COSTAR GROUP, INC. — DEF 14A Filings
27 DEF 14A filings on record
This page lists all DEF 14A 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 27 DEF 14A documents with the SEC since 2011. To view all SEC filings by COSTAR GROUP, INC., see the full filings list.
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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001193125-25-107493 | Apr 30, 2025 | Jun 26, 2025 |
| DEF 14A | DEF 14A | 0001193125-24-117787 | Apr 26, 2024 | Jun 6, 2024 |
| DEF 14A | DEF 14A | 0001193125-23-122453 | Apr 27, 2023 | — |
| DEF 14A | DEF 14A | 0001057352-22-000045 | Apr 25, 2022 | Jun 9, 2022 |
| DEF 14A | DEF 14A | 0001057352-21-000059 | Apr 19, 2021 | Jun 2, 2021 |
| DEF 14A | DEF 14A | 0001057352-20-000065 | Apr 24, 2020 | Jun 3, 2020 |
| DEF 14A | DEF 14A | 0001057352-19-000049 | Apr 24, 2019 | Jun 5, 2019 |
| DEF 14A | DEF 14A | 0001057352-18-000061 | Apr 24, 2018 | Jun 6, 2018 |
| DEF 14A | DEF 14A | 0001057352-17-000019 | Apr 24, 2017 | Jun 6, 2017 |
| DEF 14A | DEF 14A | 0001057352-16-000121 | Apr 26, 2016 | Jun 9, 2016 |
| DEF 14A | 2015 PROXY STATEMENT | 0001057352-15-000036 | Apr 20, 2015 | Jun 3, 2015 |
| DEF 14A | DEF 14A | 0001057352-14-000030 | Apr 11, 2014 | Jun 2, 2014 |
| DEF 14A | DEF 14A | 0001057352-13-000035 | Apr 25, 2013 | Jun 4, 2013 |
| DEF 14A | 2012 DEFINITIVE PROXY | 0001057352-12-000048 | Apr 25, 2012 | Jun 5, 2012 |
| DEF 14A | 2011 PROXY STATEMETN | 0001057352-11-000055 | Apr 27, 2011 | — |
| DEF 14A | 2010 PROXY STATEMENT | 0001057352-10-000029 | Apr 30, 2010 | Jun 2, 2010 |
| DEF 14A | 2009 PROXY STATEMENT | 0001057352-09-000042 | Apr 30, 2009 | Jun 2, 2009 |
| DEF 14A | 2008 PROXY STATEMENT | 0001057352-08-000038 | Apr 29, 2008 | Jun 10, 2008 |
| DEF 14A | COSTAR GROUP DEFINITIVE PROXY STATEMENT | 0000950133-07-001961 | Apr 30, 2007 | Jun 7, 2007 |
| DEF 14A | COSTAR GROUP, INC. DEFINITIVE PROXY STATEMENT | 0000950133-06-002109 | Apr 28, 2006 | Jun 8, 2006 |
| DEF 14A | DEF 14A | 0000950133-05-001794 | Apr 28, 2005 | Jun 17, 2005 |
| DEF 14A | COSTAR PROXY STATEMENT | 0000950133-04-001633 | Apr 29, 2004 | Jun 9, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950133-03-001535 | Apr 30, 2003 | Jun 18, 2003 |
| DEF 14A | DEF 14A PROXY STATEMENT | 0000950133-02-001705 | Apr 30, 2002 | Jun 18, 2002 |
| DEF 14A | DEF 14A PROXY STATEMENT | 0000950133-01-500739 | Apr 27, 2001 | May 1, 2001 |
| DEF 14A | DEF 14A PROXY STATEMENT | 0000950133-00-001739 | Apr 28, 2000 | Jun 21, 2000 |
| DEF 14A | DEFINITIVE PROXY FOR REALTY INFORMATION GROUP | 0000950133-99-002210 | Jun 16, 1999 | Jul 13, 1999 |