COSTAR GROUP, INC. — SC 13G/A Filings
101 SC 13G/A filings on record
This page lists all SC 13G/A 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 101 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-020690 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-003367 | Jan 25, 2024 | — |
| SC 13G/A | — | 0000080255-23-002543 | Feb 14, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-015713 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-004574 | Jan 30, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-107567 | Oct 11, 2022 | — |
| SC 13G/A | — | 0000080255-22-001987 | Feb 14, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016907 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-004591 | Feb 1, 2022 | — |
| SC 13G/A | — | 0000080255-21-001082 | Feb 16, 2021 | — |
| SC 13G/A | NONE | 0001567619-21-003571 | Feb 12, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017844 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-004002 | Jan 29, 2021 | — |
| SC 13G/A | 12/31/19 COSTAR | 0001274173-20-000066 | Feb 14, 2020 | — |
| SC 13G/A | NONE | 0001567619-20-003440 | Feb 14, 2020 | — |
| SC 13G/A | — | 0000080255-20-001104 | Feb 14, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017916 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-005325 | Feb 5, 2020 | — |
| SC 13G/A | — | 0000080255-19-003012 | Dec 10, 2019 | — |
| SC 13G/A | NONE | 0001567619-19-004013 | Feb 14, 2019 | — |
| SC 13G/A | — | 0000080255-19-002485 | Feb 14, 2019 | — |
| SC 13G/A | — | 0000900973-19-000005 | Feb 13, 2019 | — |
| SC 13G/A | JANUS HENDERSON GROUP PLC ANNUAL AMENDMENT | 0001274173-19-000042 | Feb 12, 2019 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000902219-19-000109 | Feb 12, 2019 | — |
| SC 13G/A | — | 0000932471-19-004857 | Feb 11, 2019 | — |
| SC 13G/A | NONE | 0001140361-18-007494 | Feb 14, 2018 | — |
| SC 13G/A | JCM CLOSEOUT LETTER BECAUSE JCM MERGED WITH JANUS HENDERSON GROUP PLC | 0000812295-18-000032 | Feb 13, 2018 | — |
| SC 13G/A | — | 0000932471-18-003364 | Feb 9, 2018 | — |
| SC 13G/A | NONE | 0001140361-17-006456 | Feb 14, 2017 | — |
| SC 13G/A | SC 13G/A CSGP 12.31.16 | 0000812295-17-000054 | Feb 13, 2017 | — |
| SC 13G/A | — | 0000932471-17-001476 | Feb 10, 2017 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000902219-17-000104 | Feb 9, 2017 | — |
| SC 13G/A | NONE | 0001140361-16-052587 | Feb 16, 2016 | — |
| SC 13G/A | — | 0000932471-16-010708 | Feb 10, 2016 | — |
| SC 13G/A | NONE | 0001140361-15-006910 | Feb 17, 2015 | — |
| SC 13G/A | — | 0000932471-15-005223 | Feb 11, 2015 | — |
| SC 13G/A | — | 0001086364-14-002395 | Jul 10, 2014 | — |
| SC 13G/A | NONE | 0001140361-14-007320 | Feb 14, 2014 | — |
| SC 13G/A | — | 0000932471-14-003859 | Feb 12, 2014 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT NO. 7 | 0001193125-14-042944 | Feb 10, 2014 | — |
| SC 13G/A | — | 0001086364-14-000650 | Jan 28, 2014 | — |
| SC 13G/A | NONE | 0001140361-13-006816 | Feb 14, 2013 | — |
| SC 13G/A | — | 0001532155-13-000040 | Feb 13, 2013 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT NO. 6 | 0001193125-13-047684 | Feb 11, 2013 | — |
| SC 13G/A | CSGP AS OF 12/31/2012 | 0000080255-13-000254 | Feb 8, 2013 | — |
| SC 13G/A | — | 0001086364-13-002693 | Feb 6, 2013 | — |
| SC 13G/A | 13G/A CSGP 12-31-12 | 0000812295-13-000013 | Jan 31, 2013 | — |
| SC 13G/A | NONE | 0001140361-12-007624 | Feb 14, 2012 | — |
| SC 13G/A | 13G/A ANNUAL | 0000812295-12-000018 | Feb 14, 2012 | — |
| SC 13G/A | — | 0001080389-12-000008 | Feb 14, 2012 | — |