0001057352-24-000063.txt : 20240430 0001057352-24-000063.hdr.sgml : 20240430 20240430161349 ACCESSION NUMBER: 0001057352-24-000063 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240426 FILED AS OF DATE: 20240430 DATE AS OF CHANGE: 20240430 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DESMARAIS MICHAEL J CENTRAL INDEX KEY: 0001925959 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 24897382 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] ORGANIZATION NAME: 07 Trade & Services 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_1714508016.xml FORM 4 X0508 4 2024-04-26 0 0001057352 COSTAR GROUP, INC. CSGP 0001925959 DESMARAIS MICHAEL J C/O COSTAR GROUP, INC. 1331 L STREET NW WASHINGTON DC 20005 0 1 0 0 Chief Human Resources Officer 0 Common Stock, par value $0.01 per share 2024-04-26 4 S 0 3800 92.67 D 64087 D Average based on sales prices ranging from $92.67 to $92.70. /s/ Michael Rosenthall, Attorney-in-Fact 2024-04-30