Summary
Updated Aug 31, 2026
Jung Choi files SEC Form 4 reports at Annexon, Inc. (ANNX). 2 SEC Form 4 filings on record going back to 2025, most recently on 15 June 2026. Most recent open-market trade: bought $138K of ANNX on 3 December 2025. Lifetime open-market purchases: $138K.
Recent Transactions
1Every recent SEC Form 4 transaction Jung Choi has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jung Choi go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $138K (1 buy totaling $138K). The largest single buy on record is $138K of ANNX in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Jung Choi files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Muneer A. Satter - $11.97M of ANNX open-market activity in the last 12 months
- William H. Carson - $194K of ANNX open-market activity in the last 12 months
- Ted Yednock - $70K of ANNX open-market activity in the last 12 months
- Jennifer Lew - $70K of ANNX open-market activity in the last 12 months
- Dean Richard Artis - $59K of ANNX open-market activity in the last 12 months
- Jamie Dananberg - $59K of ANNX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jung Choi?
Jung Choi is a corporate insider of Annexon, Inc. (ANNX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jung Choi submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jung Choi been buying or selling stock?
Recorded transactions: 1 open-market purchase ($138K) and 0 open-market sales across all tracked filings.
Where can I see all of Jung Choi's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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