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COSTAR GROUP, INC. — 10-K Filings

26 10-K filings on record

This page lists all 10-K filings submitted to the SEC by COSTAR GROUP, INC. (CSGP), sorted by most recent first. Each row links to the full filing on EdgarLookup. COSTAR GROUP, INC. has filed 26 10-K documents with the SEC since 2011. To view all SEC filings by COSTAR GROUP, INC., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 144 3 4 4/A 424B1 424B2 424B3 424B4 425 5 8-A12G 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A EFFECT FWP POS EX PRE 14A PX14A6G RW S-1 S-1/A S-1MEF S-3 S-3/A S-3ASR S-3MEF S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0001057352-26-000020 Feb 26, 2026 Dec 31, 2025
10-K 10-K 0001057352-25-000016 Feb 20, 2025 Dec 31, 2024
10-K 10-K 0001057352-24-000013 Feb 22, 2024 Dec 31, 2023
10-K 10-K 0001057352-23-000030 Feb 22, 2023 Dec 31, 2022
10-K 10-K 0001057352-22-000027 Feb 23, 2022 Dec 31, 2021
10-K 10-K 0001057352-21-000032 Feb 24, 2021 Dec 31, 2020
10-K 10-K 0001057352-20-000036 Feb 26, 2020 Dec 31, 2019
10-K 10-K 0001057352-19-000017 Feb 28, 2019 Dec 31, 2018
10-K 2017 10-K 0001057352-18-000011 Feb 23, 2018 Dec 31, 2017
10-K 2016 10-K 0001057352-17-000008 Feb 24, 2017 Dec 31, 2016
10-K 2015 10-K 0001057352-16-000103 Feb 26, 2016 Dec 31, 2015
10-K 2014 10-K 0001057352-15-000012 Feb 26, 2015 Dec 31, 2014
10-K 2013 10-K 0001057352-14-000006 Feb 20, 2014 Dec 31, 2013
10-K 2012 10-K 0001057352-13-000013 Mar 1, 2013 Dec 31, 2012
10-K 2011 10-K 0001057352-12-000024 Feb 23, 2012 Dec 31, 2011
10-K 2010 FORM 10-K 0001057352-11-000012 Feb 25, 2011 Dec 31, 2010
10-K ANNUAL REPORT 0001057352-10-000004 Feb 26, 2010 Dec 31, 2009
10-K ANNUAL REPORT 0001057352-09-000013 Feb 24, 2009 Dec 31, 2008
10-K ANNUAL REPORT 0001057352-08-000004 Feb 29, 2008 Dec 31, 2007
10-K COSTAR GROUP, INC. FORM 10-K 0000950133-07-000829 Feb 28, 2007 Dec 31, 2006
10-K FORM 10-K 0000950133-06-001049 Mar 7, 2006 Dec 31, 2005
10-K FORM 10-K 0000950133-05-000993 Mar 11, 2005 Dec 31, 2004
10-K FORM 10-K 0000950133-04-000870 Mar 12, 2004 Dec 31, 2003
10-K FORM 10-K 0000950133-03-001053 Mar 28, 2003 Dec 31, 2002
10-K FORM 10-K 0000950133-00-001207 Mar 29, 2000 Dec 31, 1999
10-K FORM 10-K DATED DECEMBER 31, 1998 0000950133-99-001092 Mar 31, 1999 Dec 31, 1998