Muneer A. Satter - Feb 10, 2023 Form 4 Insider Report for Annexon, Inc. (ANNX)

Role: Director, 10%+ Owner
Signature: /s/ Muneer A. Satter
Stock symbol: ANNX
Transactions as of: Feb 10, 2023
Transactions value $: $17,999,994
Form type: 4
Date filed: 2/14/2023, 03:31 PM
Previous filing: Jul 11, 2022
Next filing: Jun 12, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ANNX	Common Stock	Purchase	$18M	+2.65M	+60.04%	$6.80	7.06M	Feb 10, 2023	See footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.

Content

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.

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.