Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001057352-12-000140
Filing Date
2012-10-01
Accepted
2012-10-01 18:43:55
Documents
1
Period of Report
2012-09-27

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 3240
  Complete submission text file 0001057352-12-000140.txt   4566
Mailing Address 1331 L STREET NW WASHINGTON DC 20005
Business Address 1331 L STREET NW WASHINGTON DC 20005 2023466500
COSTAR GROUP INC (Issuer) CIK: 0001057352 (see all company filings)

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

Mailing Address 1997 ANNAPOLIS EXCHANGE PARKWAY SUITE 410 ANNAPOLIS MD 21401
Business Address
Hill John W (Reporting) CIK: 0001351689 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24531 | Film No.: 121121146