Graham Holdings Co reports

Location
1300 North 17 Th Street, Suite 1700, Arlington, Virginia
State of incorporation
Delaware
Fiscal year end
December 31
Data updated at
5/31/2024, 01:23 AM
Form type Sec Links Description Filing date Reporting date
SC 13G Report May 30, 2024
SC 13G Report May 13, 2024
SC 13G Report May 10, 2024
SC 13D Report May 10, 2024
8-K Report | Data FORM 8-K May 8, 2024 May 7, 2024
8-K Report | Data FORM 8-K May 1, 2024 May 1, 2024
10-Q Report | Data FORM 10-Q May 1, 2024 Mar 31, 2024
8-K Report | Data FORM 8-K Feb 23, 2024 Feb 23, 2024
10-K Report | Data FORM 10-K Feb 23, 2024 Dec 31, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 13, 2024
SC 13G/A Report SEC SCHEDULE 13G Feb 9, 2024
SC 13G/A Report Jan 23, 2024
10-Q Report | Data FORM 10-Q Nov 1, 2023 Sep 30, 2023
8-K Report | Data FORM 8-K Nov 1, 2023 Nov 1, 2023
SC 13G/A Report SCHEDULE 13G/A Sep 11, 2023
10-Q Report | Data FORM 10-Q Aug 2, 2023 Jun 30, 2023
8-K Report | Data FORM 8-K Aug 2, 2023 Aug 2, 2023
8-K Report | Data FORM 8-K May 5, 2023 May 4, 2023
10-Q Report | Data FORM 10-Q May 3, 2023 Mar 31, 2023
8-K Report | Data FORM 8-K May 3, 2023 May 3, 2023
8-K Report | Data FORM 8-K Mar 23, 2023 Mar 23, 2023
10-K Report | Data FORM 10-K Feb 24, 2023 Dec 31, 2022
8-K Report | Data FORM 8-K Feb 24, 2023 Feb 24, 2023
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 14, 2023
SC 13G/A Report SEC SCHEDULE 13G Feb 10, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
SC 13G/A Report Jan 26, 2023
SC 13G/A Report Jan 20, 2023
10-Q Report | Data FORM 10-Q Nov 2, 2022 Sep 30, 2022
8-K Report | Data FORM 8-K Nov 2, 2022 Nov 2, 2022
8-K Report | Data FORM 8-K Sep 15, 2022 Sep 15, 2022
10-Q Report | Data FORM 10-Q Aug 3, 2022 Jun 30, 2022
8-K Report | Data FORM 8-K Aug 3, 2022 Aug 3, 2022
8-K Report | Data FORM 8-K May 6, 2022 May 5, 2022
10-Q Report | Data FORM 10-Q May 4, 2022 Mar 31, 2022
8-K Report | Data FORM 8-K May 4, 2022 May 4, 2022
10-K Report | Data FORM 10-K Feb 25, 2022 Dec 31, 2021
8-K Report | Data FORM 8-K Feb 25, 2022 Feb 25, 2022
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 14, 2022
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2022
SC 13G/A Report SEC SCHEDULE 13G Feb 8, 2022
SC 13G/A Report Jan 27, 2022
SC 13G/A Report Jan 25, 2022
8-K Report | Data FORM 8-K Dec 23, 2021 Dec 21, 2021
10-Q Report | Data 10-Q Nov 3, 2021 Sep 30, 2021
8-K Report | Data 8-K Nov 3, 2021 Nov 3, 2021
10-Q Report | Data FORM 10-Q Aug 4, 2021 Jun 30, 2021
8-K Report | Data FORM 8-K Aug 4, 2021 Aug 4, 2021
SC 13G/A Report Jul 12, 2021
8-K Report | Data FORM 8-K Jun 14, 2021 Jun 14, 2021
8-K Report | Data FORM 8-K May 10, 2021 May 6, 2021
10-Q Report | Data FORM 10-Q May 5, 2021 Mar 31, 2021
8-K Report | Data FORM 8-K May 5, 2021 May 5, 2021
8-K Report | Data FORM 8-K Apr 5, 2021 Apr 3, 2021
8-K Report | Data FORM 8-K Feb 25, 2021 Feb 23, 2021
10-K Report | Data FORM 10-K Feb 24, 2021 Dec 31, 2020
8-K Report | Data FORM 8-K Feb 24, 2021 Feb 24, 2021
SC 13G/A Report SEC SCHEDULE 13G Feb 12, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
SC 13G/A Report Jan 29, 2021
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Jan 11, 2021
8-K Report | Data 8-K Dec 16, 2020 Dec 10, 2020
8-K Report | Data FORM 8-K Dec 8, 2020 Dec 8, 2020
8-K Report | Data FORM 8-K Nov 10, 2020 Nov 10, 2020
8-K Report | Data FORM 8-K Nov 4, 2020 Nov 1, 2020
10-Q Report | Data FORM 10-Q Nov 4, 2020 Sep 30, 2020
8-K Report | Data FORM 8-K Nov 4, 2020 Nov 4, 2020
8-K Report | Data 8-K Oct 2, 2020 Oct 1, 2020
8-K Report | Data FORM 8-K Sep 10, 2020 Sep 10, 2020
10-Q Report | Data FORM 10-Q Aug 5, 2020 Jun 30, 2020
8-K Report | Data FORM 8-K Aug 5, 2020 Aug 5, 2020
8-K Report | Data FORM 8-K May 8, 2020 May 7, 2020
10-Q Report | Data 10-Q May 5, 2020 Mar 31, 2020
8-K Report | Data FORM 8-K May 5, 2020 May 5, 2020
8-K Report | Data FORM 8-K Apr 6, 2020 Apr 1, 2020
8-K Report | Data FORM 8-K Mar 31, 2020 Mar 31, 2020
10-K Report | Data 10-K Feb 26, 2020 Dec 31, 2019
8-K Report | Data 8-K Feb 26, 2020 Feb 26, 2020
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 14, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G Report 13G GRAHAM HOLDINGS CO. DECEMBER 2019 Feb 11, 2020
SC 13G/A Report Feb 5, 2020
SC 13D/A Report AMENDMENT NO. 22 Dec 18, 2019
10-Q Report | Data FORM 10-Q Oct 30, 2019 Sep 30, 2019
8-K Report | Data FORM 8-K Oct 30, 2019 Oct 30, 2019
10-Q Report | Data 10-Q Jul 31, 2019 Jun 30, 2019
8-K Report FORM 8-K Jul 31, 2019 Jul 31, 2019
8-K Report FORM 8-K May 2, 2019 May 2, 2019
10-Q Report | Data FORM 10-Q May 1, 2019 Mar 31, 2019
8-K Report FORM 8-K May 1, 2019 May 1, 2019
10-K Report | Data FORM 10-K Feb 25, 2019 Dec 31, 2018
8-K Report FORM 8-K Feb 25, 2019 Feb 25, 2019
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 14, 2019
SC 13G Report 13G GRAHAM HOLDINGS DECEMBER 2018 Feb 14, 2019
SC 13G/A Report Feb 11, 2019
SC 13G/A Report SCHEDULE 13G/A Feb 8, 2019
SC 13G/A Report Feb 4, 2019
10-Q Report | Data FORM 10-Q Oct 31, 2018 Sep 30, 2018
8-K Report FORM 8-K Oct 31, 2018 Oct 31, 2018
10-Q Report | Data FORM 10-Q Aug 1, 2018 Jun 30, 2018
8-K Report FORM 8-K Aug 1, 2018 Aug 1, 2018
8-K Report CURRENT REPORT May 30, 2018 May 24, 2018
8-K Report May 24, 2018 May 24, 2018
8-K Report CURRENT REPORT May 21, 2018 May 21, 2018
8-K Report | Data FORM 8-K May 21, 2018 May 21, 2018
8-K Report FORM 8-K May 3, 2018 May 3, 2018
10-Q Report | Data FORM 10-Q May 2, 2018 Mar 31, 2018
8-K Report FORM 8-K May 2, 2018 May 2, 2018
8-K Report Mar 28, 2018 Mar 22, 2018
SC 13D/A Report AMENDMENT NO. 21 Mar 19, 2018
8-K Report FORM 8-K Mar 7, 2018 Mar 5, 2018
8-K Report FORM 8-K Feb 23, 2018 Feb 23, 2018
10-K Report | Data FORM 10-K Feb 23, 2018 Dec 31, 2017
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 13, 2018
SC 13G Report SCHEDULE 13G Feb 9, 2018
SC 13G/A Report Feb 9, 2018
SC 13G/A Report Jan 25, 2018
8-K Report FORM 8-K Jan 19, 2018 Jan 18, 2018
8-K Report FORM 8-K Nov 9, 2017 Nov 9, 2017
10-Q Report | Data FORM 10-Q Nov 1, 2017 Sep 30, 2017
8-K Report FORM 8-K Nov 1, 2017 Nov 1, 2017
10-Q Report | Data FORM 10-Q Aug 2, 2017 Jun 30, 2017
8-K Report | Data FORM 8-K Aug 2, 2017 Aug 2, 2017
8-K Report FORM 8-K May 5, 2017 May 4, 2017
10-Q Report | Data FORM 10-Q May 3, 2017 Mar 31, 2017
8-K Report FORM 8-K May 3, 2017 May 3, 2017
8-K Report CURRENT REPORT Apr 27, 2017 Apr 27, 2017
8-K Report CURRENT REPORT Apr 27, 2017 Apr 27, 2017
SC 13G/A Report Apr 7, 2017
SC 13G Report Apr 7, 2017
8-K Report FORM 8-K Apr 3, 2017 Apr 3, 2017
8-K Report FORM 8-K Mar 8, 2017 Feb 16, 2017
10-K Report | Data FORM 10-K Feb 24, 2017 Dec 31, 2016
8-K Report FORM 8-K Feb 24, 2017 Feb 24, 2017
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 14, 2017
SC 13G/A Report SC 13G/A Feb 13, 2017
SC 13G/A Report Feb 13, 2017
SC 13G Report SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC SC 13G 12-31-2016 (GRAHAM HOLDI Feb 10, 2017
SC 13G/A Report Jan 24, 2017
8-K Report FORM 8-K Jan 13, 2017 Jan 11, 2017
8-K/A Report FORM 8-K/A Jan 13, 2017 Jan 12, 2017
8-K Report FORM 8-K Dec 22, 2016 Dec 22, 2016
10-Q Report | Data FORM 10-Q Nov 2, 2016 Sep 30, 2016
8-K Report FORM 8-K Nov 2, 2016 Nov 2, 2016
10-Q Report | Data FORM 10-Q Aug 3, 2016 Jun 30, 2016
8-K Report FORM 8-K Aug 3, 2016 Aug 3, 2016
8-K Report FORM 8-K May 16, 2016 May 12, 2016
8-K Report FORM 8-K May 10, 2016 May 5, 2016
10-Q Report | Data FORM 10-Q May 4, 2016 Mar 31, 2016
8-K Report | Data FORM 8-K May 4, 2016 May 4, 2016
10-K Report | Data FORM 10-K Feb 26, 2016 Dec 31, 2015
8-K Report FORM 8-K Feb 26, 2016 Feb 26, 2016
SC 13G Report SC 13G Feb 16, 2016
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 12, 2016
SC 13G/A Report Feb 10, 2016
SC 13G/A Report SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC. SC 13G A 12-31-2015 (GRAHAM HO Feb 10, 2016
SC 13G Report Feb 1, 2016
SC 13G/A Report Jan 26, 2016
8-K Report FORM 8-K Dec 21, 2015 Dec 17, 2015
8-K Report FORM 8-K Dec 15, 2015 Dec 14, 2015
8-K Report FORM 8-K PRESS RELEASE Nov 13, 2015 Nov 13, 2015
SC 13D/A Report AMENDMENT NO. 20 Nov 13, 2015
8-K Report FORM 8-K PRESS RELEASES Nov 12, 2015 Nov 11, 2015
10-Q Report | Data FORM 10-Q Nov 5, 2015 Sep 30, 2015
8-K Report FORM 8-K Nov 5, 2015 Nov 4, 2015
SC 13D Report SCHEDULE 13D Nov 2, 2015
8-K Report 8-K Sep 4, 2015 Sep 3, 2015
10-Q Report | Data FORM 10-Q Aug 5, 2015 Jun 30, 2015
8-K Report FORM 8-K Aug 5, 2015 Aug 5, 2015
8-K Report 8-K Jul 23, 2015 Jul 23, 2015
8-K Report FORM 8-K Jul 8, 2015 Jul 1, 2015
SC 13D/A Report AMENDMENT NO. 19 Jul 2, 2015
8-K Report CURRENT REPORT Jul 1, 2015 Jun 29, 2015
8-K Report CURRENT REPORT Jun 17, 2015 Jun 11, 2015
8-K Report FORM 8-K Jun 17, 2015 Jun 17, 2015
SC 13D/A Report AMENDMENT NO. 18 Jun 12, 2015
8-K Report CURRENT REPORT Jun 4, 2015 Jun 4, 2015
8-K Report FORM 8-K Jun 1, 2015 Jun 1, 2015
8-K Report FORM 8-K May 15, 2015 May 14, 2015
10-Q Report | Data FORM 10-Q May 11, 2015 Mar 31, 2015
8-K Report FORM 8-K May 1, 2015 May 1, 2015
SC 13D/A Report AMENDMENT NO. 17 Mar 4, 2015
10-K Report | Data FORM 10-K Feb 27, 2015 Dec 31, 2014
8-K Report FORM 8-K Feb 20, 2015 Feb 20, 2015
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G AMENDMENT Feb 13, 2015
SC 13G/A Report Feb 13, 2015
SC 13G Report SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC SC 13G 12-31-2014 (GRAHAM HOLDI Feb 13, 2015
8-K Report FORM 8-K Feb 13, 2015 Feb 12, 2015
SC 13G Report Feb 10, 2015
SC 13G Report Feb 3, 2015
8-K Report FORM 8-K Nov 14, 2014 Nov 12, 2014
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G NO. 8 Nov 10, 2014
10-Q Report | Data FORM 10-Q Nov 5, 2014 Sep 30, 2014
8-K Report FORM 8-K Oct 31, 2014 Oct 31, 2014
8-K Report CURRENT REPORT Oct 1, 2014 Oct 1, 2014
8-K Report CURRENT REPORT Aug 8, 2014 Aug 5, 2014
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G Aug 8, 2014
10-Q Report | Data FORM 10-Q Aug 6, 2014 Jun 30, 2014
8-K Report FORM 8-K Aug 1, 2014 Aug 1, 2014
8-K Report CURRENT REPORT Jul 16, 2014 Jul 16, 2014
8-K Report FORM 8-K Jul 7, 2014 Jun 30, 2014
SC 13D/A Report AMENDMENT NO. 16 Jul 2, 2014
SC 13D/A Report AMENDMENT NO. 11 TO SCHEDULE 13D Jul 1, 2014
8-K Report FORM 8-K May 13, 2014 May 8, 2014
10-Q Report | Data FORM 10-Q May 7, 2014 Mar 31, 2014
8-K Report FORM 8-K May 2, 2014 May 2, 2014
SC 13D/A Report SC 13D/A Apr 14, 2014
8-K Report CURRENT REPORT Apr 14, 2014 Apr 10, 2014
SC 13D/A Report AMENDMENT NO. 3 Mar 19, 2014
8-K Report CURRENT REPORT Mar 13, 2014 Mar 12, 2014
SC 13D/A Report SC 13D/A Mar 12, 2014
SC 13D/A Report AMENDMENT NO. 2 Mar 12, 2014
10-K Report | Data FORM 10-K Feb 28, 2014 Dec 31, 2013
8-K Report FORM 8-K Feb 21, 2014 Feb 21, 2014
SC 13G/A Report Feb 14, 2014
SC 13D/A Report SC 13D/AMENDMENT #8 Feb 12, 2014
SC 13G/A Report GRAHAM HOLDINGS COMPANY - 13G Feb 10, 2014
8-K Report FORM 8-K Dec 3, 2013 Nov 27, 2013
8-K Report CURRENT REPORT Nov 29, 2013 Nov 29, 2013
8-K Report CURRENT REPORT Nov 18, 2013 Nov 15, 2013
10-Q Report | Data FORM 10-Q Nov 6, 2013 Sep 30, 2013
8-K Report FORM 8-K Nov 1, 2013 Nov 1, 2013
8-K Report FORM 8-K Oct 7, 2013 Oct 1, 2013
10-Q Report | Data FORM 10-Q Aug 7, 2013 Jun 30, 2013
8-K Report CURRENT REPORT Aug 5, 2013 Aug 5, 2013
8-K Report FORM 8-K Aug 2, 2013 Aug 2, 2013
SC 13D/A Report AMENDMENT NO. 15 Jul 26, 2013
8-K Report May 16, 2013 May 9, 2013
10-Q Report | Data FORM 10-Q May 7, 2013 Mar 31, 2013
8-K Report FORM 8-K May 3, 2013 May 3, 2013
SC 13D/A Report AMENDMENT NO. 1 Apr 30, 2013
10-K Report | Data FORM 10-K Feb 28, 2013 Dec 31, 2012
8-K Report FORM 8-K Feb 22, 2013 Feb 22, 2013
SC 13G/A Report THE WASHINGTON POST COMPANY - 13G Feb 14, 2013
SC 13G/A Report Feb 13, 2013
8-K Report Jan 8, 2013 Jan 8, 2013
8-K Report Dec 10, 2012 Dec 7, 2012
10-Q Report | Data FORM 10-Q Nov 7, 2012 Sep 30, 2012
8-K Report FORM 8-K Nov 2, 2012 Nov 2, 2012
8-K Report FORM 8-K Oct 1, 2012 Oct 1, 2012
8-K Report FORM 8-K Sep 28, 2012 Sep 27, 2012
8-K Report Sep 13, 2012 Sep 13, 2012
10-Q Report | Data FORM 10-Q Aug 7, 2012 Jun 30, 2012
8-K Report FORM 8-K Aug 3, 2012 Jun 30, 2012
8-K Report FORM 8-K May 11, 2012 May 10, 2012
10-Q Report | Data FORM 10-Q May 9, 2012 Mar 31, 2012
8-K Report FORM 8-K May 4, 2012 Mar 31, 2012
10-K Report | Data FORM 10-K Feb 29, 2012 Dec 31, 2011
8-K Report FORM 8-K Feb 24, 2012 Dec 31, 2011
8-K Report FORM 8-K Feb 23, 2012 Feb 23, 2012
SC 13G/A Report Feb 14, 2012
SC 13G/A Report THE WASHINGTON POST COMPANY - 13G Feb 7, 2012
SC 13G/A Report WASHINGTON POST CO. Jan 27, 2012
8-K Report FORM 8-K Dec 27, 2011 Dec 23, 2011
8-K Report FORM 8-K Dec 22, 2011 Dec 22, 2011
10-Q Report | Data FORM 10-Q Nov 9, 2011 Oct 2, 2011
8-K Report FORM 8-K Nov 4, 2011 Nov 4, 2011
8-K Report FORM 8-K Oct 27, 2011 Oct 27, 2011
8-K Report FORM 8-K Sep 8, 2011 Sep 8, 2011
8-K/A Report FORM 8-K AMENDMENT Aug 30, 2011 May 16, 2011
10-Q Report | Data FORM 10-Q Aug 11, 2011 Jul 3, 2011
8-K Report FORM 8-K Aug 5, 2011 Aug 5, 2011
8-K Report FORM 8-K Jul 22, 2011 Jul 22, 2011
8-K Report FORM 8-K Jul 19, 2011 Jul 19, 2011
8-K Report FORM 8-K Jun 20, 2011 Jun 17, 2011
SC 13D/A Report AMENDMENT NO. 14 Jun 17, 2011
8-K Report FORM 8-K Jun 9, 2011 Jun 9, 2011
8-K Report FORM 8-K May 16, 2011 May 12, 2011
10-Q Report | Data FORM 10-Q May 11, 2011 Apr 3, 2011
8-K Report FORM 8-K May 6, 2011 May 6, 2011
10-K Report | Data FORM 10K Mar 2, 2011 Jan 2, 2011
8-K Report FORM 8-K Feb 23, 2011 Feb 23, 2011
SC 13G Report SC 13G Feb 14, 2011
SC 13G Report WASHINGTON POST CO. Feb 11, 2011
SC 13G/A Report THE WASHINGTON POST COMPANY - 13G Feb 7, 2011
8-K Report FORM 8-K Jan 20, 2011 Jan 20, 2011
8-K Report FORM 8-K Nov 12, 2010 Nov 11, 2010
10-Q Report | Data FORM 10-Q Nov 10, 2010 Oct 3, 2010
8-K Report FORM 8-K Nov 5, 2010 Nov 5, 2010
8-K Report FORM 8-K Oct 6, 2010 Sep 30, 2010
8-K Report FORM 8-K Sep 30, 2010 Sep 27, 2010
8-K Report FORM 8-K Sep 24, 2010 Sep 23, 2010
SC 13D/A Report AMENDMENT NO. 13 Aug 27, 2010
8-K Report FORM 8-K Aug 16, 2010 Aug 16, 2010
10-Q Report | Data FORM 10-Q Aug 11, 2010 Jul 4, 2010
8-K Report FORM 8-K Aug 6, 2010 Aug 6, 2010
8-K Report FORM 8-K Jun 10, 2010 Jun 10, 2010
8-K Report FORM 8-K May 18, 2010 May 13, 2010
10-Q Report FORM 10-Q May 11, 2010 Apr 4, 2010
8-K Report FORM 8-K May 7, 2010 May 7, 2010
8-K Report FORM 8-K May 5, 2010 May 5, 2010
SC 13G/A Report THE WASHINGTON POST COMPANY - 13G Apr 7, 2010
10-K Report FORM 10-K Mar 2, 2010 Jan 3, 2010
8-K Report FORM 8-K Feb 24, 2010 Feb 24, 2010
SC 13G/A Report THE WASHINGTON POST COMPANY 13G Feb 5, 2010
8-K Report FORM 8-K Jan 21, 2010 Jan 21, 2010