SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

WIGGANS THOMAS G

(Last)

(First)

(Middle)

C/O ANNEXON, INC.

180 KIMBALL WAY, SUITE 200

(Street)

SOUTH SAN FRANCISCO

94080

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/23/2020

3. Issuer Name and Ticker or Trading Symbol
Annexon, Inc. [ ANNX ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	⁽¹⁾	02/28/2027	Common Stock	15,857⁽²⁾	$1.86⁽²⁾	D
Stock Option (Right to Buy)	⁽³⁾	01/22/2029	Common Stock	6,808⁽²⁾	$5.11⁽²⁾	D
Stock Option (Right to Buy)	⁽⁴⁾	06/29/2030	Common Stock	9,080⁽²⁾	$13.31⁽²⁾	D

Explanation of Responses:

1. 1/48th of the shares subject to the option vest on each monthly anniversary measured from February 28, 2017 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

2. Reflects a 1-for-8.81 reverse stock split of the Issuer's outstanding common stock effected on July 17, 2020.

3. 1/48th of the shares subject to the option vest on each monthly anniversary measured from December 12, 2018 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

4. 100% of the shares subject to the option vest on first anniversary measured from June 29, 2020.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Jennifer Lew, as Attorney-in-Fact for Thomas G. Wiggans	07/23/2020
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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