Lappe Mark
Executive buyerDirector, Chief Executive Officer · Inhibrx Biosciences, Inc.
Every open-market stock purchase Lappe Mark has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. This page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.
Where the buys stand today
- INBXInhibrx Biosciences, Inc.
26 purchases totalling $6.8M at an average of $33.43 per share. See all insider buying in INBX →
Avg price paid$33.43Latest price—Market capUnknown
Cluster participation
Qualifying buys grouped with other insiders buying the same stock — the pattern this site exists to catch.
All reported buys
| Date | Ticker | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Oct 14, 2026 | INBXcluster | 100 | $85.76 | $8.6K | SEC ↗ |
| Oct 14, 2026 | INBXcluster | 2,451 | $85.00 | $208.3K | SEC ↗ |
| Oct 14, 2026 | INBXcluster | 2,449 | $84.07 | $205.9K | SEC ↗ |
| Oct 14, 2026 | INBXcluster | 100 | $85.76 | $8.6K | SEC ↗ |
| Oct 14, 2026 | INBXcluster | 2,470 | $85.00 | $209.9K | SEC ↗ |
| Oct 14, 2026 | INBXcluster | 2,470 | $84.07 | $207.7K | SEC ↗ |
| Sep 28, 2026 | INBXcluster | 3,000 | $101.70 | $305.1K | SEC ↗ |
| Sep 28, 2026 | INBXcluster | 1,500 | $98.88 | $148.3K | SEC ↗ |
| Sep 25, 2026 | INBXcluster | 2,176 | $99.60 | $216.7K | SEC ↗ |
| Sep 25, 2026 | INBXcluster | 3,324 | $98.87 | $328.6K | SEC ↗ |
| Sep 8, 2026 | INBXcluster | 500 | $108.24 | $54.1K | SEC ↗ |
| Sep 8, 2026 | INBXcluster | 5,895 | $99.29 | $585.3K | SEC ↗ |
| Sep 8, 2026 | INBXcluster | 6,605 | $100.64 | $664.7K | SEC ↗ |
| Sep 8, 2026 | INBXcluster | 1,100 | $107.12 | $117.8K | SEC ↗ |
| Sep 8, 2026 | INBXcluster | 1,219 | $111.88 | $136.4K | SEC ↗ |
| Sep 8, 2026 | INBXcluster | 9,681 | $112.28 | $1.1M | SEC ↗ |
| Sep 16, 2024 | INBXcluster | 13,037 | $17.13 | $223.3K | SEC ↗ |
| Sep 12, 2024 | INBXcluster | 26,963 | $15.05 | $405.8K | SEC ↗ |
| Sep 10, 2024 | INBXcluster | 8,500 | $15.19 | $129.1K | SEC ↗ |
| Sep 9, 2024 | INBXcluster | 9,500 | $15.21 | $144.5K | SEC ↗ |
| Sep 6, 2024 | INBXcluster | 26,000 | $15.29 | $397.5K | SEC ↗ |
| Sep 3, 2024 | INBXcluster | 15,288 | $15.66 | $239.4K | SEC ↗ |
| Aug 30, 2024 | INBXcluster | 10,000 | $14.02 | $140.2K | SEC ↗ |
| Aug 29, 2024 | INBXcluster | 10,000 | $14.03 | $140.3K | SEC ↗ |
| Aug 21, 2024 | INBXcluster | 12,945 | $12.93 | $167.4K | SEC ↗ |
| Aug 20, 2024 | INBXcluster | 27,055 | $12.97 | $350.9K | SEC ↗ |
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About this data
Figures are parsed from Lappe Mark's Form 4 filings on SEC EDGAR (CIK 1366074) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.
This page is informational and reflects public filing data. It is not investment advice.