Mark S. Blumenkranz
Director · Annexon, Inc.
Individual
- 2026
- Aug 12, 2026
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark S. Blumenkranz 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 in ANNX purchases and sales in the last 12 months
- William H. Carson - $173K in ANNX purchases and sales in the last 12 months
- Jung Choi - $138K in ANNX purchases and sales in the last 12 months
- Douglas Love - $100K in ANNX purchases and sales in the last 12 months
- Ted Yednock - $70K in ANNX purchases and sales in the last 12 months
- Jennifer Lew - $70K in ANNX purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark S. Blumenkranz?
Mark S. Blumenkranz is a corporate insider, tracked as Director of Annexon, Inc. (ANNX). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mark S. Blumenkranz submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.