Oguzhan Atay, Director, Chairman and Chief Executive Officer, on August 03, 2026, sold 45,000 shares in BillionToOne (BLLN) for $6,167,960. Following the Form 4 filing with the SEC, Atay has control over a total of 162,500 Class A common shares of the company, with 162,500 controlled indirectly.
SEC Filing: