2018
  • Form 4Statement of changes in beneficial ownership6 Aug 2018
  • Form 4Statement of changes in beneficial ownership9 Apr 2018
  • Form 4Statement of changes in beneficial ownership19 Mar 2018
  • Form 4Statement of changes in beneficial ownership26 Jan 2018
  • Form 4Statement of changes in beneficial ownership31 Oct 2017
  • Form 4Statement of changes in beneficial ownership2 Oct 2017
  • Form 4Statement of changes in beneficial ownership1 Aug 2017

GRAHAM KATHARINE(62)

  • Form 4Statement of changes in beneficial ownership3 Jul 2001
  • Form 4Statement of changes in beneficial ownership6 Jun 2001
  • Form 4Statement of changes in beneficial ownership2 Apr 2001
  • Form 4Statement of changes in beneficial ownership5 Mar 2001
  • Form 4Statement of changes in beneficial ownership5 Mar 2001
  • Form 4Statement of changes in beneficial ownership8 Feb 2001
  • Form 4Statement of changes in beneficial ownership9 Jan 2001
  • Form 4Statement of changes in beneficial ownership7 Dec 2000
  • Form 4Statement of changes in beneficial ownership7 Nov 2000
  • Form 4Statement of changes in beneficial ownership4 Oct 2000

MCDANIEL ANN(27)

  • Form 4PRIMARY DOCUMENT4 Mar 2015
  • Form 4PRIMARY DOCUMENT17 Dec 2014
  • Form 4PRIMARY DOCUMENT20 May 2014
  • Form 4PRIMARY DOCUMENT12 Dec 2012
  • Form 4PRIMARY DOCUMENT17 Oct 2012
  • Form 4PRIMARY DOCUMENT16 Dec 2011
  • Form 4Statement of changes in beneficial ownership7 Jun 2011
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT23 Jan 2009
  • Form 4PRIMARY DOCUMENT5 Jan 2009

O'Shaughnessy Timothy J(26)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership28 May
  • Form 4Statement of changes in beneficial ownership13 Nov 2025
  • Form 4Statement of changes in beneficial ownership9 Oct 2025
  • Form 4Statement of changes in beneficial ownership30 Sep 2025
  • Form 4Statement of changes in beneficial ownership22 Aug 2025
  • Form 4Statement of changes in beneficial ownership5 Nov 2024
  • Form 4Statement of changes in beneficial ownership17 Oct 2024
  • Form 4Statement of changes in beneficial ownership25 Sep 2024
  • Form 4Statement of changes in beneficial ownership7 Jul 2023

MORSE JOHN B JR(23)

  • Form 5PRIMARY DOCUMENT13 Feb 2008
  • Form 4PRIMARY DOCUMENT24 Apr 2007
  • Form 4PRIMARY DOCUMENT4 Jan 2007
  • Form 4PRIMARY DOCUMENT27 Jun 2006
  • Form 5PRIMARY DOCUMENT31 Jan 2006
  • Form 4PRIMARY DOCUMENT2 Mar 2005
  • Form 4PRIMARY DOCUMENT3 Jan 2005
  • Form 4PRIMARY DOCUMENT15 Dec 2004
  • Form 4PRIMARY DOCUMENT8 Jun 2004
  • Form 4PRIMARY DOCUMENT14 Nov 2003

MULCAHY ANNE M(21)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

WAGONER G RICHARD JR(20)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

Weymouth Katharine(20)

  • Form 4Statement of changes in beneficial ownership28 May
  • Form 4Statement of changes in beneficial ownership29 Dec 2025
  • Form 4Statement of changes in beneficial ownership14 Nov 2024
  • Form 4Statement of changes in beneficial ownership15 Mar 2024
  • Form 4Statement of changes in beneficial ownership26 Aug 2020
  • Form 4PRIMARY DOCUMENT11 Oct 2018
  • Form 4PRIMARY DOCUMENT25 Sep 2018
  • Form 4PRIMARY DOCUMENT9 Jul 2018
  • Form 4PRIMARY DOCUMENT14 May 2018
  • Form 4PRIMARY DOCUMENT18 Dec 2017

Davis Christopher C(19)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

Rosen Andrew Stephen(19)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership23 Dec 2021
  • Form 4Statement of changes in beneficial ownership5 Jan 2021
  • Form 4Statement of changes in beneficial ownership23 Dec 2020
  • Form 4Statement of changes in beneficial ownership14 Dec 2020
  • Form 4Statement of changes in beneficial ownership9 Dec 2020
  • Form 4Statement of changes in beneficial ownership7 Dec 2020
  • Form 4Statement of changes in beneficial ownership3 Dec 2020
  • Form 4Statement of changes in beneficial ownership25 Nov 2020

CONLEY DANIELLE Y.(19)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

KEIL BEVERLY(17)

  • Form 4Statement of changes in beneficial ownership8 Mar 2001
  • Form 4Statement of changes in beneficial ownership11 Jan 2001
  • Form 4Statement of changes in beneficial ownership10 Jan 2000
  • Form 4Statement of changes in beneficial ownership7 May 1999
  • Form 4Statement of changes in beneficial ownership8 Apr 1999
  • Form 4Statement of changes in beneficial ownership7 Jan 1999
  • Form 4Statement of changes in beneficial ownership9 Jan 1998
  • Form 4/AStatement of changes in beneficial ownership (amendment)17 Apr 1997
  • Form 4Statement of changes in beneficial ownership18 Apr 1997
  • Form 4Statement of changes in beneficial ownership28 Jan 1997

Cooney Wallace R.(17)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership5 Jan 2021
  • Form 4PRIMARY DOCUMENT4 Jan 2019
  • Form 4PRIMARY DOCUMENT3 Apr 2017
  • Form 4PRIMARY DOCUMENT13 Jan 2017
  • Form 4Statement of changes in beneficial ownership5 Jan 2017
  • Form 4PRIMARY DOCUMENT29 Jan 2015
  • Form 4PRIMARY DOCUMENT5 Jan 2015
  • Form 4PRIMARY DOCUMENT11 Dec 2014

DANIELS DIANA M(16)

  • Form 4PRIMARY DOCUMENT29 Aug 2006
  • Form 4/APRIMARY DOCUMENT29 Aug 2006
  • Form 4PRIMARY DOCUMENT3 Jan 2005
  • Form 4PRIMARY DOCUMENT14 Nov 2003
  • Form 4Statement of changes in beneficial ownership2 Jan 2003
  • Form 4Statement of changes in beneficial ownership26 Aug 2002
  • Form 4Statement of changes in beneficial ownership3 Jun 2002
  • Form 4Statement of changes in beneficial ownership10 May 2002
  • Form 5Annual statement of beneficial ownership11 Jan 2002
  • Form 4Statement of changes in beneficial ownership11 Jan 2001

ROSBERG GERALD M(16)

  • Form 4PRIMARY DOCUMENT5 Jan 2015
  • Form 4/APRIMARY DOCUMENT14 Dec 2012
  • Form 4PRIMARY DOCUMENT11 Dec 2012
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4/APRIMARY DOCUMENT26 Oct 2010
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 4PRIMARY DOCUMENT17 Dec 2008
  • Form 4PRIMARY DOCUMENT8 May 2008
  • Form 4PRIMARY DOCUMENT27 Feb 2008
  • Form 4PRIMARY DOCUMENT4 Jan 2007

Maas, Jacob(16)

  • Form 4Statement of changes in beneficial ownership31 Aug
  • Form 4Statement of changes in beneficial ownership21 Jan
  • Form 4Statement of changes in beneficial ownership22 Oct 2025
  • Form 4Statement of changes in beneficial ownership21 Aug 2025
  • Form 4Statement of changes in beneficial ownership29 Jan 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership8 Nov 2024
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership21 Jan 2022
  • Form 4/AStatement of changes in beneficial ownership (amendment)24 Jan 2022

COHEN MARTIN(14)

  • Form 4Statement of changes in beneficial ownership8 May 1998
  • Form 4Statement of changes in beneficial ownership8 Apr 1998
  • Form 4Statement of changes in beneficial ownership10 Mar 1998
  • Form 4Statement of changes in beneficial ownership5 Feb 1998
  • Form 4Statement of changes in beneficial ownership9 Jan 1998
  • Form 4Statement of changes in beneficial ownership5 Nov 1997
  • Form 4Statement of changes in beneficial ownership9 May 1997
  • Form 4Statement of changes in beneficial ownership2 Apr 1997
  • Form 4Statement of changes in beneficial ownership2 Apr 1997
  • Form 5Annual statement of beneficial ownership8 Jan 1997

Markell Jack A.(11)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership2 Dec 2021
  • Form 4PRIMARY DOCUMENT18 Mar 2020
  • Form 4PRIMARY DOCUMENT27 Feb 2020

O'Shaughnessy Laura(10)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership28 May
  • Form 4Statement of changes in beneficial ownership13 Nov 2025
  • Form 4Statement of changes in beneficial ownership9 Oct 2025
  • Form 4Statement of changes in beneficial ownership30 Sep 2025
  • Form 4Statement of changes in beneficial ownership22 Aug 2025
  • Form 4Statement of changes in beneficial ownership5 Nov 2024
  • Form 4Statement of changes in beneficial ownership17 Oct 2024
  • Form 4Statement of changes in beneficial ownership25 Sep 2024
  • Form 3Initial statement of beneficial ownership5 Sep 2024

SPOON ALAN G(9)

  • Form 4Statement of changes in beneficial ownership10 Jan 2000
  • Form 4Statement of changes in beneficial ownership10 Dec 1999
  • Form 4Statement of changes in beneficial ownership10 Jan 2000
  • Form 4Statement of changes in beneficial ownership8 Jun 1999
  • Form 4Statement of changes in beneficial ownership7 Jan 1999
  • Form 4Statement of changes in beneficial ownership5 Oct 1998
  • Form 4Statement of changes in beneficial ownership9 Jan 1998
  • Form 4Statement of changes in beneficial ownership28 Jan 1997
  • Form 4Statement of changes in beneficial ownership16 Apr 1997

Allen Tony(9)

  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4Statement of changes in beneficial ownership9 Nov 2023
  • Form 4Statement of changes in beneficial ownership3 Oct 2023
  • Form 4Statement of changes in beneficial ownership6 Jul 2023
  • Form 4Statement of changes in beneficial ownership4 Apr 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Oct 2022
  • Form 4Statement of changes in beneficial ownership5 Jul 2022
  • Form 3Initial statement of beneficial ownership1 Mar 2021

Jones Hal(8)

  • Form 4PRIMARY DOCUMENT5 Jan 2015
  • Form 4PRIMARY DOCUMENT15 Dec 2014
  • Form 4/APRIMARY DOCUMENT14 Dec 2012
  • Form 4PRIMARY DOCUMENT11 Dec 2012
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT13 Dec 2010
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 3PRIMARY DOCUMENT5 Jan 2009

Snyman Marcel A.(8)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership9 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership5 Nov 2021
  • Form 4Statement of changes in beneficial ownership6 Jan 2021
  • Form 4/APRIMARY DOCUMENT4 Jan 2019
  • Form 3PRIMARY DOCUMENT22 Jan 2018
  • Form 4PRIMARY DOCUMENT4 Jan 2019

GAYNER THOMAS SINNICKSON(7)

  • Form 4Statement of changes in beneficial ownership13 Sep 2024
  • Form 4Statement of changes in beneficial ownership9 Nov 2023
  • Form 4Statement of changes in beneficial ownership12 Sep 2023
  • Form 4Statement of changes in beneficial ownership9 May 2023
  • Form 4Statement of changes in beneficial ownership16 Sep 2022
  • Form 4Statement of changes in beneficial ownership11 Nov 2021
  • Form 3PRIMARY DOCUMENT19 Jan 2007

Dillon Veronica(7)

  • Form 4PRIMARY DOCUMENT22 Dec 2014
  • Form 4PRIMARY DOCUMENT10 Jul 2014
  • Form 4PRIMARY DOCUMENT12 Dec 2012
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 4PRIMARY DOCUMENT17 Dec 2008
  • Form 3PRIMARY DOCUMENT4 Jan 2007

Maddrey Nicole Marie(6)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership5 Jan 2021
  • Form 4PRIMARY DOCUMENT4 Jan 2019
  • Form 4PRIMARY DOCUMENT5 Jan 2017
  • Form 3PRIMARY DOCUMENT3 Apr 2015

GILLESPIE GEORGE J III(5)

  • Form 4Statement of changes in beneficial ownership8 Aug 2001
  • Form 5Annual statement of beneficial ownership9 Feb 2001
  • Form 5Annual statement of beneficial ownership9 Feb 2001
  • Form 4Statement of changes in beneficial ownership11 Jan 2000
  • Form 4Statement of changes in beneficial ownership10 Feb 2000

Graham Holdings Co(4)

  • Form 3OWNERSHIP DOCUMENT2 Nov 2015
  • Form 4Statement of changes in beneficial ownership1 Jul 2015
  • Form 3Initial statement of beneficial ownership5 Jun 2015
  • Form 3Initial statement of beneficial ownership6 Jul 2000

Jones Boisfeuillet JR(4)

  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT5 Mar 2010
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 3PRIMARY DOCUMENT10 Apr 2008

Stonesifer Sandra M.(4)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership11 Feb 2022
  • Form 3Initial statement of beneficial ownership19 Jan 2021

OLSON RONALD L(3)

  • Form 4RLO SALE OF WPO SHARES 12-31-20103 Jan 2011
  • Form 4PRIMARY DOCUMENT20 Jan 2005
  • Form 3PRIMARY DOCUMENT11 Sep 2003

Bollinger Lee C(3)

  • Form 4Statement of changes in beneficial ownership27 Aug 2020
  • Form 4Statement of changes in beneficial ownership6 Jul 2020
  • Form 3PRIMARY DOCUMENT15 May 2007

Demeter Denise M(3)

  • Form 4PRIMARY DOCUMENT4 Jan 2019
  • Form 4Statement of changes in beneficial ownership5 Jan 2017
  • Form 3PRIMARY DOCUMENT25 Feb 2016

DILLER BARRY(2)

  • Form 4PRIMARY DOCUMENT16 Nov 2011
  • Form 3Initial statement of beneficial ownership21 Sep 2000

PREISKEL BARBARA(2)

  • Form 4Statement of changes in beneficial ownership6 Sep 1996
  • Form 4Statement of changes in beneficial ownership17 Apr 1997

SIMMONS RICHARD D(2)

  • Form 4Statement of changes in beneficial ownership2 Jun 1998
  • Form 4Statement of changes in beneficial ownership8 May 1998

RIVLIN ALICE MITCHELL(2)

  • Form 4PRIMARY DOCUMENT17 Nov 2004
  • Form 3Initial statement of beneficial ownership6 Sep 2002

GATES MELINDA FRENCH(2)

  • Form 4PRIMARY DOCUMENT8 Dec 2004
  • Form 3PRIMARY DOCUMENT9 Sep 2004

Thompson Larry D.(2)

  • Form 4PRIMARY DOCUMENT3 Jan 2012
  • Form 3Initial statement of beneficial ownership9 Jun 2011

Goldberg David Bruce(2)

  • Form 4Statement of changes in beneficial ownership13 May 2014
  • Form 3PRIMARY DOCUMENT14 Sep 2012

NATIONAL INDEMNITY CO(1)

  • Form 4Statement of changes in beneficial ownership2 Jul 2014

BUFFETT WARREN E(1)

  • Form 4Statement of changes in beneficial ownership2 Jul 2014

GOMORY RALPH E(1)

  • Form 4Statement of changes in beneficial ownership9 Sep 1997

WILSON GEORGE W(1)

  • Form 5PRIMARY DOCUMENT14 Feb 2005

BERKSHIRE HATHAWAY INC(1)

  • Form 4Statement of changes in beneficial ownership2 Jul 2014

DOTSON JOHN L JR(1)

  • Form 3Initial statement of beneficial ownership20 Dec 2001

MYLOD ROBERT J JR(1)

  • Form 3Initial statement of beneficial ownership6 Nov

Shelton James H(1)

  • Form 3PRIMARY DOCUMENT13 Nov 2015

โ‰ฅ5% Ownership

SOUTHEASTERN ASSET MANAGEMENT INC/TN/(21)

  • SC 13G/AGraham Holdings Co14 Feb 2023
  • SC 13G/AGraham Holdings Co14 Feb 2022
  • SC 13G/AGraham Holdings Co11 Jan 2021
  • SC 13G/AGraham Holdings Co14 Feb 2020
  • SC 13G/AGraham Holdings Co14 Feb 2019
  • SC 13G/AGraham Holdings Co13 Feb 2018
  • SC 13G/AGraham Holdings Co14 Feb 2017
  • SC 13G/AGraham Holdings Co12 Feb 2016
  • SC 13G/AGraham Holdings Co13 Feb 2015
  • SC 13G/AGraham Holdings Co10 Nov 2014

GRAHAM DONALD(19)

  • SC 13D/AGraham Holdings Co5 Sep 2024
  • SC 13D/AGraham Holdings Co18 Dec 2019
  • SC 13D/AGraham Holdings Co19 Mar 2018
  • SC 13D/AGraham Holdings Co13 Nov 2015
  • SC 13D/AGraham Holdings Co2 Jul 2015
  • SC 13D/AGraham Holdings Co12 Jun 2015
  • SC 13D/AGraham Holdings Co4 Mar 2015
  • SC 13D/AGraham Holdings Co2 Jul 2014
  • SC 13D/AWashington Post Co26 Jul 2013
  • SC 13D/AWashington Post Co17 Jun 2011

Graham Holdings Co(15)

  • SC 13G/APubMatic, Inc.15 May
  • SC 13G/APubMatic, Inc.14 May 2025
  • SC 13GPubMatic, Inc.20 Aug 2024
  • SC 13GColumbus Mckinnon Corp1 Feb 2016
  • SC 13DSmartPros Ltd.2 Nov 2015
  • SC 13D/ACorinthian Colleges Inc19 Mar 2014
  • SC 13D/ACorinthian Colleges Inc12 Mar 2014
  • SC 13D/ACorinthian Colleges Inc30 Apr 2013
  • SC 13DCorinthian Colleges Inc15 Feb 2008
  • SC 13DCorinthian Colleges Inc15 Feb 2008

VANGUARD GROUP INC(13)

  • SC 13G/AGraham Holdings Co27 Mar
  • SC 13G/AGraham Holdings Co11 Mar 2024
  • SC 13G/AGraham Holdings Co13 Feb 2024
  • SC 13G/AGraham Holdings Co11 Sep 2023
  • SC 13G/AGraham Holdings Co9 Feb 2023
  • SC 13G/AGraham Holdings Co10 Feb 2022
  • SC 13G/AGraham Holdings Co10 Feb 2021
  • SC 13G/AGraham Holdings Co12 Feb 2020
  • SC 13G/AGraham Holdings Co11 Feb 2019
  • SC 13G/AGraham Holdings Co9 Feb 2018

BlackRock Inc.(13)

  • SC 13G/AGraham Holdings Co23 Jan 2024
  • SC 13G/AGraham Holdings Co26 Jan 2023
  • SC 13G/AGraham Holdings Co20 Jan 2023
  • SC 13G/AGraham Holdings Co27 Jan 2022
  • SC 13G/AGraham Holdings Co25 Jan 2022
  • SC 13G/AGraham Holdings Co12 Jul 2021
  • SC 13G/AGraham Holdings Co29 Jan 2021
  • SC 13G/AGraham Holdings Co5 Feb 2020
  • SC 13G/AGraham Holdings Co4 Feb 2019
  • SC 13G/AGraham Holdings Co25 Jan 2018

J P MORGAN CHASE & CO(9)

  • SC 13G/AWashington Post Co15 Jan 2009
  • SC 13G/AWashington Post Co29 Jan 2008
  • SC 13G/AWashington Post Co6 Feb 2007
  • SC 13G/AWashington Post Co10 Feb 2006
  • SC 13G/AWashington Post Co10 Feb 2005
  • SC 13G/AWashington Post Co12 Feb 2004
  • SC 13G/AWashington Post Co14 Feb 2003
  • SC 13G/AWashington Post Co13 Feb 2002
  • SC 13G/AWashington Post Co12 Feb 2001

MORGAN J P & CO INC(8)

  • SC 13G/AWashington Post Co9 Mar 2000
  • SC 13G/AWashington Post Co15 Feb 2000
  • SC 13G/AWashington Post Co24 Feb 1999
  • SC 13G/AWashington Post Co23 Feb 1999
  • SC 13G/AWashington Post Co23 Feb 1999
  • SC 13G/AWashington Post Co13 Feb 1998
  • SC 13G/AWashington Post Co31 Jan 1997
  • SC 13G/AWashington Post Co15 Feb 1996

DIMENSIONAL FUND ADVISORS LP(8)

  • SC 13G/AGraham Holdings Co21 Jan
  • SC 13G/AGraham Holdings Co9 Feb 2024
  • SC 13G/AGraham Holdings Co10 Feb 2023
  • SC 13G/AGraham Holdings Co8 Feb 2022
  • SC 13G/AGraham Holdings Co12 Feb 2021
  • SC 13G/AGraham Holdings Co12 Feb 2020
  • SC 13G/AGraham Holdings Co8 Feb 2019
  • SC 13GGraham Holdings Co9 Feb 2018

FRANKLIN MUTUAL ADVISERS LLC(7)

  • SC 13G/AWashington Post Co31 Jan 2007
  • SC 13G/AWashington Post Co7 Feb 2006
  • SC 13G/AWashington Post Co14 Feb 2005
  • SC 13G/AWashington Post Co9 Feb 2004
  • SC 13G/AWashington Post Co30 Jan 2003
  • SC 13G/AWashington Post Co13 Feb 2002
  • SC 13GWashington Post Co24 Jan 2001

International Value Advisers, LLC(5)

  • SC 13G/AGraham Holdings Co13 Feb 2015
  • SC 13G/AGraham Holdings Co14 Feb 2014
  • SC 13G/AWashington Post Co13 Feb 2013
  • SC 13G/AWashington Post Co14 Feb 2012
  • SC 13GWashington Post Co14 Feb 2011

BERKSHIRE HATHAWAY INC(4)

  • SC 13D/AGraham Holdings Co1 Jul 2014
  • SC 13D/AGraham Holdings Co14 Apr 2014
  • SC 13D/AGraham Holdings Co12 Mar 2014
  • SC 13D/AGraham Holdings Co12 Feb 2014

HARRIS ASSOCIATES L P(3)

  • SC 13G/AWashington Post Co12 Feb 2009
  • SC 13G/AWashington Post Co13 Feb 2008
  • SC 13GWashington Post Co14 Feb 2007

SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC/ DE(3)

  • SC 13GGraham Holdings Co10 Feb 2017
  • SC 13G/AGraham Holdings Co10 Feb 2016
  • SC 13GGraham Holdings Co13 Feb 2015

O'Shaughnessy Laura(3)

  • SC 13D/AGraham Holdings Co2 Nov
  • SC 13DGraham Holdings Co5 Sep 2024
  • SC 13GGraham Holdings Co10 May 2024

MANNING & NAPIER ADVISORS LLC(2)

  • SC 13G/AWashington Post Co27 Jan 2012
  • SC 13GWashington Post Co11 Feb 2011

FIDUCIARY MANAGEMENT INC /WI/(2)

  • SC 13GGraham Holdings Co11 Feb 2020
  • SC 13GGraham Holdings Co14 Feb 2019

VAN ECK ASSOCIATES CORP(2)

  • SC 13G/AGraham Holdings Co7 Apr 2017
  • SC 13GGraham Holdings Co7 Apr 2017

SELECT EQUITY GROUP INC(2)

  • SC 13G/AWashington Post Co15 Feb 2006
  • SC 13GWashington Post Co17 May 2005

Capital Research Global Investors(2)

  • SC 13G/AGraham Holdings Co13 Feb 2017
  • SC 13GGraham Holdings Co16 Feb 2016

O'Shaughnessy Timothy J(2)

  • SC 13D/AGraham Holdings Co28 Feb 2025
  • SC 13DGraham Holdings Co10 May 2024

Madison Avenue Partners, LP(2)

  • SC 13GGraham Holdings Co14 Aug
  • SC 13GGraham Holdings Co30 May 2024

Weymouth Elizabeth G.(2)

  • SC 13G/AGraham Holdings Co13 Nov 2025
  • SC 13GGraham Holdings Co13 May 2024

GRAHAM KATHARINE(1)

  • SC 13DWashington Post Co3 Apr 2001

BlackRock, Inc.(1)

  • SC 13G/AGraham Holdings Co29 Apr 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GGraham Holdings Co30 Apr

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

  • SC 13GGraham Holdings Co29 Apr

Insider Ownership

GRAHAM DONALD(152)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership18 Dec 2019
  • Form 4Statement of changes in beneficial ownership28 Dec 2018
  • Form 4Statement of changes in beneficial ownership6 Aug 2018
  • Form 4Statement of changes in beneficial ownership9 Apr 2018
  • Form 4Statement of changes in beneficial ownership19 Mar 2018
  • Form 4Statement of changes in beneficial ownership26 Jan 2018
  • Form 4Statement of changes in beneficial ownership31 Oct 2017
  • Form 4Statement of changes in beneficial ownership2 Oct 2017
  • Form 4Statement of changes in beneficial ownership1 Aug 2017

GRAHAM KATHARINE(62)

  • Form 4Statement of changes in beneficial ownership3 Jul 2001
  • Form 4Statement of changes in beneficial ownership6 Jun 2001
  • Form 4Statement of changes in beneficial ownership2 Apr 2001
  • Form 4Statement of changes in beneficial ownership5 Mar 2001
  • Form 4Statement of changes in beneficial ownership5 Mar 2001
  • Form 4Statement of changes in beneficial ownership8 Feb 2001
  • Form 4Statement of changes in beneficial ownership9 Jan 2001
  • Form 4Statement of changes in beneficial ownership7 Dec 2000
  • Form 4Statement of changes in beneficial ownership7 Nov 2000
  • Form 4Statement of changes in beneficial ownership4 Oct 2000

MCDANIEL ANN(27)

  • Form 4PRIMARY DOCUMENT4 Mar 2015
  • Form 4PRIMARY DOCUMENT17 Dec 2014
  • Form 4PRIMARY DOCUMENT20 May 2014
  • Form 4PRIMARY DOCUMENT12 Dec 2012
  • Form 4PRIMARY DOCUMENT17 Oct 2012
  • Form 4PRIMARY DOCUMENT16 Dec 2011
  • Form 4Statement of changes in beneficial ownership7 Jun 2011
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT23 Jan 2009
  • Form 4PRIMARY DOCUMENT5 Jan 2009

O'Shaughnessy Timothy J(26)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership28 May
  • Form 4Statement of changes in beneficial ownership13 Nov 2025
  • Form 4Statement of changes in beneficial ownership9 Oct 2025
  • Form 4Statement of changes in beneficial ownership30 Sep 2025
  • Form 4Statement of changes in beneficial ownership22 Aug 2025
  • Form 4Statement of changes in beneficial ownership5 Nov 2024
  • Form 4Statement of changes in beneficial ownership17 Oct 2024
  • Form 4Statement of changes in beneficial ownership25 Sep 2024
  • Form 4Statement of changes in beneficial ownership7 Jul 2023

MORSE JOHN B JR(23)

  • Form 5PRIMARY DOCUMENT13 Feb 2008
  • Form 4PRIMARY DOCUMENT24 Apr 2007
  • Form 4PRIMARY DOCUMENT4 Jan 2007
  • Form 4PRIMARY DOCUMENT27 Jun 2006
  • Form 5PRIMARY DOCUMENT31 Jan 2006
  • Form 4PRIMARY DOCUMENT2 Mar 2005
  • Form 4PRIMARY DOCUMENT3 Jan 2005
  • Form 4PRIMARY DOCUMENT15 Dec 2004
  • Form 4PRIMARY DOCUMENT8 Jun 2004
  • Form 4PRIMARY DOCUMENT14 Nov 2003

MULCAHY ANNE M(21)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

WAGONER G RICHARD JR(20)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

Weymouth Katharine(20)

  • Form 4Statement of changes in beneficial ownership28 May
  • Form 4Statement of changes in beneficial ownership29 Dec 2025
  • Form 4Statement of changes in beneficial ownership14 Nov 2024
  • Form 4Statement of changes in beneficial ownership15 Mar 2024
  • Form 4Statement of changes in beneficial ownership26 Aug 2020
  • Form 4PRIMARY DOCUMENT11 Oct 2018
  • Form 4PRIMARY DOCUMENT25 Sep 2018
  • Form 4PRIMARY DOCUMENT9 Jul 2018
  • Form 4PRIMARY DOCUMENT14 May 2018
  • Form 4PRIMARY DOCUMENT18 Dec 2017

Davis Christopher C(19)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

Rosen Andrew Stephen(19)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership23 Dec 2021
  • Form 4Statement of changes in beneficial ownership5 Jan 2021
  • Form 4Statement of changes in beneficial ownership23 Dec 2020
  • Form 4Statement of changes in beneficial ownership14 Dec 2020
  • Form 4Statement of changes in beneficial ownership9 Dec 2020
  • Form 4Statement of changes in beneficial ownership7 Dec 2020
  • Form 4Statement of changes in beneficial ownership3 Dec 2020
  • Form 4Statement of changes in beneficial ownership25 Nov 2020

CONLEY DANIELLE Y.(19)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership2 Oct 2024
  • Form 4Statement of changes in beneficial ownership2 Jul 2024

KEIL BEVERLY(17)

  • Form 4Statement of changes in beneficial ownership8 Mar 2001
  • Form 4Statement of changes in beneficial ownership11 Jan 2001
  • Form 4Statement of changes in beneficial ownership10 Jan 2000
  • Form 4Statement of changes in beneficial ownership7 May 1999
  • Form 4Statement of changes in beneficial ownership8 Apr 1999
  • Form 4Statement of changes in beneficial ownership7 Jan 1999
  • Form 4Statement of changes in beneficial ownership9 Jan 1998
  • Form 4/AStatement of changes in beneficial ownership (amendment)17 Apr 1997
  • Form 4Statement of changes in beneficial ownership18 Apr 1997
  • Form 4Statement of changes in beneficial ownership28 Jan 1997

Cooney Wallace R.(17)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership5 Jan 2021
  • Form 4PRIMARY DOCUMENT4 Jan 2019
  • Form 4PRIMARY DOCUMENT3 Apr 2017
  • Form 4PRIMARY DOCUMENT13 Jan 2017
  • Form 4Statement of changes in beneficial ownership5 Jan 2017
  • Form 4PRIMARY DOCUMENT29 Jan 2015
  • Form 4PRIMARY DOCUMENT5 Jan 2015
  • Form 4PRIMARY DOCUMENT11 Dec 2014

DANIELS DIANA M(16)

  • Form 4PRIMARY DOCUMENT29 Aug 2006
  • Form 4/APRIMARY DOCUMENT29 Aug 2006
  • Form 4PRIMARY DOCUMENT3 Jan 2005
  • Form 4PRIMARY DOCUMENT14 Nov 2003
  • Form 4Statement of changes in beneficial ownership2 Jan 2003
  • Form 4Statement of changes in beneficial ownership26 Aug 2002
  • Form 4Statement of changes in beneficial ownership3 Jun 2002
  • Form 4Statement of changes in beneficial ownership10 May 2002
  • Form 5Annual statement of beneficial ownership11 Jan 2002
  • Form 4Statement of changes in beneficial ownership11 Jan 2001

ROSBERG GERALD M(16)

  • Form 4PRIMARY DOCUMENT5 Jan 2015
  • Form 4/APRIMARY DOCUMENT14 Dec 2012
  • Form 4PRIMARY DOCUMENT11 Dec 2012
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4/APRIMARY DOCUMENT26 Oct 2010
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 4PRIMARY DOCUMENT17 Dec 2008
  • Form 4PRIMARY DOCUMENT8 May 2008
  • Form 4PRIMARY DOCUMENT27 Feb 2008
  • Form 4PRIMARY DOCUMENT4 Jan 2007

Maas, Jacob(16)

  • Form 4Statement of changes in beneficial ownership31 Aug
  • Form 4Statement of changes in beneficial ownership21 Jan
  • Form 4Statement of changes in beneficial ownership22 Oct 2025
  • Form 4Statement of changes in beneficial ownership21 Aug 2025
  • Form 4Statement of changes in beneficial ownership29 Jan 2025
  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership8 Nov 2024
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership21 Jan 2022
  • Form 4/AStatement of changes in beneficial ownership (amendment)24 Jan 2022

COHEN MARTIN(14)

  • Form 4Statement of changes in beneficial ownership8 May 1998
  • Form 4Statement of changes in beneficial ownership8 Apr 1998
  • Form 4Statement of changes in beneficial ownership10 Mar 1998
  • Form 4Statement of changes in beneficial ownership5 Feb 1998
  • Form 4Statement of changes in beneficial ownership9 Jan 1998
  • Form 4Statement of changes in beneficial ownership5 Nov 1997
  • Form 4Statement of changes in beneficial ownership9 May 1997
  • Form 4Statement of changes in beneficial ownership2 Apr 1997
  • Form 4Statement of changes in beneficial ownership2 Apr 1997
  • Form 5Annual statement of beneficial ownership8 Jan 1997

Markell Jack A.(11)

  • Form 4Statement of changes in beneficial ownership2 Oct
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership5 Jan
  • Form 4Statement of changes in beneficial ownership2 Oct 2025
  • Form 4Statement of changes in beneficial ownership2 Jul 2025
  • Form 4Statement of changes in beneficial ownership3 Apr 2025
  • Form 4Statement of changes in beneficial ownership2 Dec 2021
  • Form 4PRIMARY DOCUMENT18 Mar 2020
  • Form 4PRIMARY DOCUMENT27 Feb 2020

O'Shaughnessy Laura(10)

  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership28 May
  • Form 4Statement of changes in beneficial ownership13 Nov 2025
  • Form 4Statement of changes in beneficial ownership9 Oct 2025
  • Form 4Statement of changes in beneficial ownership30 Sep 2025
  • Form 4Statement of changes in beneficial ownership22 Aug 2025
  • Form 4Statement of changes in beneficial ownership5 Nov 2024
  • Form 4Statement of changes in beneficial ownership17 Oct 2024
  • Form 4Statement of changes in beneficial ownership25 Sep 2024
  • Form 3Initial statement of beneficial ownership5 Sep 2024

SPOON ALAN G(9)

  • Form 4Statement of changes in beneficial ownership10 Jan 2000
  • Form 4Statement of changes in beneficial ownership10 Dec 1999
  • Form 4Statement of changes in beneficial ownership10 Jan 2000
  • Form 4Statement of changes in beneficial ownership8 Jun 1999
  • Form 4Statement of changes in beneficial ownership7 Jan 1999
  • Form 4Statement of changes in beneficial ownership5 Oct 1998
  • Form 4Statement of changes in beneficial ownership9 Jan 1998
  • Form 4Statement of changes in beneficial ownership28 Jan 1997
  • Form 4Statement of changes in beneficial ownership16 Apr 1997

Allen Tony(9)

  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4Statement of changes in beneficial ownership9 Nov 2023
  • Form 4Statement of changes in beneficial ownership3 Oct 2023
  • Form 4Statement of changes in beneficial ownership6 Jul 2023
  • Form 4Statement of changes in beneficial ownership4 Apr 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Oct 2022
  • Form 4Statement of changes in beneficial ownership5 Jul 2022
  • Form 3Initial statement of beneficial ownership1 Mar 2021

Jones Hal(8)

  • Form 4PRIMARY DOCUMENT5 Jan 2015
  • Form 4PRIMARY DOCUMENT15 Dec 2014
  • Form 4/APRIMARY DOCUMENT14 Dec 2012
  • Form 4PRIMARY DOCUMENT11 Dec 2012
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT13 Dec 2010
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 3PRIMARY DOCUMENT5 Jan 2009

Snyman Marcel A.(8)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership9 Jan 2023
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership5 Nov 2021
  • Form 4Statement of changes in beneficial ownership6 Jan 2021
  • Form 4/APRIMARY DOCUMENT4 Jan 2019
  • Form 3PRIMARY DOCUMENT22 Jan 2018
  • Form 4PRIMARY DOCUMENT4 Jan 2019

GAYNER THOMAS SINNICKSON(7)

  • Form 4Statement of changes in beneficial ownership13 Sep 2024
  • Form 4Statement of changes in beneficial ownership9 Nov 2023
  • Form 4Statement of changes in beneficial ownership12 Sep 2023
  • Form 4Statement of changes in beneficial ownership9 May 2023
  • Form 4Statement of changes in beneficial ownership16 Sep 2022
  • Form 4Statement of changes in beneficial ownership11 Nov 2021
  • Form 3PRIMARY DOCUMENT19 Jan 2007

Dillon Veronica(7)

  • Form 4PRIMARY DOCUMENT22 Dec 2014
  • Form 4PRIMARY DOCUMENT10 Jul 2014
  • Form 4PRIMARY DOCUMENT12 Dec 2012
  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 4PRIMARY DOCUMENT17 Dec 2008
  • Form 3PRIMARY DOCUMENT4 Jan 2007

Maddrey Nicole Marie(6)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership5 Jan 2021
  • Form 4PRIMARY DOCUMENT4 Jan 2019
  • Form 4PRIMARY DOCUMENT5 Jan 2017
  • Form 3PRIMARY DOCUMENT3 Apr 2015

GILLESPIE GEORGE J III(5)

  • Form 4Statement of changes in beneficial ownership8 Aug 2001
  • Form 5Annual statement of beneficial ownership9 Feb 2001
  • Form 5Annual statement of beneficial ownership9 Feb 2001
  • Form 4Statement of changes in beneficial ownership11 Jan 2000
  • Form 4Statement of changes in beneficial ownership10 Feb 2000

Graham Holdings Co(4)

  • Form 3OWNERSHIP DOCUMENT2 Nov 2015
  • Form 4Statement of changes in beneficial ownership1 Jul 2015
  • Form 3Initial statement of beneficial ownership5 Jun 2015
  • Form 3Initial statement of beneficial ownership6 Jul 2000

Jones Boisfeuillet JR(4)

  • Form 4PRIMARY DOCUMENT7 Jan 2011
  • Form 4PRIMARY DOCUMENT5 Mar 2010
  • Form 4PRIMARY DOCUMENT5 Jan 2009
  • Form 3PRIMARY DOCUMENT10 Apr 2008

Stonesifer Sandra M.(4)

  • Form 4Statement of changes in beneficial ownership6 Jan 2025
  • Form 4Statement of changes in beneficial ownership4 Jan 2023
  • Form 4Statement of changes in beneficial ownership11 Feb 2022
  • Form 3Initial statement of beneficial ownership19 Jan 2021

OLSON RONALD L(3)

  • Form 4RLO SALE OF WPO SHARES 12-31-20103 Jan 2011
  • Form 4PRIMARY DOCUMENT20 Jan 2005
  • Form 3PRIMARY DOCUMENT11 Sep 2003

Bollinger Lee C(3)

  • Form 4Statement of changes in beneficial ownership27 Aug 2020
  • Form 4Statement of changes in beneficial ownership6 Jul 2020
  • Form 3PRIMARY DOCUMENT15 May 2007

Demeter Denise M(3)

  • Form 4PRIMARY DOCUMENT4 Jan 2019
  • Form 4Statement of changes in beneficial ownership5 Jan 2017
  • Form 3PRIMARY DOCUMENT25 Feb 2016

DILLER BARRY(2)

  • Form 4PRIMARY DOCUMENT16 Nov 2011
  • Form 3Initial statement of beneficial ownership21 Sep 2000

PREISKEL BARBARA(2)

  • Form 4Statement of changes in beneficial ownership6 Sep 1996
  • Form 4Statement of changes in beneficial ownership17 Apr 1997

SIMMONS RICHARD D(2)

  • Form 4Statement of changes in beneficial ownership2 Jun 1998
  • Form 4Statement of changes in beneficial ownership8 May 1998

RIVLIN ALICE MITCHELL(2)

  • Form 4PRIMARY DOCUMENT17 Nov 2004
  • Form 3Initial statement of beneficial ownership6 Sep 2002

GATES MELINDA FRENCH(2)

  • Form 4PRIMARY DOCUMENT8 Dec 2004
  • Form 3PRIMARY DOCUMENT9 Sep 2004

Thompson Larry D.(2)

  • Form 4PRIMARY DOCUMENT3 Jan 2012
  • Form 3Initial statement of beneficial ownership9 Jun 2011

Goldberg David Bruce(2)

  • Form 4Statement of changes in beneficial ownership13 May 2014
  • Form 3PRIMARY DOCUMENT14 Sep 2012

NATIONAL INDEMNITY CO(1)

  • Form 4Statement of changes in beneficial ownership2 Jul 2014

BUFFETT WARREN E(1)

  • Form 4Statement of changes in beneficial ownership2 Jul 2014

GOMORY RALPH E(1)

  • Form 4Statement of changes in beneficial ownership9 Sep 1997

WILSON GEORGE W(1)

  • Form 5PRIMARY DOCUMENT14 Feb 2005

BERKSHIRE HATHAWAY INC(1)

  • Form 4Statement of changes in beneficial ownership2 Jul 2014

DOTSON JOHN L JR(1)

  • Form 3Initial statement of beneficial ownership20 Dec 2001

MYLOD ROBERT J JR(1)

  • Form 3Initial statement of beneficial ownership6 Nov

Shelton James H(1)

  • Form 3PRIMARY DOCUMENT13 Nov 2015

โ‰ฅ5% Ownership

SOUTHEASTERN ASSET MANAGEMENT INC/TN/(21)

  • SC 13G/AGraham Holdings Co14 Feb 2023
  • SC 13G/AGraham Holdings Co14 Feb 2022
  • SC 13G/AGraham Holdings Co11 Jan 2021
  • SC 13G/AGraham Holdings Co14 Feb 2020
  • SC 13G/AGraham Holdings Co14 Feb 2019
  • SC 13G/AGraham Holdings Co13 Feb 2018
  • SC 13G/AGraham Holdings Co14 Feb 2017
  • SC 13G/AGraham Holdings Co12 Feb 2016
  • SC 13G/AGraham Holdings Co13 Feb 2015
  • SC 13G/AGraham Holdings Co10 Nov 2014

GRAHAM DONALD(19)

  • SC 13D/AGraham Holdings Co5 Sep 2024
  • SC 13D/AGraham Holdings Co18 Dec 2019
  • SC 13D/AGraham Holdings Co19 Mar 2018
  • SC 13D/AGraham Holdings Co13 Nov 2015
  • SC 13D/AGraham Holdings Co2 Jul 2015
  • SC 13D/AGraham Holdings Co12 Jun 2015
  • SC 13D/AGraham Holdings Co4 Mar 2015
  • SC 13D/AGraham Holdings Co2 Jul 2014
  • SC 13D/AWashington Post Co26 Jul 2013
  • SC 13D/AWashington Post Co17 Jun 2011

Graham Holdings Co(15)

  • SC 13G/APubMatic, Inc.15 May
  • SC 13G/APubMatic, Inc.14 May 2025
  • SC 13GPubMatic, Inc.20 Aug 2024
  • SC 13GColumbus Mckinnon Corp1 Feb 2016
  • SC 13DSmartPros Ltd.2 Nov 2015
  • SC 13D/ACorinthian Colleges Inc19 Mar 2014
  • SC 13D/ACorinthian Colleges Inc12 Mar 2014
  • SC 13D/ACorinthian Colleges Inc30 Apr 2013
  • SC 13DCorinthian Colleges Inc15 Feb 2008
  • SC 13DCorinthian Colleges Inc15 Feb 2008

VANGUARD GROUP INC(13)

  • SC 13G/AGraham Holdings Co27 Mar
  • SC 13G/AGraham Holdings Co11 Mar 2024
  • SC 13G/AGraham Holdings Co13 Feb 2024
  • SC 13G/AGraham Holdings Co11 Sep 2023
  • SC 13G/AGraham Holdings Co9 Feb 2023
  • SC 13G/AGraham Holdings Co10 Feb 2022
  • SC 13G/AGraham Holdings Co10 Feb 2021
  • SC 13G/AGraham Holdings Co12 Feb 2020
  • SC 13G/AGraham Holdings Co11 Feb 2019
  • SC 13G/AGraham Holdings Co9 Feb 2018

BlackRock Inc.(13)

  • SC 13G/AGraham Holdings Co23 Jan 2024
  • SC 13G/AGraham Holdings Co26 Jan 2023
  • SC 13G/AGraham Holdings Co20 Jan 2023
  • SC 13G/AGraham Holdings Co27 Jan 2022
  • SC 13G/AGraham Holdings Co25 Jan 2022
  • SC 13G/AGraham Holdings Co12 Jul 2021
  • SC 13G/AGraham Holdings Co29 Jan 2021
  • SC 13G/AGraham Holdings Co5 Feb 2020
  • SC 13G/AGraham Holdings Co4 Feb 2019
  • SC 13G/AGraham Holdings Co25 Jan 2018

J P MORGAN CHASE & CO(9)

  • SC 13G/AWashington Post Co15 Jan 2009
  • SC 13G/AWashington Post Co29 Jan 2008
  • SC 13G/AWashington Post Co6 Feb 2007
  • SC 13G/AWashington Post Co10 Feb 2006
  • SC 13G/AWashington Post Co10 Feb 2005
  • SC 13G/AWashington Post Co12 Feb 2004
  • SC 13G/AWashington Post Co14 Feb 2003
  • SC 13G/AWashington Post Co13 Feb 2002
  • SC 13G/AWashington Post Co12 Feb 2001

MORGAN J P & CO INC(8)

  • SC 13G/AWashington Post Co9 Mar 2000
  • SC 13G/AWashington Post Co15 Feb 2000
  • SC 13G/AWashington Post Co24 Feb 1999
  • SC 13G/AWashington Post Co23 Feb 1999
  • SC 13G/AWashington Post Co23 Feb 1999
  • SC 13G/AWashington Post Co13 Feb 1998
  • SC 13G/AWashington Post Co31 Jan 1997
  • SC 13G/AWashington Post Co15 Feb 1996

DIMENSIONAL FUND ADVISORS LP(8)

  • SC 13G/AGraham Holdings Co21 Jan
  • SC 13G/AGraham Holdings Co9 Feb 2024
  • SC 13G/AGraham Holdings Co10 Feb 2023
  • SC 13G/AGraham Holdings Co8 Feb 2022
  • SC 13G/AGraham Holdings Co12 Feb 2021
  • SC 13G/AGraham Holdings Co12 Feb 2020
  • SC 13G/AGraham Holdings Co8 Feb 2019
  • SC 13GGraham Holdings Co9 Feb 2018

FRANKLIN MUTUAL ADVISERS LLC(7)

  • SC 13G/AWashington Post Co31 Jan 2007
  • SC 13G/AWashington Post Co7 Feb 2006
  • SC 13G/AWashington Post Co14 Feb 2005
  • SC 13G/AWashington Post Co9 Feb 2004
  • SC 13G/AWashington Post Co30 Jan 2003
  • SC 13G/AWashington Post Co13 Feb 2002
  • SC 13GWashington Post Co24 Jan 2001

International Value Advisers, LLC(5)

  • SC 13G/AGraham Holdings Co13 Feb 2015
  • SC 13G/AGraham Holdings Co14 Feb 2014
  • SC 13G/AWashington Post Co13 Feb 2013
  • SC 13G/AWashington Post Co14 Feb 2012
  • SC 13GWashington Post Co14 Feb 2011

BERKSHIRE HATHAWAY INC(4)

  • SC 13D/AGraham Holdings Co1 Jul 2014
  • SC 13D/AGraham Holdings Co14 Apr 2014
  • SC 13D/AGraham Holdings Co12 Mar 2014
  • SC 13D/AGraham Holdings Co12 Feb 2014

HARRIS ASSOCIATES L P(3)

  • SC 13G/AWashington Post Co12 Feb 2009
  • SC 13G/AWashington Post Co13 Feb 2008
  • SC 13GWashington Post Co14 Feb 2007

SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC/ DE(3)

  • SC 13GGraham Holdings Co10 Feb 2017
  • SC 13G/AGraham Holdings Co10 Feb 2016
  • SC 13GGraham Holdings Co13 Feb 2015

O'Shaughnessy Laura(3)

  • SC 13D/AGraham Holdings Co2 Nov
  • SC 13DGraham Holdings Co5 Sep 2024
  • SC 13GGraham Holdings Co10 May 2024

MANNING & NAPIER ADVISORS LLC(2)

  • SC 13G/AWashington Post Co27 Jan 2012
  • SC 13GWashington Post Co11 Feb 2011

FIDUCIARY MANAGEMENT INC /WI/(2)

  • SC 13GGraham Holdings Co11 Feb 2020
  • SC 13GGraham Holdings Co14 Feb 2019

VAN ECK ASSOCIATES CORP(2)

  • SC 13G/AGraham Holdings Co7 Apr 2017
  • SC 13GGraham Holdings Co7 Apr 2017

SELECT EQUITY GROUP INC(2)

  • SC 13G/AWashington Post Co15 Feb 2006
  • SC 13GWashington Post Co17 May 2005

Capital Research Global Investors(2)

  • SC 13G/AGraham Holdings Co13 Feb 2017
  • SC 13GGraham Holdings Co16 Feb 2016

O'Shaughnessy Timothy J(2)

  • SC 13D/AGraham Holdings Co28 Feb 2025
  • SC 13DGraham Holdings Co10 May 2024

Madison Avenue Partners, LP(2)

  • SC 13GGraham Holdings Co14 Aug
  • SC 13GGraham Holdings Co30 May 2024

Weymouth Elizabeth G.(2)

  • SC 13G/AGraham Holdings Co13 Nov 2025
  • SC 13GGraham Holdings Co13 May 2024

GRAHAM KATHARINE(1)

  • SC 13DWashington Post Co3 Apr 2001

BlackRock, Inc.(1)

  • SC 13G/AGraham Holdings Co29 Apr 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GGraham Holdings Co30 Apr

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

  • SC 13GGraham Holdings Co29 Apr