Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001257584-10-000002
Filing Date
2010-02-17
Accepted
2010-02-17 18:46:00
Documents
1
Period of Report
2010-02-16

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 3311
  Complete submission text file 0001257584-10-000002.txt   5092
Mailing Address 2 BETHESDA METRO CENTER 10TH FLOOR 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)

EIN.: 522091509 | Fiscal Year End: 1231
SIC: 7389 Services-Business Services, NEC

Mailing Address C/O COSTAR GROUP, INC. 2 BETHESDA METRO CENTER, 10TH FLOOR BETHESDA MD 20814
Business Address
Marples Paul (Reporting) CIK: 0001412635 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24531 | Film No.: 10614327