0001057352-21-000054.txt : 20210401 0001057352-21-000054.hdr.sgml : 20210401 20210401165046 ACCESSION NUMBER: 0001057352-21-000054 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210401 DATE AS OF CHANGE: 20210401 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ruggles Lisa CENTRAL INDEX KEY: 0001717178 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 21798800 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_161731018862475.xml FORM 4 X0306 4 2021-03-31 0 0001057352 COSTAR GROUP, INC. CSGP 0001717178 Ruggles Lisa C/O COSTAR GROUP, INC. 1331 L STREET, NW WASHINGTON DC 20005 0 1 0 0 Senior VP, Global Research Common Stock, par value $0.01 per share 2021-03-31 4 F 0 275 799.55 D 16296 D Represents all shares of Common Stock owned, consisting of 3,425 shares of Common Stock and 11,707 shares of Common Stock subject to unvested Restricted Stock grants, 582 shares of Deferred Stock Units and 582 shares of unvested Restricted Stock Units. /s/ Jeannette Koonce, Attorney-in-Fact 2021-04-01