COSTAR GROUP, INC. reports

Company location: Arlington, VA
Fiscal year end: 31 December

COSTAR GROUP, INC. has filed 1,518 SEC EDGAR filings since 13 Mar 1998

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SEC filing history

Showing 51-75 of 1,000 matching filings.

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3

4

FORM 4

Filing date: 17 Nov 2025
Reporting date: 13 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 17 Nov 2025
Reporting date: 13 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-24531

144 filing

Filing date: 13 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-24531

10-Q

Filing date: 29 Oct 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 28 Oct 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2025
Reporting date: 09 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Sep 2025
Reporting date: 28 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-24531

144 filing

Filing date: 28 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 27 Aug 2025
Reporting date: 27 Aug 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 05 Aug 2025
Reporting date: 01 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 05 Aug 2025
Reporting date: 01 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 29 Jul 2025
Reporting date: 28 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 29 Jul 2025
Reporting date: 28 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-24531

144 filing

Filing date: 28 Jul 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-288892

S-8

Filing date: 23 Jul 2025
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 000-24531

10-Q

Filing date: 23 Jul 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 22 Jul 2025
Reporting date: 22 Jul 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jul 2025
Reporting date: 01 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 27 Jun 2025
Reporting date: 26 Jun 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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