Annexon, Inc. — Director's Dealing 2023

Feb 14, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Annexon, Inc. (ANNX)
CIK: 0001528115
Period of Report: 2023-02-10

Reporting Person: Satter Muneer A (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-10	Common Stock	P	2647058	$6.80	Acquired	7056024	Indirect

Footnotes

F1: All shares were purchased by Alerce Medical Technology Partners, L.P. ("Alerce Medical") for which the Reporting Person has sole voting and dispositive power over all such shares. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

F2: Includes (a) 240,000 shares that are held by the Muneer A. Satter Revocable Trust for which the Reporting Person serves as trustee and, in such capacity, has sole voting and dispositive power over all such shares, (b) 567,240 shares that are held by various other trusts and other entities for which the Reporting Person serves as trustee, investment advisor or manager and, in such capacity, has sole voting and dispositive power over all such shares, (c) 1,147,738 shares that are held by Satter Medical Technology Partners, L.P. for which the Reporting Person has sole voting and dispositive power over all such shares and (d) 5,101,046 shares that are held by Alerce Medical for which the Reporting Person has sole voting and dispositive power of all such shares. The Reporting Person disclaims beneficial ownership of all shares included under (b), (c) and (d) of this footnote, except to the extent of his pecuniary interest.