0001057352-23-000147.txt : 20231129 0001057352-23-000147.hdr.sgml : 20231129 20231129160839 ACCESSION NUMBER: 0001057352-23-000147 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231128 FILED AS OF DATE: 20231129 DATE AS OF CHANGE: 20231129 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hill John W CENTRAL INDEX KEY: 0001351689 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 231452255 MAIL ADDRESS: STREET 1: 1997 ANNAPOLIS EXCHANGE PARKWAY STREET 2: SUITE 410 CITY: ANNAPOLIS STATE: MD ZIP: 21401 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_1701292104.xml FORM 4 X0508 4 2023-11-28 0 0001057352 COSTAR GROUP, INC. CSGP 0001351689 Hill John W C/O COSTAR GROUP, INC. 1331 L STREET, NW WASHINGTON DC 20005 1 0 0 0 0 Common Stock, par value $0.01 per share 2023-11-28 4 S 0 3020 84.07 D 17870 D Average based on sales prices ranging from $84.04 to $84.09. /s/ Michael Rosenthall, Attorney-in-Fact 2023-11-29