BillionToOne, Inc. (BLLN) has 24 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 13 sales totalling $20.2M. Most recent filing: Sept. 16, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 16, 2026 filed Sept. 14, 2026 | Atay Oguzhan Chairman and CEO | −$532,733 | 80,329 | −1% | Yes | |
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| Sept. 14, 2026 filed Sept. 10, 2026 | Sakakibara Shan Riku Chief Product Officer | $0 | 3,500 | −2% | No | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | ten Bosch John Roderick SVP of Laboratory Operations | −$138,117 | 1,416 | −5% | Yes | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Tsao David Chief Technology Officer | $1,919,400 | 60,000 | 0% | Yes | |
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| Sept. 10, 2026 filed Sept. 8, 2026 | Lynch Thomas P. See Remarks | $1,826,880 | 60,000 | 0% | Yes | |
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Showing the 5 most recent of 24 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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