This insider cluster is routine and offers no actionable signal. Monitor for any upcoming earnings or corporate events that could trigger more significant insider activity, but this sale pattern is likely personal liquidity management.
Price Chart
Executive Summary
Three insiders at BillionToOne (BLLN) sold a total of $857K worth of shares in open-market transactions over a 7-day window, representing 0.02% of the company's $4.6B market cap. The selling is trivial in size and likely reflects routine diversification or tax planning, not a negative signal on fundamentals.
Key Financial Metrics
Key Facts
- Total open-market sales: $857K across 3 insiders (Johnson Nancy JoAnn, Sakakibara Shan Riku, Atay Oguzhan)
- Largest seller: Johnson Nancy JoAnn, 4,666 shares at ~$99.27 for $463K on 2026-06-09
- CPO Sakakibara Shan Riku sold 4,000 shares at ~$96.45 for $386K on 2026-06-08
- Atay Oguzhan sold only 79 shares but also exercised derivatives and converted shares (non-cash events)
- Sales represent ~0.02% of market cap, well below the 0.1% threshold for materiality
- No insider purchases in the cluster; two additional insiders engaged in non-cash transactions (gifts, conversions)
Financial Impact
Total open-market selling of $857K, immaterial relative to $4.6B market cap
Risk Factors
- No material risk identified from this cluster; selling is too small in dollar value to indicate insider concern
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-1781211712872 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 30, 2026 26d ago | Insider Cluster | $105.76 | awaiting T+60 | — | $107.77 (−1.90%) |
Sep 28, 2026 28d ago | Insider Cluster | $118.18 | awaiting T+60 | — | $107.77 (+8.81%) |
Sep 23, 2026 4w ago | Insider Cluster | $124.90 | awaiting T+60 | — | $107.77 (+13.71%) |
Sep 22, 2026 4w ago | Institutional Cluster | $116.07 | awaiting T+60 | — | $107.77 (−7.15%) |
Sep 21, 2026 5w ago | Insider Cluster | $116.07 | awaiting T+60 | — | $107.77 (+7.15%) |
Sep 16, 2026 5w ago | Insider Cluster | $110.67 | awaiting T+60 | — | $107.77 (+2.62%) |
Sep 11, 2026 6w ago | Insider Cluster | $100.82 | awaiting T+60 | — | $107.77 (+6.89%) |
Sep 11, 2026 6w ago | Insider Cluster | $100.82 | awaiting T+60 | — | $107.77 (+6.89%) |
Aug 27, 2026 8w ago | Insider Cluster | $93.24 | awaiting T+60 | — | $107.77 (+15.58%) |
Aug 27, 2026 8w ago | Insider Cluster | $93.24 | awaiting T+60 | — | $107.77 (+15.58%) |
US Market Status
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