Monitor for any forthcoming material news (earnings, guidance, or operational update) that may have prompted the CEO to sell. The cluster is small relative to market cap but involves the top executive, warranting attention over the next few weeks.
Price Chart
Executive Summary
Two insiders at BillionToOne, including Chairman and CEO Oguzhan Atay, sold a combined $1.50M in open-market sales over a week. The CEO's sale of $732K and another officer's sale of $769K represent approximately 0.46% of the company's $326M market cap, a modest but notable insider selling cluster.
Key Financial Metrics
Key Facts
- Chairman and CEO Oguzhan Atay sold 7,200 shares for $732K on 2026-09-14
- Officer Lynch Thomas P. sold 7,000 shares for $769K on 2026-09-17
- Total insider sales of $1.50M represent ~0.46% of market cap ($326M)
- All sales are open-market (code S) with no disclosed 10b5-1 plan
Financial Impact
Insider selling of $1.50M, or 0.46% of market cap, is modest but above the 0.1% threshold for a bearish signal
Risk Factors
- Insider selling may signal management's view that shares are fully valued or that near-term headwinds exist
- No disclosed 10b5-1 plan increases the likelihood of discretionary selling
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-BLLN-1790031646498 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 30, 2026 25d ago | Insider Cluster | $105.76 | awaiting T+60 | — | $110.14 (−4.15%) |
Sep 28, 2026 27d ago | Insider Cluster | $118.18 | awaiting T+60 | — | $110.14 (+6.80%) |
Sep 23, 2026 4w ago | Insider Cluster | $124.90 | awaiting T+60 | — | $110.14 (+11.81%) |
Sep 22, 2026 4w ago | Institutional Cluster | $116.07 | awaiting T+60 | — | $110.14 (−5.10%) |
Sep 21, 2026 4w ago | Insider Cluster | $116.07 | awaiting T+60 | — | $110.14 (+5.10%) |
Sep 16, 2026 5w ago | Insider Cluster | $110.67 | awaiting T+60 | — | $110.14 (+0.47%) |
Sep 11, 2026 6w ago | Insider Cluster | $100.82 | awaiting T+60 | — | $110.14 (+9.25%) |
Sep 11, 2026 6w ago | Insider Cluster | $100.82 | awaiting T+60 | — | $110.14 (+9.25%) |
Aug 27, 2026 8w ago | Insider Cluster | $93.24 | awaiting T+60 | — | $110.14 (+18.13%) |
Aug 27, 2026 8w ago | Insider Cluster | $93.24 | awaiting T+60 | — | $110.14 (+18.13%) |
US Market Status
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