0001950047-23-001523.txt : 20230612 0001950047-23-001523.hdr.sgml : 20230612 20230612190851 ACCESSION NUMBER: 0001950047-23-001523 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230612 DATE AS OF CHANGE: 20230612 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 231009801 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Wheeler Scott T CENTRAL INDEX KEY: 0001661073 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O COSTAR GROUP, INC. STREET 2: 1331 L STREET NW CITY: WASHINGTON STATE: DC ZIP: 20005 144 1 primary_doc.xml 144 0001661073 XXXXXXXX LIVE 0001057352 COSTAR GROUP INC. 000-24531 1331 L Street, NW Washington DC 20005 (202) 346-6500 SCOTT WHEELER Officer Common Morgan Stanley Smith Barney LLC

1 New York Plaza 38th Floor New York NY 10004

24670 1990481.68 408539209 06/12/2023 NASD Common 02/28/2021 Restricted Stock Issuer N 9490 02/28/2021 Not Applicable Common 02/15/2021 Restricted Stock Issuer N 15180 02/15/2021 Not Applicable Y 06/12/2023 /s/ Scott T. Wheeler