0001057352-18-000043.txt : 20180323 0001057352-18-000043.hdr.sgml : 20180323 20180323162333 ACCESSION NUMBER: 0001057352-18-000043 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180322 FILED AS OF DATE: 20180323 DATE AS OF CHANGE: 20180323 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KLEIN MICHAEL R CENTRAL INDEX KEY: 0001066062 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 18710395 MAIL ADDRESS: STREET 1: 2001 K STREET, N.W. STREET 2: SUITE 206 CITY: WASHINGTON STATE: DC ZIP: 20006 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COSTAR GROUP INC CENTRAL INDEX KEY: 0001057352 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-BUSINESS SERVICES, NEC [7389] IRS NUMBER: 522091509 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1331 L STREET NW CITY: WASHINGTON STATE: DC ZIP: 20005 BUSINESS PHONE: 2023466500 MAIL ADDRESS: STREET 1: 1331 L STREET NW CITY: WASHINGTON STATE: DC ZIP: 20005 4 1 wf-form4_152183658000081.xml FORM 4 X0306 4 2018-03-22 0 0001057352 COSTAR GROUP INC CSGP 0001066062 KLEIN MICHAEL R C/O COSTAR GROUP, INC. 1331 L STREET, NW WASHINGTON DC 20005 1 0 0 0 Common Stock, par value $0.01 per share 2018-03-22 4 S 0 3000 361.61 D 289729 D Average based on sales prices ranging from $360.10 to $362.77. Represents all shares of Common Stock owned, consisting of 287,457 shares of Common Stock and 2,272 shares of Common Stock subject to unvested Restricted Stock grants. /s/ Jonathan Coleman, Attorney-in-Fact 2018-03-23