<SEC-DOCUMENT>0001274737-22-000040-index.html : 20220621
<SEC-HEADER>0001274737-22-000040.hdr.sgml : 20220621
<ACCEPTANCE-DATETIME>20220621083215
ACCESSION NUMBER:		0001274737-22-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220616
FILED AS OF DATE:		20220621
DATE AS OF CHANGE:		20220621

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Stokes Frank
		CENTRAL INDEX KEY:			0001782815

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39049
		FILM NUMBER:		221026199

	MAIL ADDRESS:	
		STREET 1:		C/O CASTLE BIOSCIENCES
		STREET 2:		820 S. FRIENDSWOOD DRIVE, SUITE 201
		CITY:			FRIENDSWOOD
		STATE:			TX
		ZIP:			77546

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXAGEN INC.
		CENTRAL INDEX KEY:			0001274737
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1261 LIBERTY WAY
		CITY:			VISTA
		STATE:			CA
		ZIP:			92081
		BUSINESS PHONE:		(760) 560-1501

	MAIL ADDRESS:	
		STREET 1:		1261 LIBERTY WAY
		CITY:			VISTA
		STATE:			CA
		ZIP:			92081

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EXAGEN DIAGNOSTICS INC
		DATE OF NAME CHANGE:	20031230
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_165581472086924.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_165581472086924.html

Document 1 - RAW XML: wf-form4_165581472086924.xml

</DOCUMENT>
</SEC-DOCUMENT>