COSTAR GROUP, INC. — S-1/A Filings
5 S-1/A filings on record
This page lists all S-1/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 5 S-1/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 |
|---|---|---|---|---|
| S-1/A | REALTY INFORMATION GROUP PART II FILING FOR S-1/A | 0000950133-99-001588 | Apr 30, 1999 | — |
| S-1/A | FORM S-1/A | 0001005150-98-000643 | Jun 30, 1998 | — |
| S-1/A | FORM S-1/A | 0001005150-98-000593 | Jun 12, 1998 | — |
| S-1/A | FORM S-1/A | 0001005150-98-000494 | May 14, 1998 | — |
| S-1/A | FORM S-1/A | 0001005150-98-000402 | Apr 27, 1998 | — |