CEO and director both buying stock at ~$99-100 suggests internal confidence ahead of any upcoming catalysts. Monitor for any corporate announcements (pipeline updates, partnership news) that may have prompted this cluster.
Price Chart
Executive Summary
Two INBX insiders — CEO Mark Lappe and Director Jon Faiz Kayyem — made open-market purchases totaling $829K over a week, with the CEO buying $329K at ~$98.87 and the director buying $500K at $100. The purchases represent about 0.25% of the company's $326M market cap, a modest but notable insider vote of confidence.
Key Financial Metrics
Key Facts
- CEO Mark Lappe purchased 3,300 shares at $98.87 for $329K on 2026-09-25
- Director Jon Faiz Kayyem purchased 5,000 shares at $100.00 for $500K on 2026-09-23
- Total insider buying cluster: $829K, all open-market purchases (code P)
- Cluster represents ~0.25% of INBX's $326M market cap
- No insider sales in the cluster window
Financial Impact
$829K in open-market purchases by CEO and director, ~0.25% of market cap
Risk Factors
- Small absolute dollar amount relative to market cap limits the signal's magnitude
- No disclosed 10b5-1 plans, but insider buying clusters can precede positive news that may already be priced in
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-INBX-1790632109003 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 14, 2026 11d ago | Insider Buy | $90.50 | awaiting T+60 | — | $88.82 (−1.86%) |
Sep 28, 2026 27d ago | Insider Cluster | $104.83 | awaiting T+60 | — | $88.82 (−15.28%) |
Sep 17, 2026 5w ago | Insider Cluster | $109.35 | awaiting T+60 | — | $88.82 (−18.78%) |
Sep 15, 2026 5w ago | Insider Cluster | $101.77 | awaiting T+60 | — | $88.82 (−12.73%) |
Sep 15, 2026 5w ago | 144 | $101.77 | awaiting T+60 | — | $88.82 (−12.73%) |
Sep 14, 2026 5w ago | 144 | $105.61 | awaiting T+60 | — | $88.82 (−15.90%) |
Sep 11, 2026 6w ago | 144 | $109.27 | awaiting T+60 | — | $88.82 (−18.72%) |
Sep 10, 2026 6w ago | Insider Cluster | $109.27 | awaiting T+60 | — | $88.82 (−18.72%) |
Sep 8, 2026 6w ago | Insider Cluster | $112.86 | awaiting T+60 | — | $88.82 (−21.31%) |
Sep 8, 2026 6w ago | Insider Buy | $112.86 | awaiting T+60 | — | $88.82 (−21.31%) |
US Market Status
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