<SEC-DOCUMENT>0001564590-21-015264-index.html : 20210325
<SEC-HEADER>0001564590-21-015264.hdr.sgml : 20210325
<ACCEPTANCE-DATETIME>20210325072016
ACCESSION NUMBER:		0001564590-21-015264
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210325
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210325
DATE AS OF CHANGE:		20210325

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Annexon, Inc.
		CENTRAL INDEX KEY:			0001528115
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				275414423
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39402
		FILM NUMBER:		21770112

	BUSINESS ADDRESS:	
		STREET 1:		180 KIMBALL WAY
		STREET 2:		SUITE 200
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		(650)-822-5500

	MAIL ADDRESS:	
		STREET 1:		180 KIMBALL WAY
		STREET 2:		SUITE 200
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>annx-8k_20210325.htm
<DESCRIPTION>8-K Q4'2020
<TEXT>
Document 1 - file: annx-8k_20210325.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>annx-ex991_6.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: annx-ex991_6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g1ujw3hod4qr000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g1ujw3hod4qr000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>