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 26-50 of 1,000 matching filings.

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25

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2

4

FORM 4

Filing date: 11 Mar 2026
Reporting date: 10 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Mar 2026
Reporting date: 06 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 02 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2026
Reporting date: 01 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 000-24531

10-K

Filing date: 26 Feb 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 24 Feb 2026
Reporting date: 24 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 18 Feb 2026
Reporting date: 15 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 18 Feb 2026
Reporting date: 15 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 18 Feb 2026
Reporting date: 15 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 18 Feb 2026
Reporting date: 15 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 13 Feb 2026
Reporting date: 13 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-24531

8-K

Filing date: 07 Jan 2026
Reporting date: 07 Jan 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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