Annexon, Inc. — Director's Dealing 2021

Jun 7, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Annexon, Inc. (ANNX)
CIK: 0001528115
Period of Report: 2021-06-03

Reporting Person: Yednock Ted (EVP & Chief Scientific Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-03	Common Stock	M	15000	$1.4096	Acquired	15000	Direct
2021-06-03	Common Stock	S	12816	$21.4485	Disposed	2184	Direct
2021-06-03	Common Stock	S	2184	$21.7220	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-03	Stock Option (Right to Buy)	$1.4096	M	15000	Disposed	2025-01-22	Common Stock (15000)	Direct

Footnotes

F1: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2: This transaction was executed in multiple trades in prices ranging from $20.67 to $21.66, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F3: This transaction was executed in multiple trades in prices ranging from $21.665 to $21.85, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F4: The shares subject to the option vest are fully vested and exercisable.