<SEC-DOCUMENT>0001193125-23-300043-index.html : 20231220
<SEC-HEADER>0001193125-23-300043.hdr.sgml : 20231220
<ACCEPTANCE-DATETIME>20231220172427
ACCESSION NUMBER:		0001193125-23-300043
CONFORMED SUBMISSION TYPE:	FWP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20231220
DATE AS OF CHANGE:		20231220

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Annexon, Inc.
		CENTRAL INDEX KEY:			0001528115
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				275414423
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		FWP
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-258863
		FILM NUMBER:		231502209

	BUSINESS ADDRESS:	
		STREET 1:		1400 SIERRA POINT PARKWAY
		STREET 2:		BLDG C, SUITE 200
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005
		BUSINESS PHONE:		(650)-822-5500

	MAIL ADDRESS:	
		STREET 1:		1400 SIERRA POINT PARKWAY
		STREET 2:		BLDG C, SUITE 200
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Annexon, Inc.
		CENTRAL INDEX KEY:			0001528115
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				275414423
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		FWP

	BUSINESS ADDRESS:	
		STREET 1:		1400 SIERRA POINT PARKWAY
		STREET 2:		BLDG C, SUITE 200
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005
		BUSINESS PHONE:		(650)-822-5500

	MAIL ADDRESS:	
		STREET 1:		1400 SIERRA POINT PARKWAY
		STREET 2:		BLDG C, SUITE 200
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005
</SEC-HEADER>
<DOCUMENT>
<TYPE>FWP
<SEQUENCE>1
<FILENAME>d672960dfwp.htm
<DESCRIPTION>FWP
<TEXT>
Document 1 - file: d672960dfwp.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g672960g1218171659746.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g672960g1218171659746.jpg

</DOCUMENT>
</SEC-DOCUMENT>