<SEC-DOCUMENT>0001193125-25-044233-index.html : 20250303
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<ACCEPTANCE-DATETIME>20250303170119
ACCESSION NUMBER:		0001193125-25-044233
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20250303
DATE AS OF CHANGE:		20250303
EFFECTIVENESS DATE:		20250303

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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-285514
		FILM NUMBER:		25699183

	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
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<SEQUENCE>1
<FILENAME>d889909ds8.htm
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<TEXT>
Document 1 - file: d889909ds8.htm

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<DOCUMENT>
<TYPE>EX-5.1
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<FILENAME>d889909dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d889909dex51.htm

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<DOCUMENT>
<TYPE>EX-23.2
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<FILENAME>d889909dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: d889909dex232.htm

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<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>d889909dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: d889909dexfilingfees.htm

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g889909g0228093336237.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g889909g0228093336237.jpg

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