0001057352-24-000024.txt : 20240226 0001057352-24-000024.hdr.sgml : 20240226 20240226200917 ACCESSION NUMBER: 0001057352-24-000024 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240222 FILED AS OF DATE: 20240226 DATE AS OF CHANGE: 20240226 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: 24681405 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_1708996146.xml FORM 4 X0508 4 2024-02-22 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 2024-02-22 4 A 0 16976 0 A 65059 D A historical Form 4 filed on behalf of the Reporting Person underreported the Reporting Person's beneficial ownership by an immaterial amount. The Reporting Person's ownership has been corrected on this Form 4. /s/ Michael Rosenthall, Attorney-in-Fact 2024-02-26