0001057352-17-000033.txt : 20170503 0001057352-17-000033.hdr.sgml : 20170503 20170503180239 ACCESSION NUMBER: 0001057352-17-000033 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170502 FILED AS OF DATE: 20170503 DATE AS OF CHANGE: 20170503 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: FLORANCE ANDREW C CENTRAL INDEX KEY: 0001066061 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 17810896 MAIL ADDRESS: STREET 1: C/O COSTAR GROUP INC STREET 2: 1331 L STREET, NW CITY: WASHINGTON STATE: DC ZIP: 20005 4 1 wf-form4_149384894152711.xml FORM 4 X0306 4 2017-05-02 0 0001057352 COSTAR GROUP INC CSGP 0001066061 FLORANCE ANDREW C C/O COSTAR GROUP, INC. 1331 L STREET, NW WASHINGTON DC 20005 1 1 0 0 President and CEO Common Stock, par value $0.01 per share 2017-05-02 4 M 0 21768 42.29 A 170653 D Common Stock, par value $0.01 per share 2017-05-02 4 S 0 21768 244.73 D 148885 D Common Stock, par value $0.01 per share 2017-05-03 4 M 0 21768 42.29 A 170653 D Common Stock, par value $0.01 per share 2017-05-03 4 S 0 21768 244.19 D 148885 D Option to Acquire Common Stock 42.29 2017-05-02 4 M 0 21768 0 D 2020-03-11 Common Stock 21768.0 21768 D Option to Acquire Common Stock 42.29 2017-05-03 4 M 0 21768 0 D 2020-03-11 Common Stock 21768.0 0 D Represents all shares of Common Stock owned, consisting of 99,646 shares of Common Stock and 71,007 shares of Common Stock subject to unvested Restricted Stock grants. Average based on sales prices ranging from $244.25 to $245.45. Represents all shares of Common Stock owned, consisting of 77,878 shares of Common Stock and 71,007 shares of Common Stock subject to unvested Restricted Stock grants. Average based on sales prices ranging from $242.94 to $245.76. The option vested in three equal installments on March 12, 2011, March 12, 2012 and March 12, 2013. /s/ Jeannette Koonce, Attorney-in-Fact 2017-05-03