<SEC-DOCUMENT>0001140361-24-022034-index.html : 20240425
<SEC-HEADER>0001140361-24-022034.hdr.sgml : 20240425
<ACCEPTANCE-DATETIME>20240425160540
ACCESSION NUMBER:		0001140361-24-022034
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20240425
DATE AS OF CHANGE:		20240425

FILER:

	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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39402
		FILM NUMBER:		24876220

	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>DEFA14A
<SEQUENCE>1
<FILENAME>ny20020644x2_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: ny20020644x2_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>ny20020644x2_pc01.jpg
<TEXT>
Document 2 - file: ny20020644x2_pc01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>ny20020644x2_pc02.jpg
<TEXT>
Document 3 - file: ny20020644x2_pc02.jpg

</DOCUMENT>
</SEC-DOCUMENT>