0001057352-21-000046.txt : 20210311 0001057352-21-000046.hdr.sgml : 20210311 20210311162324 ACCESSION NUMBER: 0001057352-21-000046 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210310 FILED AS OF DATE: 20210311 DATE AS OF CHANGE: 20210311 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: 21733610 MAIL ADDRESS: STREET 1: C/O COSTAR GROUP INC STREET 2: 1331 L STREET, NW CITY: WASHINGTON STATE: DC ZIP: 20005 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 FORMER COMPANY: FORMER CONFORMED NAME: COSTAR GROUP INC DATE OF NAME CHANGE: 19990805 4 1 wf-form4_161549778879435.xml FORM 4 X0306 4 2021-03-10 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 2021-03-10 4 S 0 19570 818.37 D 76085 D Average based on sales prices ranging from $811.48 to $837.01. Represents all shares of Common Stock owned, consisting of 15,191 shares of Common Stock and 58,468 shares of Common Stock subject to unvested Restricted Stock grants, 1,213 shares of Deferred Stock Units and 1,213 shares of unvested Restricted Stock Units. /s/ Jeannette Koonce, Attorney-in-Fact 2021-03-11