Costar Group, Inc. reports

Location
1331 L Street, Nw, Washington, DC
State of incorporation
DE
Fiscal year end
December 31
Data updated at
10/23/2024, 04:54 PM
Form type Sec Links Description Filing date Reporting date
10-Q Report | Data 10-Q Oct 23, 2024 Sep 30, 2024
8-K Report | Data 8-K Oct 22, 2024 Oct 22, 2024
10-Q Report | Data 10-Q Jul 25, 2024 Jun 30, 2024
8-K Report | Data 8-K Jul 23, 2024 Jul 23, 2024
8-K Report | Data 8-K Jul 11, 2024 Jul 8, 2024
8-K Report | Data 8-K Jun 18, 2024 Jun 18, 2024
8-K Report | Data 8-K Jun 7, 2024 Jun 6, 2024
8-K Report | Data 8-K May 31, 2024 May 24, 2024
10-Q Report | Data 10-Q Apr 24, 2024 Mar 31, 2024
8-K Report | Data 8-K Apr 23, 2024 Apr 23, 2024
8-K Report | Data 8-K Apr 22, 2024 Apr 21, 2024
10-K Report | Data 10-K Feb 22, 2024 Dec 31, 2023
8-K Report | Data 8-K Feb 21, 2024 Feb 21, 2024
8-K Report | Data 8-K Feb 20, 2024 Feb 20, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 13, 2024
SC 13G/A Report Jan 25, 2024
10-Q Report | Data 10-Q Oct 25, 2023 Sep 30, 2023
8-K Report | Data FORM 8-K Oct 24, 2023 Oct 24, 2023
8-K Report | Data 8-K Aug 1, 2023 Jul 28, 2023
10-Q Report | Data 10-Q Jul 26, 2023 Jun 30, 2023
8-K Report | Data 8-K Jul 25, 2023 Jul 25, 2023
8-K Report | Data 8-K Jun 12, 2023 Jun 8, 2023
10-Q Report | Data 10-Q Apr 26, 2023 Mar 31, 2023
8-K Report | Data 8-K Apr 25, 2023 Apr 25, 2023
10-K Report | Data 10-K Feb 22, 2023 Dec 31, 2022
8-K Report | Data 8-K Feb 21, 2023 Feb 21, 2023
SC 13G/A Report Feb 14, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
SC 13G/A Report Jan 30, 2023
10-Q Report | Data 10-Q Oct 26, 2022 Sep 30, 2022
8-K Report | Data 8-K Oct 25, 2022 Oct 25, 2022
SC 13G/A Report SCHEDULE 13G/A Oct 11, 2022
8-K Report | Data 8-K Sep 20, 2022 Sep 16, 2022
10-Q Report | Data 10-Q Jul 27, 2022 Jun 30, 2022
8-K Report | Data 8-K Jul 26, 2022 Jul 26, 2022
8-K Report | Data 8-K Jun 9, 2022 Jun 9, 2022
8-K Report | Data 8-K May 9, 2022 Apr 18, 2022
10-Q Report | Data 10-Q Apr 28, 2022 Mar 31, 2022
8-K Report | Data 8-K Apr 26, 2022 Apr 26, 2022
10-K Report | Data 10-K Feb 23, 2022 Dec 31, 2021
8-K Report | Data 8-K Feb 22, 2022 Feb 22, 2022
SC 13G/A Report Feb 14, 2022
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2022
SC 13G/A Report Feb 1, 2022
10-Q Report | Data 10-Q Oct 27, 2021 Sep 30, 2021
8-K Report | Data 8-K Oct 26, 2021 Oct 26, 2021
10-Q Report | Data 10-Q Jul 28, 2021 Jun 30, 2021
8-K Report | Data 8-K Jul 27, 2021 Jul 27, 2021
8-K Report | Data 8-K Jun 7, 2021 Jun 2, 2021
10-Q Report | Data 10-Q Apr 28, 2021 Mar 31, 2021
8-K Report | Data 8-K Apr 27, 2021 Apr 27, 2021
8-K Report | Data 8-K Mar 5, 2021 Mar 4, 2021
10-K Report | Data 10-K Feb 24, 2021 Dec 31, 2020
8-K Report | Data 8-K Feb 23, 2021 Feb 23, 2021
SC 13G/A Report Feb 16, 2021
8-K Report | Data 8-K Feb 16, 2021 Feb 16, 2021
SC 13G/A Report NONE Feb 12, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
SC 13G/A Report Jan 29, 2021
8-K Report | Data 8-K Jan 4, 2021 Jan 4, 2021
10-Q Report | Data 10-Q Oct 28, 2020 Sep 30, 2020
8-K Report | Data 8-K Oct 27, 2020 Oct 27, 2020
8-K Report | Data 8-K Oct 1, 2020 Sep 27, 2020
10-Q Report | Data 10-Q Jul 29, 2020 Jun 30, 2020
8-K Report | Data 8-K Jul 28, 2020 Jul 28, 2020
8-K Report | Data 8-K Jul 1, 2020 Jul 1, 2020
8-K Report | Data 8-K Jun 24, 2020 Jun 24, 2020
8-K Report | Data 8-K Jun 5, 2020 Jun 3, 2020
8-K Report | Data FORM 8K May 28, 2020 May 26, 2020
8-K Report | Data 8-K May 14, 2020 May 13, 2020
8-K Report | Data 8-K Apr 30, 2020 Apr 29, 2020
10-Q Report | Data 10-Q Apr 29, 2020 Mar 31, 2020
8-K Report | Data 8-K Apr 28, 2020 Apr 28, 2020
8-K Report | Data 8-K Mar 26, 2020 Mar 25, 2020
10-K Report | Data 10-K Feb 26, 2020 Dec 31, 2019
8-K Report | Data 8-K Feb 25, 2020 Feb 25, 2020
SC 13G/A Report Feb 14, 2020
SC 13G/A Report 12/31/19 COSTAR Feb 14, 2020
SC 13G/A Report NONE Feb 14, 2020
8-K Report | Data 8-K Feb 13, 2020 Feb 11, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G/A Report Feb 5, 2020
8-K Report | Data 8-K Dec 18, 2019 Dec 12, 2019
SC 13G/A Report Dec 10, 2019
10-Q Report | Data 10-Q Oct 23, 2019 Sep 30, 2019
8-K Report | Data 8-K Oct 22, 2019 Oct 22, 2019
8-K Report | Data 8-K Oct 2, 2019 Sep 30, 2019
8-K Report | Data 8-K Oct 1, 2019 Sep 30, 2019
10-Q Report | Data 10-Q Jul 24, 2019 Jun 30, 2019
8-K Report 8-K Jul 23, 2019 Jul 23, 2019
8-K Report 8-K Jun 6, 2019 Jun 5, 2019
10-Q Report | Data 10-Q Apr 24, 2019 Mar 31, 2019
8-K Report 8-K Apr 23, 2019 Apr 23, 2019
10-K Report | Data 10-K Feb 28, 2019 Dec 31, 2018
8-K Report 8-K Feb 26, 2019 Feb 26, 2019
SC 13G/A Report Feb 14, 2019
SC 13G/A Report NONE Feb 14, 2019
SC 13G/A Report Feb 13, 2019
SC 13G Report Feb 13, 2019
SC 13G/A Report SEC SCHEDULE 13G Feb 12, 2019
SC 13G/A Report JANUS HENDERSON GROUP PLC ANNUAL AMENDMENT Feb 12, 2019
SC 13G/A Report Feb 11, 2019
SC 13G Report Feb 8, 2019
10-Q Report | Data 10-Q Oct 24, 2018 Sep 30, 2018
8-K Report 8-K Oct 23, 2018 Oct 23, 2018
10-Q Report | Data 10-Q Jul 25, 2018 Jun 30, 2018
8-K Report 8-K Jul 24, 2018 Jul 24, 2018
8-K Report 8-K Jun 6, 2018 Jun 6, 2018
10-Q Report | Data 10-Q Apr 25, 2018 Mar 31, 2018
8-K Report 8-K Apr 23, 2018 Apr 23, 2018
10-K Report | Data 2017 10-K Feb 23, 2018 Dec 31, 2017
8-K Report 8-K Feb 21, 2018 Feb 21, 2018
SC 13G Report Feb 14, 2018
SC 13G/A Report NONE Feb 14, 2018
SC 13G Report Feb 14, 2018
SC 13G Report RE-FILING UNDER NEW JANUS HENDERSON GROUP PLC POST MERGER Feb 13, 2018
SC 13G/A Report JCM CLOSEOUT LETTER BECAUSE JCM MERGED WITH JANUS HENDERSON GROUP PLC Feb 13, 2018
SC 13G/A Report Feb 9, 2018
SC 13G Report SEC SCHEDULE 13G Feb 8, 2018
8-K Report 8-K Jan 17, 2018 Jan 17, 2018
8-K Report 8-K Nov 28, 2017 Nov 24, 2017
10-Q Report | Data 10-Q Oct 26, 2017 Sep 30, 2017
8-K Report 8-K Oct 25, 2017 Oct 25, 2017
8-K Report FORM 8-K Oct 3, 2017 Oct 3, 2017
8-K Report 8-K Sep 13, 2017 Sep 12, 2017
10-Q Report | Data 10-Q Jul 27, 2017 Jun 30, 2017
8-K Report | Data 8-K Jul 26, 2017 Jul 26, 2017
8-K Report 8-K - ANNUAL MEETING RESULTS Jun 7, 2017 Jun 6, 2017
10-Q Report | Data 10-Q Apr 27, 2017 Mar 31, 2017
8-K Report 8-K 2017 1Q Apr 27, 2017 Apr 26, 2017
10-K Report | Data 2016 10-K Feb 24, 2017 Dec 31, 2016
8-K Report FORM 8-K Feb 22, 2017 Feb 22, 2017
SC 13G/A Report NONE Feb 14, 2017
SC 13G Report 13G Feb 13, 2017
SC 13G/A Report SC 13G/A CSGP 12.31.16 Feb 13, 2017
SC 13G/A Report Feb 10, 2017
SC 13G/A Report SEC SCHEDULE 13G Feb 9, 2017
10-Q Report | Data 10-Q Oct 27, 2016 Sep 30, 2016
8-K Report FORM 8-K Oct 27, 2016 Oct 26, 2016
10-Q Report | Data 10-Q Jul 28, 2016 Jun 30, 2016
8-K Report 8-K Jul 27, 2016 Jul 27, 2016
8-K Report 8-K 2016 ANNUAL MEETING RESULTS Jun 9, 2016 Jun 9, 2016
10-Q Report | Data 10-Q Apr 28, 2016 Mar 31, 2016
8-K Report | Data FORM 8-K Apr 27, 2016 Apr 27, 2016
10-K Report | Data 2015 10-K Feb 26, 2016 Dec 31, 2015
8-K Report FORM 8-K 4Q 2015 PRESS RELEASE Feb 24, 2016 Feb 24, 2016
SC 13G Report CSGP SC13G Feb 16, 2016
SC 13G/A Report NONE Feb 16, 2016
SC 13G Report SEC SCHEDULE 13G Feb 11, 2016
SC 13G/A Report Feb 11, 2016
SC 13G/A Report Feb 10, 2016
SC 13G Report WINSLOW CAPITAL MANAGEMENT LLC 13G CSGP 12-31-15 Feb 1, 2016
SC 13G Report Jan 29, 2016
8-K Report FORM 8-K ITEM 5.02 Nov 19, 2015 Nov 19, 2015
10-Q Report | Data 10-Q Oct 29, 2015 Sep 30, 2015
8-K Report FORM 8-K Oct 28, 2015 Oct 28, 2015
10-Q Report | Data 10-Q Jul 30, 2015 Jun 30, 2015
8-K Report FORM 8-K Jul 30, 2015 Jul 30, 2015
8-K Report FORM 8-K Jul 29, 2015 Jul 29, 2015
8-K Report 8-K Jun 5, 2015 Jun 5, 2015
10-Q Report | Data 10-Q Apr 30, 2015 Mar 31, 2015
8-K Report 8-K Apr 29, 2015 Apr 27, 2015
SC 13G/A Report Mar 10, 2015
10-K Report | Data 2014 10-K Feb 26, 2015 Dec 31, 2014
8-K Report FORM 8-K 4Q 2014 PRESS RELEASE Feb 26, 2015 Feb 25, 2015
SC 13G/A Report NONE Feb 17, 2015
8-K Report FORM 8-K Feb 17, 2015 Feb 17, 2015
SC 13G/A Report Feb 11, 2015
SC 13G Report Feb 10, 2015
SC 13G Report WINSLOW CAPITAL MANAGEMENT LLC CSGP 13G 2-5-15 Feb 5, 2015
SC 13G Report WINSLOW CAPITAL MANAGEMENT LLC CSGP 13G FILING 12-1714 Dec 17, 2014
10-Q Report | Data 10-Q Oct 30, 2014 Sep 30, 2014
8-K Report 8-K Oct 29, 2014 Oct 29, 2014
10-Q Report | Data 10-Q Jul 25, 2014 Jun 30, 2014
8-K Report 8-K Jul 24, 2014 Jul 23, 2014
SC 13G/A Report Jul 10, 2014
8-K Report FORM 8-K Jun 11, 2014 Jun 11, 2014
8-K Report 8-K Jun 3, 2014 Jun 2, 2014
8-K/A Report FORM 8-K/A Jun 2, 2014 Apr 1, 2014
8-K Report 8-K May 16, 2014 May 16, 2014
10-Q Report | Data 10-Q Apr 24, 2014 Mar 31, 2014
8-K Report 8-K Apr 23, 2014 Apr 23, 2014
8-K Report 8-K Apr 4, 2014 Apr 1, 2014
8-K Report 8-K Mar 3, 2014 Mar 3, 2014
10-K Report | Data 2013 10-K Feb 20, 2014 Dec 31, 2013
8-K Report 8-K Feb 19, 2014 Feb 19, 2014
SC 13G/A Report NONE Feb 14, 2014
SC 13G/A Report Feb 12, 2014
SC 13G/A Report SCHEDULE 13G AMENDMENT NO. 7 Feb 10, 2014
SC 13G/A Report Jan 28, 2014
10-Q Report | Data 10-Q Oct 24, 2013 Sep 30, 2013
8-K Report 8-K Oct 23, 2013 Oct 23, 2013
8-K Report 8-K Oct 8, 2013 Oct 4, 2013
8-K Report 8-K Sep 25, 2013 Sep 19, 2013
10-Q Report | Data 10-Q Jul 24, 2013 Jun 30, 2013
8-K Report 8-K Jul 24, 2013 Jul 24, 2013
8-K Report 8-K Jun 6, 2013 Jun 4, 2013
10-Q Report | Data 10-Q Apr 25, 2013 Mar 31, 2013
8-K Report 8-K Apr 24, 2013 Apr 24, 2013
10-K Report | Data 2012 10-K Mar 1, 2013 Dec 31, 2012
8-K Report 8-K Feb 28, 2013 Feb 25, 2013
SC 13G/A Report NONE Feb 14, 2013
SC 13G/A Report Feb 13, 2013
SC 13G/A Report MSIM EXIT Feb 13, 2013
SC 13G Report Feb 12, 2013
SC 13G/A Report SCHEDULE 13G AMENDMENT NO. 6 Feb 11, 2013
SC 13G/A Report CSGP AS OF 12/31/2012 Feb 8, 2013
SC 13G/A Report Feb 6, 2013
SC 13G/A Report 13G/A CSGP 12-31-12 Jan 31, 2013
10-Q Report | Data 10-Q Oct 25, 2012 Sep 30, 2012
8-K Report 8-K Oct 24, 2012 Oct 24, 2012
8-K Report 8-K Oct 2, 2012 Sep 27, 2012
8-K/A Report CURRENT REPORT, ITEM 9.01 Aug 14, 2012 Apr 30, 2012
10-Q Report | Data 2012 2Q 10Q Jul 26, 2012 Jun 30, 2012
8-K Report CURRENT REPORT ON FORM 8-K Jul 26, 2012 Jul 25, 2012
8-K/A Report CURRENT REPORT, ITEM 9.01 Jun 22, 2012 Apr 30, 2012
8-K Report Jun 8, 2012 Jun 5, 2012
8-K Report CURRENT REPORT, ITEMS 7.01, 9.01 May 2, 2012 May 2, 2012
8-K Report CURRENT REPORT, ITEMS 1.01, 2.01, 2.03, 8.01, 9.01 Apr 30, 2012 Apr 30, 2012
10-Q Report | Data 2012 1Q 10Q Apr 27, 2012 Mar 31, 2012
8-K Report CURRENT REPORT, ITEM 8.01 Apr 26, 2012 Apr 26, 2012
8-K Report CURRENT REPORT, ITEM 2.02, 9.01 Apr 26, 2012 Apr 25, 2012
8-K Report CURRENT REPORT, ITEM 8.01 Apr 17, 2012 Apr 17, 2012
10-K Report | Data 2011 10-K Feb 23, 2012 Dec 31, 2011
8-K Report CURRENT REPORT, ITEM 5.02 Feb 23, 2012 Feb 21, 2012
8-K Report CURRENT REPORT, ITEMS 1.01, 2.02, 2.03, 9.01 Feb 23, 2012 Feb 16, 2012
SC 13G/A Report 13G/A ANNUAL Feb 14, 2012
SC 13G/A Report Feb 14, 2012
SC 13G/A Report NONE Feb 14, 2012
SC 13G Report Feb 13, 2012
SC 13G Report Feb 9, 2012
SC 13G/A Report 12/31/2011 Feb 8, 2012
SC 13G/A Report MSIM AMENDMENT Feb 8, 2012
SC 13G/A Report SCHEDULE 13G AMENDMENT NO. 5 Feb 8, 2012
8-K Report CURRENT REPORT, ITEM 8.01 Jan 31, 2012 Jan 31, 2012
SC 13G/A Report Jan 20, 2012
8-K Report CURRENT REPORT, ITEM 8.01 Jan 4, 2012 Jan 3, 2012
8-K Report CURRENT REPORT, ITEM 8.01 Nov 4, 2011 Nov 4, 2011
10-Q Report | Data 2011 3Q 10-Q Oct 27, 2011 Sep 30, 2011
8-K Report CURRENT REPORT, ITEMS 2.02, 8.01, 9.01 Oct 27, 2011 Oct 26, 2011
10-Q Report | Data 2011 2Q QUARTERLY REPORT Jul 28, 2011 Jun 30, 2011
8-K Report CURRENT REPORT, ITEMS 2.02, 9.01 Jul 27, 2011 Jul 27, 2011
8-K Report CURRENT REPORT Jul 11, 2011 Jul 11, 2011
8-K Report CURRENT REPORT, ITEM 8.01 Jul 1, 2011 Jun 30, 2011
SC 13G/A Report Jun 10, 2011
8-K Report CURRENT REPORT, ITEMS 5.02, 5.07, 9.01 Jun 8, 2011 Jun 2, 2011
8-K Report CURRENT REPORT, ITEMS 8.01 AND 9.01 Jun 1, 2011 Jun 1, 2011
8-K Report FORM 8-K May 23, 2011 May 20, 2011
SC 13D Report SC 13D May 6, 2011
10-Q Report 2011 1Q 10-Q Apr 29, 2011 Mar 31, 2011
8-K Report ITEMS 1.01, 9.01 Apr 28, 2011 Apr 27, 2011
8-K Report CURRENT REPORT, ITEMS 8.01, 9.01 Apr 27, 2011 Apr 27, 2011
8-K Report CURRENT REPORT, ITEMS 2.02, 9.01 Apr 27, 2011 Apr 27, 2011
8-K Report CURRENT REPORT, ITEMS 5.03, 9.01 Apr 6, 2011 Apr 6, 2011
10-K Report 2010 FORM 10-K Feb 25, 2011 Dec 31, 2010
8-K Report CURRENT REPORT, ITEMS 2.02, 9.01 Feb 24, 2011 Feb 18, 2011
SC 13G/A Report Feb 14, 2011
SC 13G/A Report Feb 14, 2011
SC 13G/A Report Feb 14, 2011
SC 13G Report CSGP AS OF 12/31/2010 Feb 9, 2011
SC 13G/A Report SC 13G/A Feb 9, 2011
SC 13G/A Report AM MSIM AMENDMENT Feb 9, 2011
SC 13G Report Feb 3, 2011
8-K Report ITEMS 1.01, 2.01 Feb 3, 2011 Feb 2, 2011
SC 13G Report Jan 21, 2011
10-Q Report 3Q 2010 QUARTERLY REPORT Oct 22, 2010 Sep 30, 2010
8-K Report CURRENT REPORT, ITEMS 2.02, 9.01 Oct 21, 2010 Oct 20, 2010
10-Q Report 2Q 2010 QUARTERLY REPORT Jul 23, 2010 Jun 30, 2010
8-K Report CURRENT REPORT, ITEMS 1.02, 2.02 AND 9.01 Jul 22, 2010 Jul 20, 2010
8-K Report CURRENT REPORT, ITEMS 5.02, 5.07 AND 9.01 Jun 8, 2010 Jun 2, 2010
10-Q Report 1Q 2010 QUARTERLY REPORT Apr 23, 2010 Mar 31, 2010
8-K Report CURRENT REPORT, ITEMS 2.02 AND 9.01 Apr 22, 2010 Apr 21, 2010
10-K/A Report ANNUAL REPORT Mar 4, 2010 Dec 31, 2009
10-K Report ANNUAL REPORT Feb 26, 2010 Dec 31, 2009
8-K Report CURRENT REPORT Feb 24, 2010 Feb 24, 2010
SC 13G Report Feb 16, 2010
SC 13G/A Report DOC ONE Feb 16, 2010
SC 13G/A Report CSGP 13G/A 12/31/09 Feb 16, 2010
SC 13G/A Report AM-AMENDMENT-MSIM Feb 12, 2010
SC 13G/A Report SC 13G/A Feb 12, 2010
SC 13G/A Report Feb 9, 2010
SC 13G/A Report SC 13G/A Feb 9, 2010
8-K Report FORM 8-K Feb 8, 2010 Feb 2, 2010
SC 13G/A Report Feb 4, 2010
SC 13G Report Jan 29, 2010
10-Q Report 3Q 2009 QUARTERLY REPORT Nov 4, 2009 Sep 30, 2009
10-Q Report 2Q 2009 10-Q Jul 31, 2009 Jun 30, 2009
10-Q Report 1Q 2009 10-Q May 8, 2009 Mar 31, 2009
10-K Report ANNUAL REPORT Feb 24, 2009 Dec 31, 2008
10-Q Report 3Q 2008 10-Q Nov 6, 2008 Sep 30, 2008
10-Q Report 2Q 2008 10-Q Jul 25, 2008 Jun 30, 2008
10-Q Report 1Q 2008 REPORT May 9, 2008 Mar 31, 2008