The insider cluster is too small relative to market cap to carry a directional signal. Monitor for any unusual acceleration in insider selling or a change in pattern (e.g., non-10b5-1 sales). The lease expansion is a positive operational catalyst, but this cluster does not alter that view.
Price Chart
Executive Summary
BillionToOne insiders, including CEO Atay Oguzhan, sold ~$3.12M in shares over a 7-day window, representing less than 0.1% of the $5.5B market cap. The CEO's sales coincided with option exercises, suggesting a tax-motivated cashless exercise pattern. A recent 8-K (June 29) disclosed a major lease expansion, but the insider selling appears routine in size and structure.
Key Financial Metrics
Key Facts
- CEO Atay Oguzhan sold ~$2.85M in open-market shares on July 6, paired with option exercises of 46,250 shares at $2.80.
- Two other insiders (ten Bosch, Johnson) sold a combined $270K on June 29 and July 1.
- Total insider sales of ~$3.12M represent only 0.057% of BLLN's $5.5B market cap.
- A June 29 8-K announced a 12-year lease for ~62,659 sq ft with $46.7M in aggregate rent, triple oncology lab space, reflecting strong test volume growth.
Financial Impact
Insider sales of ~$3.12M, or 0.057% of market cap — de minimis.
Risk Factors
- CEO sales could increase if the stock continues to rise, potentially creating overhang.
- No material risk from current cluster.
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-1783577510728 |
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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