Jung Choi - 01 Dec 2025 Form 4 Insider Report for Annexon, Inc. (ANNX)

Reporting relationship: Director
Issuer ticker: ANNX
Reported as of: 01 Dec 2025
Net transaction value: +$138,270
SEC form: 4
Accepted by SEC: 03 Dec 2025, 16:30:20 UTC
Prior SEC filing: 09 Jun 2025
Next SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer Lew, Attorney-in-Fact

Key filing fact

Jung Choi filed Form 4 for Annexon, Inc. (ANNX) on 03 Dec 2025.

Key facts

This page summarizes Jung Choi's Form 4 filing for Annexon, Inc. (ANNX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Dec 2025, 16:30.

Change

Previous filing in this sequence was filed on 09 Jun 2025.
Current net transaction value: +$138,270.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001650126 Primary reporting owner

Choi Jung

Relationship: Director
Address: C/O ANNEXON, INC., 1400 SIERRA POINT PKWY, BLDG C, STE 200, BRISBANE
Signature: /s/ Jennifer Lew, Attorney-in-Fact
Signature date: 03 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ANNX transaction

Common Stock

Purchase

Transaction value: $138,270
Shares: +33,000
Change %
Price: $4.19
Shares after: 33,000
Date: 01 Dec 2025
Ownership: By Trust
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

This transaction was executed in multiple trades in prices ranging from $4.165 to $4.215, inclusive. The price reported in Column 4 above reflects the weighted average purchase 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 purchased at each respective price within the range set forth in this footnote.

Footnote F2

These shares are held by The Park Family Revocable Trust. The Reporting Person and her spouse are co-trustees of the trust.