<SEC-DOCUMENT>0001057352-22-000107-index.html : 20220915
<SEC-HEADER>0001057352-22-000107.hdr.sgml : 20220915
<ACCEPTANCE-DATETIME>20220915165651
ACCESSION NUMBER:		0001057352-22-000107
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220914
FILED AS OF DATE:		20220915
DATE AS OF CHANGE:		20220915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sams Louise S
		CENTRAL INDEX KEY:			0001796961

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24531
		FILM NUMBER:		221246336

	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]
		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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_166327539719796.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_166327539719796.html
Document 1 - RAW XML: wf-form4_166327539719796.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>2 <FILENAME>limitedpowerofattorney-sec.htm <DESCRIPTION>SAMS - POA <TEXT> Document 2 - file: limitedpowerofattorney-sec.htm
</DOCUMENT> </SEC-DOCUMENT>