0001950047-25-005215.txt : 20250728 0001950047-25-005215.hdr.sgml : 20250728 20250728161015 ACCESSION NUMBER: 0001950047-25-005215 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20250728 DATE AS OF CHANGE: 20250728 SUBJECT COMPANY: 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 EIN: 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: 251155683 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: SAINT FREDERICK G. CENTRAL INDEX KEY: 0001500076 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: LOOPNET, INC. STREET 2: 181 W. HUNTINGTON DRIVE, SUITE 208 CITY: MONROVIA STATE: CA ZIP: 91016 144 1 primary_doc.xml 144 0001500076 XXXXXXXX LIVE 0001057352 COSTAR GROUP, INC. 000-24531 1201 Wilson Blvd Arlington VA 22209 (202) 346-6500 FREDERICK SAINT Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

25000 2330827.50 423650362 07/28/2025 NASDAQ Common 02/15/2021 Restricted Stock Issuer N 8750 02/15/2021 Not Applicable Common 02/28/2021 Restricted Stock Issuer N 250 02/28/2021 Not Applicable Common 04/01/2020 Restricted Stock Issuer N 3920 04/01/2020 Not Applicable Common 03/01/2021 Performance Shares Issuer N 12080 03/01/2021 Not Applicable N FREDERICK SAINT

1201 Wilson Blvd Arlington VA 22209

Common 06/11/2025 4860 394123.16 FREDERICK SAINT

1201 Wilson Blvd Arlington VA 22209

Common 06/11/2025 15820 1282927.65 FREDERICK SAINT

1201 Wilson Blvd Arlington VA 22209

Common 06/11/2025 4320 350331.70 07/28/2025 /s/ Frederick G. Saint