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Filing metadata

Accession number: 0001057352-12-000091
Form type: Form 4
Filer: COSTAR GROUP INC
CIK: CIK 1057352
Filed: May 15, 2012
Reporting period: May 11, 2012
Description: Insider transaction

Documents

0001057352-12-000091-index.htm

Complete submission

0001057352-12-000091.txt

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Filed by

COSTAR GROUP INC