Annexon, Inc. — Director's Dealing 2026

Mar 4, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Annexon, Inc. (ANNX)
CIK: 0001528115
Period of Report: 2026-03-02

Reporting Person: ARTIS DEAN RICHARD (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-02	Common Stock	S	5894	$5.43	Disposed	180093	Direct

Footnotes

F1: The shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").

F2: This transaction was executed in multiple trades in prices ranging from $5.35 to $5.56, 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.