COSTAR GROUP, INC. — DEFA14A Filings
16 DEFA14A filings on record
This page lists all DEFA14A 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 16 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001057352-25-000076 | Jun 13, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-108318 | May 1, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-24-117793 | Apr 26, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-122467 | Apr 27, 2023 | — |
| DEFA14A | DEFA14A | 0001057352-22-000047 | Apr 25, 2022 | — |
| DEFA14A | DEFA14A | 0001057352-21-000062 | Apr 26, 2021 | — |
| DEFA14A | DEFA14A | 0001057352-21-000060 | Apr 19, 2021 | — |
| DEFA14A | DEFA14A | 0001057352-20-000066 | Apr 24, 2020 | — |
| DEFA14A | DEFA14A | 0001057352-19-000050 | Apr 24, 2019 | — |
| DEFA14A | DEFA14A | 0001057352-18-000063 | Apr 24, 2018 | — |
| DEFA14A | DEFA14A | 0001057352-17-000021 | Apr 24, 2017 | — |
| DEFA14A | DEFA14A | 0001057352-16-000123 | Apr 26, 2016 | — |
| DEFA14A | 2015 PROXY STATEMENT NOTICE | 0001057352-15-000037 | Apr 20, 2015 | — |
| DEFA14A | DEFA14A | 0001057352-14-000032 | Apr 11, 2014 | — |
| DEFA14A | DEFA14A | 0001057352-13-000037 | Apr 25, 2013 | — |
| DEFA14A | NOTICE OF ACCESS | 0001057352-12-000050 | Apr 25, 2012 | — |