CoStar Group(CSGP) - 2018 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number 0-24531 https://files.reportify.cc/media/production/CSGP697eaddf63a7734338cd46a36759a67f.jpg CoStar Group, Inc. (Exact name of registrant as specified in its charter) Delaware 52-2091509 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identificatio ...