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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001057352-03-000009
Filing Date
2003-09-04
Accepted
2003-09-04 17:38:02
Documents
1
Period of Report
2003-09-04

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 2850
  Complete submission text file 0001057352-03-000009.txt   4729
Mailing Address 2 BETHESDA METRO CENTER BETHESDA MD 20814
Business Address 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814 3012158300
COSTAR GROUP INC (Issuer) CIK: 0001057352 (see all company filings)

IRS No.: 522091508 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7389 Services-Business Services, NEC

Mailing Address 77 WEST WACKER DRIVE SUITE 3900 CHICAGO IL 60601
Business Address 77 WEST WACKER DR STE 3900 CHICAGO IL 60601 3129171300
NASSETTA CHRISTOPHER J (Reporting) CIK: 0001078095 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24531 | Film No.: 03882201