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BillionToOne, Inc. — Insider Transactions

Form 4 filings by directors, officers, and 10%+ shareholders

SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.

Overview All Filings Annual Quarterly Insiders
Insider Title Type Shares Price Value Owns After Date
Lynch Thomas P. See Remarks Other 600 — — 600 Nov 7, 2025
Atay Oguzhan See Remarks C 262,434 — — 262,434 Nov 7, 2025
Tsao David Chief Technology Officer Other 2,325,108 — — — Nov 7, 2025
Sakakibara Shan Riku Chief Product Officer Other 220,000 — — 220,000 Nov 7, 2025
ten Bosch John Roderick See Remarks Other 37,000 — — 37,000 Nov 7, 2025
Johnson Nancy JoAnn See Remarks Other 29,000 — — — Nov 7, 2025
Rai Akshay — Purchase 2,500 $60.00 $150,000 13,509 Nov 7, 2025
Rai Akshay — Other 11,009 — — 11,009 Nov 7, 2025
KOLLURI KRISHNA KITTU — Award / Grant 8,333 — — 8,333 Nov 7, 2025
Ileri Firat — Other 640,727 — — — Nov 7, 2025
Bremner Thomas S — Other 8,333 — — — Nov 7, 2025
Neotribe SPV I BTO, LLC — Other 2,819,490 — — — Nov 7, 2025