Mark Lappe
Chief Executive Officer, Director · Inhibrx Biosciences, Inc.
- 2026
- Oct 14, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Lappe 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.
- Jon Faiz Kayyem - $1.57M in INBX purchases and sales in the last 12 months
- Douglas Forsyth - $287K in INBX purchases and sales in the last 12 months
- Kimberly Manhard - $279K in INBX purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark Lappe?
Mark Lappe is a corporate insider, tracked as Chief Executive Officer, Director of Inhibrx Biosciences, Inc. (INBX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mark Lappe submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mark Lappe been buying or selling stock?
Recorded transactions: 16 open-market purchases ($4.49M) and 0 open-market sales across all tracked filings.
