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Graham Holdings Co Class B
(GHC US)
$1,244.05
+31.01
2.56%
Ext:
$1,493.55
+249.50
20.06%
(Market Closed ยท 00:56:55 UTC)
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Home
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Recent Filings
Graham Holdings Co Class B
(GHC US)
$1,244.05
+31.01
2.56%
Ext:
$1,493.55
+249.50
20.06%
(Market Closed ยท 00:56:55 UTC)
Follow
Doc Search
Profile
Entity Structure
SEC Filings
Financials
Charting
Short Interest
Employees
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Insider Ownership
GRAHAM DONALD
(152)
Expand
Form 4
Statement of changes in beneficial ownership
14 Aug
Form 4
Statement of changes in beneficial ownership
18 Dec 2019
Form 4
Statement of changes in beneficial ownership
28 Dec 2018
Form 4
Statement of changes in beneficial ownership
6 Aug 2018
Form 4
Statement of changes in beneficial ownership
9 Apr 2018
Form 4
Statement of changes in beneficial ownership
19 Mar 2018
Form 4
Statement of changes in beneficial ownership
26 Jan 2018
Form 4
Statement of changes in beneficial ownership
31 Oct 2017
Form 4
Statement of changes in beneficial ownership
2 Oct 2017
Form 4
Statement of changes in beneficial ownership
1 Aug 2017
GRAHAM KATHARINE
(62)
Expand
Form 4
Statement of changes in beneficial ownership
3 Jul 2001
Form 4
Statement of changes in beneficial ownership
6 Jun 2001
Form 4
Statement of changes in beneficial ownership
2 Apr 2001
Form 4
Statement of changes in beneficial ownership
5 Mar 2001
Form 4
Statement of changes in beneficial ownership
5 Mar 2001
Form 4
Statement of changes in beneficial ownership
8 Feb 2001
Form 4
Statement of changes in beneficial ownership
9 Jan 2001
Form 4
Statement of changes in beneficial ownership
7 Dec 2000
Form 4
Statement of changes in beneficial ownership
7 Nov 2000
Form 4
Statement of changes in beneficial ownership
4 Oct 2000
MCDANIEL ANN
(27)
Expand
Form 4
PRIMARY DOCUMENT
4 Mar 2015
Form 4
PRIMARY DOCUMENT
17 Dec 2014
Form 4
PRIMARY DOCUMENT
20 May 2014
Form 4
PRIMARY DOCUMENT
12 Dec 2012
Form 4
PRIMARY DOCUMENT
17 Oct 2012
Form 4
PRIMARY DOCUMENT
16 Dec 2011
Form 4
Statement of changes in beneficial ownership
7 Jun 2011
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
23 Jan 2009
Form 4
PRIMARY DOCUMENT
5 Jan 2009
O'Shaughnessy Timothy J
(26)
Expand
Form 4
Statement of changes in beneficial ownership
14 Aug
Form 4
Statement of changes in beneficial ownership
28 May
Form 4
Statement of changes in beneficial ownership
13 Nov 2025
Form 4
Statement of changes in beneficial ownership
9 Oct 2025
Form 4
Statement of changes in beneficial ownership
30 Sep 2025
Form 4
Statement of changes in beneficial ownership
22 Aug 2025
Form 4
Statement of changes in beneficial ownership
5 Nov 2024
Form 4
Statement of changes in beneficial ownership
17 Oct 2024
Form 4
Statement of changes in beneficial ownership
25 Sep 2024
Form 4
Statement of changes in beneficial ownership
7 Jul 2023
MORSE JOHN B JR
(23)
Expand
Form 5
PRIMARY DOCUMENT
13 Feb 2008
Form 4
PRIMARY DOCUMENT
24 Apr 2007
Form 4
PRIMARY DOCUMENT
4 Jan 2007
Form 4
PRIMARY DOCUMENT
27 Jun 2006
Form 5
PRIMARY DOCUMENT
31 Jan 2006
Form 4
PRIMARY DOCUMENT
2 Mar 2005
Form 4
PRIMARY DOCUMENT
3 Jan 2005
Form 4
PRIMARY DOCUMENT
15 Dec 2004
Form 4
PRIMARY DOCUMENT
8 Jun 2004
Form 4
PRIMARY DOCUMENT
14 Nov 2003
MULCAHY ANNE M
(21)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
WAGONER G RICHARD JR
(20)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
Weymouth Katharine
(20)
Expand
Form 4
Statement of changes in beneficial ownership
28 May
Form 4
Statement of changes in beneficial ownership
29 Dec 2025
Form 4
Statement of changes in beneficial ownership
14 Nov 2024
Form 4
Statement of changes in beneficial ownership
15 Mar 2024
Form 4
Statement of changes in beneficial ownership
26 Aug 2020
Form 4
PRIMARY DOCUMENT
11 Oct 2018
Form 4
PRIMARY DOCUMENT
25 Sep 2018
Form 4
PRIMARY DOCUMENT
9 Jul 2018
Form 4
PRIMARY DOCUMENT
14 May 2018
Form 4
PRIMARY DOCUMENT
18 Dec 2017
Davis Christopher C
(19)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
Rosen Andrew Stephen
(19)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
23 Dec 2021
Form 4
Statement of changes in beneficial ownership
5 Jan 2021
Form 4
Statement of changes in beneficial ownership
23 Dec 2020
Form 4
Statement of changes in beneficial ownership
14 Dec 2020
Form 4
Statement of changes in beneficial ownership
9 Dec 2020
Form 4
Statement of changes in beneficial ownership
7 Dec 2020
Form 4
Statement of changes in beneficial ownership
3 Dec 2020
Form 4
Statement of changes in beneficial ownership
25 Nov 2020
CONLEY DANIELLE Y.
(19)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
KEIL BEVERLY
(17)
Expand
Form 4
Statement of changes in beneficial ownership
8 Mar 2001
Form 4
Statement of changes in beneficial ownership
11 Jan 2001
Form 4
Statement of changes in beneficial ownership
10 Jan 2000
Form 4
Statement of changes in beneficial ownership
7 May 1999
Form 4
Statement of changes in beneficial ownership
8 Apr 1999
Form 4
Statement of changes in beneficial ownership
7 Jan 1999
Form 4
Statement of changes in beneficial ownership
9 Jan 1998
Form 4/A
Statement of changes in beneficial ownership (amendment)
17 Apr 1997
Form 4
Statement of changes in beneficial ownership
18 Apr 1997
Form 4
Statement of changes in beneficial ownership
28 Jan 1997
Cooney Wallace R.
(17)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
5 Jan 2021
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
PRIMARY DOCUMENT
3 Apr 2017
Form 4
PRIMARY DOCUMENT
13 Jan 2017
Form 4
Statement of changes in beneficial ownership
5 Jan 2017
Form 4
PRIMARY DOCUMENT
29 Jan 2015
Form 4
PRIMARY DOCUMENT
5 Jan 2015
Form 4
PRIMARY DOCUMENT
11 Dec 2014
DANIELS DIANA M
(16)
Expand
Form 4
PRIMARY DOCUMENT
29 Aug 2006
Form 4/A
PRIMARY DOCUMENT
29 Aug 2006
Form 4
PRIMARY DOCUMENT
3 Jan 2005
Form 4
PRIMARY DOCUMENT
14 Nov 2003
Form 4
Statement of changes in beneficial ownership
2 Jan 2003
Form 4
Statement of changes in beneficial ownership
26 Aug 2002
Form 4
Statement of changes in beneficial ownership
3 Jun 2002
Form 4
Statement of changes in beneficial ownership
10 May 2002
Form 5
Annual statement of beneficial ownership
11 Jan 2002
Form 4
Statement of changes in beneficial ownership
11 Jan 2001
ROSBERG GERALD M
(16)
Expand
Form 4
PRIMARY DOCUMENT
5 Jan 2015
Form 4/A
PRIMARY DOCUMENT
14 Dec 2012
Form 4
PRIMARY DOCUMENT
11 Dec 2012
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4/A
PRIMARY DOCUMENT
26 Oct 2010
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 4
PRIMARY DOCUMENT
17 Dec 2008
Form 4
PRIMARY DOCUMENT
8 May 2008
Form 4
PRIMARY DOCUMENT
27 Feb 2008
Form 4
PRIMARY DOCUMENT
4 Jan 2007
Maas, Jacob
(16)
Expand
Form 4
Statement of changes in beneficial ownership
31 Aug
Form 4
Statement of changes in beneficial ownership
21 Jan
Form 4
Statement of changes in beneficial ownership
22 Oct 2025
Form 4
Statement of changes in beneficial ownership
21 Aug 2025
Form 4
Statement of changes in beneficial ownership
29 Jan 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
8 Nov 2024
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
21 Jan 2022
Form 4/A
Statement of changes in beneficial ownership (amendment)
24 Jan 2022
COHEN MARTIN
(14)
Expand
Form 4
Statement of changes in beneficial ownership
8 May 1998
Form 4
Statement of changes in beneficial ownership
8 Apr 1998
Form 4
Statement of changes in beneficial ownership
10 Mar 1998
Form 4
Statement of changes in beneficial ownership
5 Feb 1998
Form 4
Statement of changes in beneficial ownership
9 Jan 1998
Form 4
Statement of changes in beneficial ownership
5 Nov 1997
Form 4
Statement of changes in beneficial ownership
9 May 1997
Form 4
Statement of changes in beneficial ownership
2 Apr 1997
Form 4
Statement of changes in beneficial ownership
2 Apr 1997
Form 5
Annual statement of beneficial ownership
8 Jan 1997
Markell Jack A.
(11)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
2 Dec 2021
Form 4
PRIMARY DOCUMENT
18 Mar 2020
Form 4
PRIMARY DOCUMENT
27 Feb 2020
O'Shaughnessy Laura
(10)
Expand
Form 4
Statement of changes in beneficial ownership
14 Aug
Form 4
Statement of changes in beneficial ownership
28 May
Form 4
Statement of changes in beneficial ownership
13 Nov 2025
Form 4
Statement of changes in beneficial ownership
9 Oct 2025
Form 4
Statement of changes in beneficial ownership
30 Sep 2025
Form 4
Statement of changes in beneficial ownership
22 Aug 2025
Form 4
Statement of changes in beneficial ownership
5 Nov 2024
Form 4
Statement of changes in beneficial ownership
17 Oct 2024
Form 4
Statement of changes in beneficial ownership
25 Sep 2024
Form 3
Initial statement of beneficial ownership
5 Sep 2024
SPOON ALAN G
(9)
Expand
Form 4
Statement of changes in beneficial ownership
10 Jan 2000
Form 4
Statement of changes in beneficial ownership
10 Dec 1999
Form 4
Statement of changes in beneficial ownership
10 Jan 2000
Form 4
Statement of changes in beneficial ownership
8 Jun 1999
Form 4
Statement of changes in beneficial ownership
7 Jan 1999
Form 4
Statement of changes in beneficial ownership
5 Oct 1998
Form 4
Statement of changes in beneficial ownership
9 Jan 1998
Form 4
Statement of changes in beneficial ownership
28 Jan 1997
Form 4
Statement of changes in beneficial ownership
16 Apr 1997
Allen Tony
(9)
Expand
Form 4
Statement of changes in beneficial ownership
10 Mar
Form 4
Statement of changes in beneficial ownership
9 Nov 2023
Form 4
Statement of changes in beneficial ownership
3 Oct 2023
Form 4
Statement of changes in beneficial ownership
6 Jul 2023
Form 4
Statement of changes in beneficial ownership
4 Apr 2023
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
4 Oct 2022
Form 4
Statement of changes in beneficial ownership
5 Jul 2022
Form 3
Initial statement of beneficial ownership
1 Mar 2021
Jones Hal
(8)
Expand
Form 4
PRIMARY DOCUMENT
5 Jan 2015
Form 4
PRIMARY DOCUMENT
15 Dec 2014
Form 4/A
PRIMARY DOCUMENT
14 Dec 2012
Form 4
PRIMARY DOCUMENT
11 Dec 2012
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
13 Dec 2010
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 3
PRIMARY DOCUMENT
5 Jan 2009
Snyman Marcel A.
(8)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
9 Jan 2023
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
5 Nov 2021
Form 4
Statement of changes in beneficial ownership
6 Jan 2021
Form 4/A
PRIMARY DOCUMENT
4 Jan 2019
Form 3
PRIMARY DOCUMENT
22 Jan 2018
Form 4
PRIMARY DOCUMENT
4 Jan 2019
GAYNER THOMAS SINNICKSON
(7)
Expand
Form 4
Statement of changes in beneficial ownership
13 Sep 2024
Form 4
Statement of changes in beneficial ownership
9 Nov 2023
Form 4
Statement of changes in beneficial ownership
12 Sep 2023
Form 4
Statement of changes in beneficial ownership
9 May 2023
Form 4
Statement of changes in beneficial ownership
16 Sep 2022
Form 4
Statement of changes in beneficial ownership
11 Nov 2021
Form 3
PRIMARY DOCUMENT
19 Jan 2007
Dillon Veronica
(7)
Expand
Form 4
PRIMARY DOCUMENT
22 Dec 2014
Form 4
PRIMARY DOCUMENT
10 Jul 2014
Form 4
PRIMARY DOCUMENT
12 Dec 2012
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 4
PRIMARY DOCUMENT
17 Dec 2008
Form 3
PRIMARY DOCUMENT
4 Jan 2007
Maddrey Nicole Marie
(6)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
5 Jan 2021
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
PRIMARY DOCUMENT
5 Jan 2017
Form 3
PRIMARY DOCUMENT
3 Apr 2015
GILLESPIE GEORGE J III
(5)
Expand
Form 4
Statement of changes in beneficial ownership
8 Aug 2001
Form 5
Annual statement of beneficial ownership
9 Feb 2001
Form 5
Annual statement of beneficial ownership
9 Feb 2001
Form 4
Statement of changes in beneficial ownership
11 Jan 2000
Form 4
Statement of changes in beneficial ownership
10 Feb 2000
Graham Holdings Co
(4)
Expand
Form 3
OWNERSHIP DOCUMENT
2 Nov 2015
Form 4
Statement of changes in beneficial ownership
1 Jul 2015
Form 3
Initial statement of beneficial ownership
5 Jun 2015
Form 3
Initial statement of beneficial ownership
6 Jul 2000
Jones Boisfeuillet JR
(4)
Expand
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
5 Mar 2010
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 3
PRIMARY DOCUMENT
10 Apr 2008
Stonesifer Sandra M.
(4)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
11 Feb 2022
Form 3
Initial statement of beneficial ownership
19 Jan 2021
OLSON RONALD L
(3)
Expand
Form 4
RLO SALE OF WPO SHARES 12-31-2010
3 Jan 2011
Form 4
PRIMARY DOCUMENT
20 Jan 2005
Form 3
PRIMARY DOCUMENT
11 Sep 2003
Bollinger Lee C
(3)
Expand
Form 4
Statement of changes in beneficial ownership
27 Aug 2020
Form 4
Statement of changes in beneficial ownership
6 Jul 2020
Form 3
PRIMARY DOCUMENT
15 May 2007
Demeter Denise M
(3)
Expand
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
Statement of changes in beneficial ownership
5 Jan 2017
Form 3
PRIMARY DOCUMENT
25 Feb 2016
DILLER BARRY
(2)
Expand
Form 4
PRIMARY DOCUMENT
16 Nov 2011
Form 3
Initial statement of beneficial ownership
21 Sep 2000
PREISKEL BARBARA
(2)
Expand
Form 4
Statement of changes in beneficial ownership
6 Sep 1996
Form 4
Statement of changes in beneficial ownership
17 Apr 1997
SIMMONS RICHARD D
(2)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jun 1998
Form 4
Statement of changes in beneficial ownership
8 May 1998
RIVLIN ALICE MITCHELL
(2)
Expand
Form 4
PRIMARY DOCUMENT
17 Nov 2004
Form 3
Initial statement of beneficial ownership
6 Sep 2002
GATES MELINDA FRENCH
(2)
Expand
Form 4
PRIMARY DOCUMENT
8 Dec 2004
Form 3
PRIMARY DOCUMENT
9 Sep 2004
Thompson Larry D.
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Jan 2012
Form 3
Initial statement of beneficial ownership
9 Jun 2011
Goldberg David Bruce
(2)
Expand
Form 4
Statement of changes in beneficial ownership
13 May 2014
Form 3
PRIMARY DOCUMENT
14 Sep 2012
NATIONAL INDEMNITY CO
(1)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jul 2014
BUFFETT WARREN E
(1)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jul 2014
GOMORY RALPH E
(1)
Expand
Form 4
Statement of changes in beneficial ownership
9 Sep 1997
WILSON GEORGE W
(1)
Expand
Form 5
PRIMARY DOCUMENT
14 Feb 2005
BERKSHIRE HATHAWAY INC
(1)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jul 2014
DOTSON JOHN L JR
(1)
Expand
Form 3
Initial statement of beneficial ownership
20 Dec 2001
MYLOD ROBERT J JR
(1)
Expand
Form 3
Initial statement of beneficial ownership
6 Nov
Shelton James H
(1)
Expand
Form 3
PRIMARY DOCUMENT
13 Nov 2015
โฅ5% Ownership
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
(21)
Expand
SC 13G/A
Graham Holdings Co
14 Feb 2023
SC 13G/A
Graham Holdings Co
14 Feb 2022
SC 13G/A
Graham Holdings Co
11 Jan 2021
SC 13G/A
Graham Holdings Co
14 Feb 2020
SC 13G/A
Graham Holdings Co
14 Feb 2019
SC 13G/A
Graham Holdings Co
13 Feb 2018
SC 13G/A
Graham Holdings Co
14 Feb 2017
SC 13G/A
Graham Holdings Co
12 Feb 2016
SC 13G/A
Graham Holdings Co
13 Feb 2015
SC 13G/A
Graham Holdings Co
10 Nov 2014
GRAHAM DONALD
(19)
Expand
SC 13D/A
Graham Holdings Co
5 Sep 2024
SC 13D/A
Graham Holdings Co
18 Dec 2019
SC 13D/A
Graham Holdings Co
19 Mar 2018
SC 13D/A
Graham Holdings Co
13 Nov 2015
SC 13D/A
Graham Holdings Co
2 Jul 2015
SC 13D/A
Graham Holdings Co
12 Jun 2015
SC 13D/A
Graham Holdings Co
4 Mar 2015
SC 13D/A
Graham Holdings Co
2 Jul 2014
SC 13D/A
Washington Post Co
26 Jul 2013
SC 13D/A
Washington Post Co
17 Jun 2011
Graham Holdings Co
(15)
Expand
SC 13G/A
PubMatic, Inc.
15 May
SC 13G/A
PubMatic, Inc.
14 May 2025
SC 13G
PubMatic, Inc.
20 Aug 2024
SC 13G
Columbus Mckinnon Corp
1 Feb 2016
SC 13D
SmartPros Ltd.
2 Nov 2015
SC 13D/A
Corinthian Colleges Inc
19 Mar 2014
SC 13D/A
Corinthian Colleges Inc
12 Mar 2014
SC 13D/A
Corinthian Colleges Inc
30 Apr 2013
SC 13D
Corinthian Colleges Inc
15 Feb 2008
SC 13D
Corinthian Colleges Inc
15 Feb 2008
VANGUARD GROUP INC
(13)
Expand
SC 13G/A
Graham Holdings Co
27 Mar
SC 13G/A
Graham Holdings Co
11 Mar 2024
SC 13G/A
Graham Holdings Co
13 Feb 2024
SC 13G/A
Graham Holdings Co
11 Sep 2023
SC 13G/A
Graham Holdings Co
9 Feb 2023
SC 13G/A
Graham Holdings Co
10 Feb 2022
SC 13G/A
Graham Holdings Co
10 Feb 2021
SC 13G/A
Graham Holdings Co
12 Feb 2020
SC 13G/A
Graham Holdings Co
11 Feb 2019
SC 13G/A
Graham Holdings Co
9 Feb 2018
BlackRock Inc.
(13)
Expand
SC 13G/A
Graham Holdings Co
23 Jan 2024
SC 13G/A
Graham Holdings Co
26 Jan 2023
SC 13G/A
Graham Holdings Co
20 Jan 2023
SC 13G/A
Graham Holdings Co
27 Jan 2022
SC 13G/A
Graham Holdings Co
25 Jan 2022
SC 13G/A
Graham Holdings Co
12 Jul 2021
SC 13G/A
Graham Holdings Co
29 Jan 2021
SC 13G/A
Graham Holdings Co
5 Feb 2020
SC 13G/A
Graham Holdings Co
4 Feb 2019
SC 13G/A
Graham Holdings Co
25 Jan 2018
J P MORGAN CHASE & CO
(9)
Expand
SC 13G/A
Washington Post Co
15 Jan 2009
SC 13G/A
Washington Post Co
29 Jan 2008
SC 13G/A
Washington Post Co
6 Feb 2007
SC 13G/A
Washington Post Co
10 Feb 2006
SC 13G/A
Washington Post Co
10 Feb 2005
SC 13G/A
Washington Post Co
12 Feb 2004
SC 13G/A
Washington Post Co
14 Feb 2003
SC 13G/A
Washington Post Co
13 Feb 2002
SC 13G/A
Washington Post Co
12 Feb 2001
MORGAN J P & CO INC
(8)
Expand
SC 13G/A
Washington Post Co
9 Mar 2000
SC 13G/A
Washington Post Co
15 Feb 2000
SC 13G/A
Washington Post Co
24 Feb 1999
SC 13G/A
Washington Post Co
23 Feb 1999
SC 13G/A
Washington Post Co
23 Feb 1999
SC 13G/A
Washington Post Co
13 Feb 1998
SC 13G/A
Washington Post Co
31 Jan 1997
SC 13G/A
Washington Post Co
15 Feb 1996
DIMENSIONAL FUND ADVISORS LP
(8)
Expand
SC 13G/A
Graham Holdings Co
21 Jan
SC 13G/A
Graham Holdings Co
9 Feb 2024
SC 13G/A
Graham Holdings Co
10 Feb 2023
SC 13G/A
Graham Holdings Co
8 Feb 2022
SC 13G/A
Graham Holdings Co
12 Feb 2021
SC 13G/A
Graham Holdings Co
12 Feb 2020
SC 13G/A
Graham Holdings Co
8 Feb 2019
SC 13G
Graham Holdings Co
9 Feb 2018
FRANKLIN MUTUAL ADVISERS LLC
(7)
Expand
SC 13G/A
Washington Post Co
31 Jan 2007
SC 13G/A
Washington Post Co
7 Feb 2006
SC 13G/A
Washington Post Co
14 Feb 2005
SC 13G/A
Washington Post Co
9 Feb 2004
SC 13G/A
Washington Post Co
30 Jan 2003
SC 13G/A
Washington Post Co
13 Feb 2002
SC 13G
Washington Post Co
24 Jan 2001
International Value Advisers, LLC
(5)
Expand
SC 13G/A
Graham Holdings Co
13 Feb 2015
SC 13G/A
Graham Holdings Co
14 Feb 2014
SC 13G/A
Washington Post Co
13 Feb 2013
SC 13G/A
Washington Post Co
14 Feb 2012
SC 13G
Washington Post Co
14 Feb 2011
BERKSHIRE HATHAWAY INC
(4)
Expand
SC 13D/A
Graham Holdings Co
1 Jul 2014
SC 13D/A
Graham Holdings Co
14 Apr 2014
SC 13D/A
Graham Holdings Co
12 Mar 2014
SC 13D/A
Graham Holdings Co
12 Feb 2014
HARRIS ASSOCIATES L P
(3)
Expand
SC 13G/A
Washington Post Co
12 Feb 2009
SC 13G/A
Washington Post Co
13 Feb 2008
SC 13G
Washington Post Co
14 Feb 2007
SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC/ DE
(3)
Expand
SC 13G
Graham Holdings Co
10 Feb 2017
SC 13G/A
Graham Holdings Co
10 Feb 2016
SC 13G
Graham Holdings Co
13 Feb 2015
O'Shaughnessy Laura
(3)
Expand
SC 13D/A
Graham Holdings Co
2 Nov
SC 13D
Graham Holdings Co
5 Sep 2024
SC 13G
Graham Holdings Co
10 May 2024
MANNING & NAPIER ADVISORS LLC
(2)
Expand
SC 13G/A
Washington Post Co
27 Jan 2012
SC 13G
Washington Post Co
11 Feb 2011
FIDUCIARY MANAGEMENT INC /WI/
(2)
Expand
SC 13G
Graham Holdings Co
11 Feb 2020
SC 13G
Graham Holdings Co
14 Feb 2019
VAN ECK ASSOCIATES CORP
(2)
Expand
SC 13G/A
Graham Holdings Co
7 Apr 2017
SC 13G
Graham Holdings Co
7 Apr 2017
SELECT EQUITY GROUP INC
(2)
Expand
SC 13G/A
Washington Post Co
15 Feb 2006
SC 13G
Washington Post Co
17 May 2005
Capital Research Global Investors
(2)
Expand
SC 13G/A
Graham Holdings Co
13 Feb 2017
SC 13G
Graham Holdings Co
16 Feb 2016
O'Shaughnessy Timothy J
(2)
Expand
SC 13D/A
Graham Holdings Co
28 Feb 2025
SC 13D
Graham Holdings Co
10 May 2024
Madison Avenue Partners, LP
(2)
Expand
SC 13G
Graham Holdings Co
14 Aug
SC 13G
Graham Holdings Co
30 May 2024
Weymouth Elizabeth G.
(2)
Expand
SC 13G/A
Graham Holdings Co
13 Nov 2025
SC 13G
Graham Holdings Co
13 May 2024
GRAHAM KATHARINE
(1)
Expand
SC 13D
Washington Post Co
3 Apr 2001
BlackRock, Inc.
(1)
Expand
SC 13G/A
Graham Holdings Co
29 Apr 2025
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Graham Holdings Co
30 Apr
VANGUARD PORTFOLIO MANAGEMENT LLC
(1)
Expand
SC 13G
Graham Holdings Co
29 Apr
Select Filings
Insider Ownership
GRAHAM DONALD
(152)
Expand
Form 4
Statement of changes in beneficial ownership
14 Aug
Form 4
Statement of changes in beneficial ownership
18 Dec 2019
Form 4
Statement of changes in beneficial ownership
28 Dec 2018
Form 4
Statement of changes in beneficial ownership
6 Aug 2018
Form 4
Statement of changes in beneficial ownership
9 Apr 2018
Form 4
Statement of changes in beneficial ownership
19 Mar 2018
Form 4
Statement of changes in beneficial ownership
26 Jan 2018
Form 4
Statement of changes in beneficial ownership
31 Oct 2017
Form 4
Statement of changes in beneficial ownership
2 Oct 2017
Form 4
Statement of changes in beneficial ownership
1 Aug 2017
GRAHAM KATHARINE
(62)
Expand
Form 4
Statement of changes in beneficial ownership
3 Jul 2001
Form 4
Statement of changes in beneficial ownership
6 Jun 2001
Form 4
Statement of changes in beneficial ownership
2 Apr 2001
Form 4
Statement of changes in beneficial ownership
5 Mar 2001
Form 4
Statement of changes in beneficial ownership
5 Mar 2001
Form 4
Statement of changes in beneficial ownership
8 Feb 2001
Form 4
Statement of changes in beneficial ownership
9 Jan 2001
Form 4
Statement of changes in beneficial ownership
7 Dec 2000
Form 4
Statement of changes in beneficial ownership
7 Nov 2000
Form 4
Statement of changes in beneficial ownership
4 Oct 2000
MCDANIEL ANN
(27)
Expand
Form 4
PRIMARY DOCUMENT
4 Mar 2015
Form 4
PRIMARY DOCUMENT
17 Dec 2014
Form 4
PRIMARY DOCUMENT
20 May 2014
Form 4
PRIMARY DOCUMENT
12 Dec 2012
Form 4
PRIMARY DOCUMENT
17 Oct 2012
Form 4
PRIMARY DOCUMENT
16 Dec 2011
Form 4
Statement of changes in beneficial ownership
7 Jun 2011
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
23 Jan 2009
Form 4
PRIMARY DOCUMENT
5 Jan 2009
O'Shaughnessy Timothy J
(26)
Expand
Form 4
Statement of changes in beneficial ownership
14 Aug
Form 4
Statement of changes in beneficial ownership
28 May
Form 4
Statement of changes in beneficial ownership
13 Nov 2025
Form 4
Statement of changes in beneficial ownership
9 Oct 2025
Form 4
Statement of changes in beneficial ownership
30 Sep 2025
Form 4
Statement of changes in beneficial ownership
22 Aug 2025
Form 4
Statement of changes in beneficial ownership
5 Nov 2024
Form 4
Statement of changes in beneficial ownership
17 Oct 2024
Form 4
Statement of changes in beneficial ownership
25 Sep 2024
Form 4
Statement of changes in beneficial ownership
7 Jul 2023
MORSE JOHN B JR
(23)
Expand
Form 5
PRIMARY DOCUMENT
13 Feb 2008
Form 4
PRIMARY DOCUMENT
24 Apr 2007
Form 4
PRIMARY DOCUMENT
4 Jan 2007
Form 4
PRIMARY DOCUMENT
27 Jun 2006
Form 5
PRIMARY DOCUMENT
31 Jan 2006
Form 4
PRIMARY DOCUMENT
2 Mar 2005
Form 4
PRIMARY DOCUMENT
3 Jan 2005
Form 4
PRIMARY DOCUMENT
15 Dec 2004
Form 4
PRIMARY DOCUMENT
8 Jun 2004
Form 4
PRIMARY DOCUMENT
14 Nov 2003
MULCAHY ANNE M
(21)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
WAGONER G RICHARD JR
(20)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
Weymouth Katharine
(20)
Expand
Form 4
Statement of changes in beneficial ownership
28 May
Form 4
Statement of changes in beneficial ownership
29 Dec 2025
Form 4
Statement of changes in beneficial ownership
14 Nov 2024
Form 4
Statement of changes in beneficial ownership
15 Mar 2024
Form 4
Statement of changes in beneficial ownership
26 Aug 2020
Form 4
PRIMARY DOCUMENT
11 Oct 2018
Form 4
PRIMARY DOCUMENT
25 Sep 2018
Form 4
PRIMARY DOCUMENT
9 Jul 2018
Form 4
PRIMARY DOCUMENT
14 May 2018
Form 4
PRIMARY DOCUMENT
18 Dec 2017
Davis Christopher C
(19)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
Rosen Andrew Stephen
(19)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
23 Dec 2021
Form 4
Statement of changes in beneficial ownership
5 Jan 2021
Form 4
Statement of changes in beneficial ownership
23 Dec 2020
Form 4
Statement of changes in beneficial ownership
14 Dec 2020
Form 4
Statement of changes in beneficial ownership
9 Dec 2020
Form 4
Statement of changes in beneficial ownership
7 Dec 2020
Form 4
Statement of changes in beneficial ownership
3 Dec 2020
Form 4
Statement of changes in beneficial ownership
25 Nov 2020
CONLEY DANIELLE Y.
(19)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
2 Oct 2024
Form 4
Statement of changes in beneficial ownership
2 Jul 2024
KEIL BEVERLY
(17)
Expand
Form 4
Statement of changes in beneficial ownership
8 Mar 2001
Form 4
Statement of changes in beneficial ownership
11 Jan 2001
Form 4
Statement of changes in beneficial ownership
10 Jan 2000
Form 4
Statement of changes in beneficial ownership
7 May 1999
Form 4
Statement of changes in beneficial ownership
8 Apr 1999
Form 4
Statement of changes in beneficial ownership
7 Jan 1999
Form 4
Statement of changes in beneficial ownership
9 Jan 1998
Form 4/A
Statement of changes in beneficial ownership (amendment)
17 Apr 1997
Form 4
Statement of changes in beneficial ownership
18 Apr 1997
Form 4
Statement of changes in beneficial ownership
28 Jan 1997
Cooney Wallace R.
(17)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
5 Jan 2021
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
PRIMARY DOCUMENT
3 Apr 2017
Form 4
PRIMARY DOCUMENT
13 Jan 2017
Form 4
Statement of changes in beneficial ownership
5 Jan 2017
Form 4
PRIMARY DOCUMENT
29 Jan 2015
Form 4
PRIMARY DOCUMENT
5 Jan 2015
Form 4
PRIMARY DOCUMENT
11 Dec 2014
DANIELS DIANA M
(16)
Expand
Form 4
PRIMARY DOCUMENT
29 Aug 2006
Form 4/A
PRIMARY DOCUMENT
29 Aug 2006
Form 4
PRIMARY DOCUMENT
3 Jan 2005
Form 4
PRIMARY DOCUMENT
14 Nov 2003
Form 4
Statement of changes in beneficial ownership
2 Jan 2003
Form 4
Statement of changes in beneficial ownership
26 Aug 2002
Form 4
Statement of changes in beneficial ownership
3 Jun 2002
Form 4
Statement of changes in beneficial ownership
10 May 2002
Form 5
Annual statement of beneficial ownership
11 Jan 2002
Form 4
Statement of changes in beneficial ownership
11 Jan 2001
ROSBERG GERALD M
(16)
Expand
Form 4
PRIMARY DOCUMENT
5 Jan 2015
Form 4/A
PRIMARY DOCUMENT
14 Dec 2012
Form 4
PRIMARY DOCUMENT
11 Dec 2012
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4/A
PRIMARY DOCUMENT
26 Oct 2010
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 4
PRIMARY DOCUMENT
17 Dec 2008
Form 4
PRIMARY DOCUMENT
8 May 2008
Form 4
PRIMARY DOCUMENT
27 Feb 2008
Form 4
PRIMARY DOCUMENT
4 Jan 2007
Maas, Jacob
(16)
Expand
Form 4
Statement of changes in beneficial ownership
31 Aug
Form 4
Statement of changes in beneficial ownership
21 Jan
Form 4
Statement of changes in beneficial ownership
22 Oct 2025
Form 4
Statement of changes in beneficial ownership
21 Aug 2025
Form 4
Statement of changes in beneficial ownership
29 Jan 2025
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
8 Nov 2024
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
21 Jan 2022
Form 4/A
Statement of changes in beneficial ownership (amendment)
24 Jan 2022
COHEN MARTIN
(14)
Expand
Form 4
Statement of changes in beneficial ownership
8 May 1998
Form 4
Statement of changes in beneficial ownership
8 Apr 1998
Form 4
Statement of changes in beneficial ownership
10 Mar 1998
Form 4
Statement of changes in beneficial ownership
5 Feb 1998
Form 4
Statement of changes in beneficial ownership
9 Jan 1998
Form 4
Statement of changes in beneficial ownership
5 Nov 1997
Form 4
Statement of changes in beneficial ownership
9 May 1997
Form 4
Statement of changes in beneficial ownership
2 Apr 1997
Form 4
Statement of changes in beneficial ownership
2 Apr 1997
Form 5
Annual statement of beneficial ownership
8 Jan 1997
Markell Jack A.
(11)
Expand
Form 4
Statement of changes in beneficial ownership
2 Oct
Form 4
Statement of changes in beneficial ownership
6 Jul
Form 4
Statement of changes in beneficial ownership
2 Apr
Form 4
Statement of changes in beneficial ownership
5 Jan
Form 4
Statement of changes in beneficial ownership
2 Oct 2025
Form 4
Statement of changes in beneficial ownership
2 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Apr 2025
Form 4
Statement of changes in beneficial ownership
2 Dec 2021
Form 4
PRIMARY DOCUMENT
18 Mar 2020
Form 4
PRIMARY DOCUMENT
27 Feb 2020
O'Shaughnessy Laura
(10)
Expand
Form 4
Statement of changes in beneficial ownership
14 Aug
Form 4
Statement of changes in beneficial ownership
28 May
Form 4
Statement of changes in beneficial ownership
13 Nov 2025
Form 4
Statement of changes in beneficial ownership
9 Oct 2025
Form 4
Statement of changes in beneficial ownership
30 Sep 2025
Form 4
Statement of changes in beneficial ownership
22 Aug 2025
Form 4
Statement of changes in beneficial ownership
5 Nov 2024
Form 4
Statement of changes in beneficial ownership
17 Oct 2024
Form 4
Statement of changes in beneficial ownership
25 Sep 2024
Form 3
Initial statement of beneficial ownership
5 Sep 2024
SPOON ALAN G
(9)
Expand
Form 4
Statement of changes in beneficial ownership
10 Jan 2000
Form 4
Statement of changes in beneficial ownership
10 Dec 1999
Form 4
Statement of changes in beneficial ownership
10 Jan 2000
Form 4
Statement of changes in beneficial ownership
8 Jun 1999
Form 4
Statement of changes in beneficial ownership
7 Jan 1999
Form 4
Statement of changes in beneficial ownership
5 Oct 1998
Form 4
Statement of changes in beneficial ownership
9 Jan 1998
Form 4
Statement of changes in beneficial ownership
28 Jan 1997
Form 4
Statement of changes in beneficial ownership
16 Apr 1997
Allen Tony
(9)
Expand
Form 4
Statement of changes in beneficial ownership
10 Mar
Form 4
Statement of changes in beneficial ownership
9 Nov 2023
Form 4
Statement of changes in beneficial ownership
3 Oct 2023
Form 4
Statement of changes in beneficial ownership
6 Jul 2023
Form 4
Statement of changes in beneficial ownership
4 Apr 2023
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
4 Oct 2022
Form 4
Statement of changes in beneficial ownership
5 Jul 2022
Form 3
Initial statement of beneficial ownership
1 Mar 2021
Jones Hal
(8)
Expand
Form 4
PRIMARY DOCUMENT
5 Jan 2015
Form 4
PRIMARY DOCUMENT
15 Dec 2014
Form 4/A
PRIMARY DOCUMENT
14 Dec 2012
Form 4
PRIMARY DOCUMENT
11 Dec 2012
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
13 Dec 2010
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 3
PRIMARY DOCUMENT
5 Jan 2009
Snyman Marcel A.
(8)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
9 Jan 2023
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
5 Nov 2021
Form 4
Statement of changes in beneficial ownership
6 Jan 2021
Form 4/A
PRIMARY DOCUMENT
4 Jan 2019
Form 3
PRIMARY DOCUMENT
22 Jan 2018
Form 4
PRIMARY DOCUMENT
4 Jan 2019
GAYNER THOMAS SINNICKSON
(7)
Expand
Form 4
Statement of changes in beneficial ownership
13 Sep 2024
Form 4
Statement of changes in beneficial ownership
9 Nov 2023
Form 4
Statement of changes in beneficial ownership
12 Sep 2023
Form 4
Statement of changes in beneficial ownership
9 May 2023
Form 4
Statement of changes in beneficial ownership
16 Sep 2022
Form 4
Statement of changes in beneficial ownership
11 Nov 2021
Form 3
PRIMARY DOCUMENT
19 Jan 2007
Dillon Veronica
(7)
Expand
Form 4
PRIMARY DOCUMENT
22 Dec 2014
Form 4
PRIMARY DOCUMENT
10 Jul 2014
Form 4
PRIMARY DOCUMENT
12 Dec 2012
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 4
PRIMARY DOCUMENT
17 Dec 2008
Form 3
PRIMARY DOCUMENT
4 Jan 2007
Maddrey Nicole Marie
(6)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
5 Jan 2021
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
PRIMARY DOCUMENT
5 Jan 2017
Form 3
PRIMARY DOCUMENT
3 Apr 2015
GILLESPIE GEORGE J III
(5)
Expand
Form 4
Statement of changes in beneficial ownership
8 Aug 2001
Form 5
Annual statement of beneficial ownership
9 Feb 2001
Form 5
Annual statement of beneficial ownership
9 Feb 2001
Form 4
Statement of changes in beneficial ownership
11 Jan 2000
Form 4
Statement of changes in beneficial ownership
10 Feb 2000
Graham Holdings Co
(4)
Expand
Form 3
OWNERSHIP DOCUMENT
2 Nov 2015
Form 4
Statement of changes in beneficial ownership
1 Jul 2015
Form 3
Initial statement of beneficial ownership
5 Jun 2015
Form 3
Initial statement of beneficial ownership
6 Jul 2000
Jones Boisfeuillet JR
(4)
Expand
Form 4
PRIMARY DOCUMENT
7 Jan 2011
Form 4
PRIMARY DOCUMENT
5 Mar 2010
Form 4
PRIMARY DOCUMENT
5 Jan 2009
Form 3
PRIMARY DOCUMENT
10 Apr 2008
Stonesifer Sandra M.
(4)
Expand
Form 4
Statement of changes in beneficial ownership
6 Jan 2025
Form 4
Statement of changes in beneficial ownership
4 Jan 2023
Form 4
Statement of changes in beneficial ownership
11 Feb 2022
Form 3
Initial statement of beneficial ownership
19 Jan 2021
OLSON RONALD L
(3)
Expand
Form 4
RLO SALE OF WPO SHARES 12-31-2010
3 Jan 2011
Form 4
PRIMARY DOCUMENT
20 Jan 2005
Form 3
PRIMARY DOCUMENT
11 Sep 2003
Bollinger Lee C
(3)
Expand
Form 4
Statement of changes in beneficial ownership
27 Aug 2020
Form 4
Statement of changes in beneficial ownership
6 Jul 2020
Form 3
PRIMARY DOCUMENT
15 May 2007
Demeter Denise M
(3)
Expand
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
Statement of changes in beneficial ownership
5 Jan 2017
Form 3
PRIMARY DOCUMENT
25 Feb 2016
DILLER BARRY
(2)
Expand
Form 4
PRIMARY DOCUMENT
16 Nov 2011
Form 3
Initial statement of beneficial ownership
21 Sep 2000
PREISKEL BARBARA
(2)
Expand
Form 4
Statement of changes in beneficial ownership
6 Sep 1996
Form 4
Statement of changes in beneficial ownership
17 Apr 1997
SIMMONS RICHARD D
(2)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jun 1998
Form 4
Statement of changes in beneficial ownership
8 May 1998
RIVLIN ALICE MITCHELL
(2)
Expand
Form 4
PRIMARY DOCUMENT
17 Nov 2004
Form 3
Initial statement of beneficial ownership
6 Sep 2002
GATES MELINDA FRENCH
(2)
Expand
Form 4
PRIMARY DOCUMENT
8 Dec 2004
Form 3
PRIMARY DOCUMENT
9 Sep 2004
Thompson Larry D.
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Jan 2012
Form 3
Initial statement of beneficial ownership
9 Jun 2011
Goldberg David Bruce
(2)
Expand
Form 4
Statement of changes in beneficial ownership
13 May 2014
Form 3
PRIMARY DOCUMENT
14 Sep 2012
NATIONAL INDEMNITY CO
(1)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jul 2014
BUFFETT WARREN E
(1)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jul 2014
GOMORY RALPH E
(1)
Expand
Form 4
Statement of changes in beneficial ownership
9 Sep 1997
WILSON GEORGE W
(1)
Expand
Form 5
PRIMARY DOCUMENT
14 Feb 2005
BERKSHIRE HATHAWAY INC
(1)
Expand
Form 4
Statement of changes in beneficial ownership
2 Jul 2014
DOTSON JOHN L JR
(1)
Expand
Form 3
Initial statement of beneficial ownership
20 Dec 2001
MYLOD ROBERT J JR
(1)
Expand
Form 3
Initial statement of beneficial ownership
6 Nov
Shelton James H
(1)
Expand
Form 3
PRIMARY DOCUMENT
13 Nov 2015
โฅ5% Ownership
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
(21)
Expand
SC 13G/A
Graham Holdings Co
14 Feb 2023
SC 13G/A
Graham Holdings Co
14 Feb 2022
SC 13G/A
Graham Holdings Co
11 Jan 2021
SC 13G/A
Graham Holdings Co
14 Feb 2020
SC 13G/A
Graham Holdings Co
14 Feb 2019
SC 13G/A
Graham Holdings Co
13 Feb 2018
SC 13G/A
Graham Holdings Co
14 Feb 2017
SC 13G/A
Graham Holdings Co
12 Feb 2016
SC 13G/A
Graham Holdings Co
13 Feb 2015
SC 13G/A
Graham Holdings Co
10 Nov 2014
GRAHAM DONALD
(19)
Expand
SC 13D/A
Graham Holdings Co
5 Sep 2024
SC 13D/A
Graham Holdings Co
18 Dec 2019
SC 13D/A
Graham Holdings Co
19 Mar 2018
SC 13D/A
Graham Holdings Co
13 Nov 2015
SC 13D/A
Graham Holdings Co
2 Jul 2015
SC 13D/A
Graham Holdings Co
12 Jun 2015
SC 13D/A
Graham Holdings Co
4 Mar 2015
SC 13D/A
Graham Holdings Co
2 Jul 2014
SC 13D/A
Washington Post Co
26 Jul 2013
SC 13D/A
Washington Post Co
17 Jun 2011
Graham Holdings Co
(15)
Expand
SC 13G/A
PubMatic, Inc.
15 May
SC 13G/A
PubMatic, Inc.
14 May 2025
SC 13G
PubMatic, Inc.
20 Aug 2024
SC 13G
Columbus Mckinnon Corp
1 Feb 2016
SC 13D
SmartPros Ltd.
2 Nov 2015
SC 13D/A
Corinthian Colleges Inc
19 Mar 2014
SC 13D/A
Corinthian Colleges Inc
12 Mar 2014
SC 13D/A
Corinthian Colleges Inc
30 Apr 2013
SC 13D
Corinthian Colleges Inc
15 Feb 2008
SC 13D
Corinthian Colleges Inc
15 Feb 2008
VANGUARD GROUP INC
(13)
Expand
SC 13G/A
Graham Holdings Co
27 Mar
SC 13G/A
Graham Holdings Co
11 Mar 2024
SC 13G/A
Graham Holdings Co
13 Feb 2024
SC 13G/A
Graham Holdings Co
11 Sep 2023
SC 13G/A
Graham Holdings Co
9 Feb 2023
SC 13G/A
Graham Holdings Co
10 Feb 2022
SC 13G/A
Graham Holdings Co
10 Feb 2021
SC 13G/A
Graham Holdings Co
12 Feb 2020
SC 13G/A
Graham Holdings Co
11 Feb 2019
SC 13G/A
Graham Holdings Co
9 Feb 2018
BlackRock Inc.
(13)
Expand
SC 13G/A
Graham Holdings Co
23 Jan 2024
SC 13G/A
Graham Holdings Co
26 Jan 2023
SC 13G/A
Graham Holdings Co
20 Jan 2023
SC 13G/A
Graham Holdings Co
27 Jan 2022
SC 13G/A
Graham Holdings Co
25 Jan 2022
SC 13G/A
Graham Holdings Co
12 Jul 2021
SC 13G/A
Graham Holdings Co
29 Jan 2021
SC 13G/A
Graham Holdings Co
5 Feb 2020
SC 13G/A
Graham Holdings Co
4 Feb 2019
SC 13G/A
Graham Holdings Co
25 Jan 2018
J P MORGAN CHASE & CO
(9)
Expand
SC 13G/A
Washington Post Co
15 Jan 2009
SC 13G/A
Washington Post Co
29 Jan 2008
SC 13G/A
Washington Post Co
6 Feb 2007
SC 13G/A
Washington Post Co
10 Feb 2006
SC 13G/A
Washington Post Co
10 Feb 2005
SC 13G/A
Washington Post Co
12 Feb 2004
SC 13G/A
Washington Post Co
14 Feb 2003
SC 13G/A
Washington Post Co
13 Feb 2002
SC 13G/A
Washington Post Co
12 Feb 2001
MORGAN J P & CO INC
(8)
Expand
SC 13G/A
Washington Post Co
9 Mar 2000
SC 13G/A
Washington Post Co
15 Feb 2000
SC 13G/A
Washington Post Co
24 Feb 1999
SC 13G/A
Washington Post Co
23 Feb 1999
SC 13G/A
Washington Post Co
23 Feb 1999
SC 13G/A
Washington Post Co
13 Feb 1998
SC 13G/A
Washington Post Co
31 Jan 1997
SC 13G/A
Washington Post Co
15 Feb 1996
DIMENSIONAL FUND ADVISORS LP
(8)
Expand
SC 13G/A
Graham Holdings Co
21 Jan
SC 13G/A
Graham Holdings Co
9 Feb 2024
SC 13G/A
Graham Holdings Co
10 Feb 2023
SC 13G/A
Graham Holdings Co
8 Feb 2022
SC 13G/A
Graham Holdings Co
12 Feb 2021
SC 13G/A
Graham Holdings Co
12 Feb 2020
SC 13G/A
Graham Holdings Co
8 Feb 2019
SC 13G
Graham Holdings Co
9 Feb 2018
FRANKLIN MUTUAL ADVISERS LLC
(7)
Expand
SC 13G/A
Washington Post Co
31 Jan 2007
SC 13G/A
Washington Post Co
7 Feb 2006
SC 13G/A
Washington Post Co
14 Feb 2005
SC 13G/A
Washington Post Co
9 Feb 2004
SC 13G/A
Washington Post Co
30 Jan 2003
SC 13G/A
Washington Post Co
13 Feb 2002
SC 13G
Washington Post Co
24 Jan 2001
International Value Advisers, LLC
(5)
Expand
SC 13G/A
Graham Holdings Co
13 Feb 2015
SC 13G/A
Graham Holdings Co
14 Feb 2014
SC 13G/A
Washington Post Co
13 Feb 2013
SC 13G/A
Washington Post Co
14 Feb 2012
SC 13G
Washington Post Co
14 Feb 2011
BERKSHIRE HATHAWAY INC
(4)
Expand
SC 13D/A
Graham Holdings Co
1 Jul 2014
SC 13D/A
Graham Holdings Co
14 Apr 2014
SC 13D/A
Graham Holdings Co
12 Mar 2014
SC 13D/A
Graham Holdings Co
12 Feb 2014
HARRIS ASSOCIATES L P
(3)
Expand
SC 13G/A
Washington Post Co
12 Feb 2009
SC 13G/A
Washington Post Co
13 Feb 2008
SC 13G
Washington Post Co
14 Feb 2007
SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC/ DE
(3)
Expand
SC 13G
Graham Holdings Co
10 Feb 2017
SC 13G/A
Graham Holdings Co
10 Feb 2016
SC 13G
Graham Holdings Co
13 Feb 2015
O'Shaughnessy Laura
(3)
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SC 13D/A
Graham Holdings Co
2 Nov
SC 13D
Graham Holdings Co
5 Sep 2024
SC 13G
Graham Holdings Co
10 May 2024
MANNING & NAPIER ADVISORS LLC
(2)
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SC 13G/A
Washington Post Co
27 Jan 2012
SC 13G
Washington Post Co
11 Feb 2011
FIDUCIARY MANAGEMENT INC /WI/
(2)
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SC 13G
Graham Holdings Co
11 Feb 2020
SC 13G
Graham Holdings Co
14 Feb 2019
VAN ECK ASSOCIATES CORP
(2)
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SC 13G/A
Graham Holdings Co
7 Apr 2017
SC 13G
Graham Holdings Co
7 Apr 2017
SELECT EQUITY GROUP INC
(2)
Expand
SC 13G/A
Washington Post Co
15 Feb 2006
SC 13G
Washington Post Co
17 May 2005
Capital Research Global Investors
(2)
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SC 13G/A
Graham Holdings Co
13 Feb 2017
SC 13G
Graham Holdings Co
16 Feb 2016
O'Shaughnessy Timothy J
(2)
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SC 13D/A
Graham Holdings Co
28 Feb 2025
SC 13D
Graham Holdings Co
10 May 2024
Madison Avenue Partners, LP
(2)
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SC 13G
Graham Holdings Co
14 Aug
SC 13G
Graham Holdings Co
30 May 2024
Weymouth Elizabeth G.
(2)
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SC 13G/A
Graham Holdings Co
13 Nov 2025
SC 13G
Graham Holdings Co
13 May 2024
GRAHAM KATHARINE
(1)
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SC 13D
Washington Post Co
3 Apr 2001
BlackRock, Inc.
(1)
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SC 13G/A
Graham Holdings Co
29 Apr 2025
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Graham Holdings Co
30 Apr
VANGUARD PORTFOLIO MANAGEMENT LLC
(1)
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SC 13G
Graham Holdings Co
29 Apr
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