0001057352-23-000145.txt : 20231109 0001057352-23-000145.hdr.sgml : 20231109 20231109160518 ACCESSION NUMBER: 0001057352-23-000145 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231108 FILED AS OF DATE: 20231109 DATE AS OF CHANGE: 20231109 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: 231392266 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 wk-form4_1699563906.xml FORM 4 X0508 4 2023-11-08 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 0 Common Stock, par value $0.01 per share 2023-11-08 4 S 0 1500 77.86 D 273615 D Average based on sales prices ranging from $77.79 to $77.99. /s/ Michael Rosenthall, Attorney-in-Fact 2023-11-09