CURRENT REPORT, ITEMS 7.01, 9.01

Company

COSTAR GROUP, INC.

Filed

May 2, 2012

Period of Report

May 2, 2012

Accession Number

0001057352-12-000082

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 →