The CEO's $2.33M sale is the largest single trade, but at 0.05% of market cap it is not a material signal of distress. Monitor for any upcoming earnings or material news that could explain the timing.
Price Chart
Executive Summary
BillionToOne insiders sold a total of $2.46M in stock over a 7-day window, including a $2.33M sale by the Chairman and CEO. While the dollar amount is modest relative to the $4.6B market cap (~0.05%), the cluster includes the CEO and an SVP, which warrants attention. The CTO also exercised and sold shares, but those are non-cash derivative exercises paired with open-market sales, adding to the selling pressure.
Key Financial Metrics
Key Facts
- Chairman and CEO Oguzhan Atay sold 15,500 shares for $2.33M on 2026-08-05.
- SVP of Laboratory Operations John Roderick ten Bosch sold 1,417 shares for $132K on 2026-08-10.
- CTO David Tsao exercised 10,000 derivative shares at $2.80 and immediately sold them for $928,600 on 2026-08-10.
- Total insider sales in the cluster: $2.46M, representing ~0.05% of the $4.6B market cap.
- The CTO's exercise-and-sell pattern is typical of option monetization, not a fresh bearish signal.
Financial Impact
Total insider sales of $2.46M, or ~0.05% of market cap, are below the 0.1% threshold for materiality.
Risk Factors
- CEO selling could signal reduced conviction ahead of a catalyst or earnings.
- CTO's derivative exercise and sale adds to supply, though it is routine option monetization.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-BLLN-1786575765419 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 30, 2026 26d ago | Insider Cluster | $105.76 | awaiting T+60 | — | $111.46 (−5.39%) |
Sep 28, 2026 28d ago | Insider Cluster | $118.18 | awaiting T+60 | — | $111.46 (+5.68%) |
Sep 23, 2026 4w ago | Insider Cluster | $124.90 | awaiting T+60 | — | $111.46 (+10.76%) |
Sep 22, 2026 4w ago | Institutional Cluster | $116.07 | awaiting T+60 | — | $111.46 (−3.97%) |
Sep 21, 2026 5w ago | Insider Cluster | $116.07 | awaiting T+60 | — | $111.46 (+3.97%) |
Sep 16, 2026 5w ago | Insider Cluster | $110.67 | awaiting T+60 | — | $111.46 (−0.72%) |
Sep 11, 2026 6w ago | Insider Cluster | $100.82 | awaiting T+60 | — | $111.46 (+10.56%) |
Sep 11, 2026 6w ago | Insider Cluster | $100.82 | awaiting T+60 | — | $111.46 (+10.56%) |
Aug 27, 2026 8w ago | Insider Cluster | $93.24 | awaiting T+60 | — | $111.46 (+19.55%) |
Aug 27, 2026 8w ago | Insider Cluster | $93.24 | awaiting T+60 | — | $111.46 (+19.55%) |
US Market Status
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