CURRENT REPORT, ITEMS 5.02, 5.07 AND 9.01

Company

COSTAR GROUP, INC.

Filed

June 8, 2010

Period of Report

June 2, 2010

Accession Number

0001057352-10-000036

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →