0001057352-21-000094.txt : 20210917 0001057352-21-000094.hdr.sgml : 20210917 20210917162414 ACCESSION NUMBER: 0001057352-21-000094 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210915 FILED AS OF DATE: 20210917 DATE AS OF CHANGE: 20210917 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: NASSETTA CHRISTOPHER J CENTRAL INDEX KEY: 0001078095 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 211260709 MAIL ADDRESS: STREET 1: 77 WEST WACKER DRIVE STREET 2: SUITE 3900 CITY: CHICAGO STATE: IL ZIP: 60601 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_163191024128495.xml FORM 4 X0306 4 2021-09-15 0 0001057352 COSTAR GROUP, INC. CSGP 0001078095 NASSETTA CHRISTOPHER J HILTON WORLDWIDE 7930 JONES BRANCH DRIVE, SUITE 1100 MCLEAN VA 22102 1 0 0 0 Common Stock, par value $0.01 per share 2021-09-15 4 A 0 3070 88.95 A 269300 D On June 25, 2021, CoStar Group, Inc. effected a 10-for-1 stock split. The number of shares reported throughout this Form 4 have been adjusted to reflect the stock split. Represents all shares of Common Stock owned, consisting of 257,160 shares of Common Stock and 12,140 shares of Common Stock subject to unvested Restricted Stock grants. /s/ Jeannette Koonce, Attorney-in-Fact 2021-09-17