COSTAR GROUP, INC. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Arlington, VA
SEC filing record 1 source field available
Fiscal year end
31 December
COSTAR GROUP, INC. has filed 1,518 SEC EDGAR filings since 13 Mar 1998

SEC filing history

Showing 926-950 of 1,000 matching filings.

Per page
25
Current page
38
4

PRIMARY DOCUMENT

Filing date
23 Feb 2012
Reporting date
21 Feb 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-24531

CURRENT REPORT, ITEM 5.02

Filing date
23 Feb 2012
Reporting date
21 Feb 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-24531

CURRENT REPORT, ITEMS 1.01, 2.02, 2.03, 9.01

Filing date
23 Feb 2012
Reporting date
16 Feb 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
425

CURRENT REPORT, ITEMS 1.01, 2.02, 2.03, 9.01

Filing date
23 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
14 Feb 2012
Reporting date
13 Feb 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

13G/A ANNUAL

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

SC 13G/A filing

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

NONE

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-54369

SC 13G filing

Filing date
13 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-54369

SC 13G filing

Filing date
09 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

12/31/2011

Filing date
08 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

MSIM AMENDMENT

Filing date
08 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

SCHEDULE 13G AMENDMENT NO. 5

Filing date
08 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
5

PRIMARY DOCUMENT

Filing date
31 Jan 2012
Reporting date
31 Dec 2011
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-24531

CURRENT REPORT, ITEM 8.01

Filing date
31 Jan 2012
Reporting date
31 Jan 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
425

CURRENT REPORT, ITEM 8.01

Filing date
31 Jan 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-54369

SC 13G/A filing

Filing date
20 Jan 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-24531

CURRENT REPORT, ITEM 8.01

Filing date
04 Jan 2012
Reporting date
03 Jan 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
425

CURRENT REPORT, ITEM 8.01

Filing date
04 Jan 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
08 Dec 2011
Reporting date
06 Dec 2011
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
07 Nov 2011
Reporting date
04 Nov 2011
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-24531

CURRENT REPORT, ITEM 8.01

Filing date
04 Nov 2011
Reporting date
04 Nov 2011
SEC evidence
Open document Open filing
Next action
Verify source filing
425

CURRENT REPORT, ITEM 8.01

Filing date
04 Nov 2011
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
03 Nov 2011
Reporting date
01 Nov 2011
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-24531

2011 3Q 10-Q

Filing date
27 Oct 2011
Reporting date
30 Sep 2011
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .