BillionToOne CEO Oguzhan Atay sells $1.09 million in stock

BillionToOne CEO Oguzhan Atay sold shares valued at approximately $1.09 million on October 14 and 15, 2026. Mr. Atay's direct sales included 3,083 shares at an average price of $98.3198 and an additional 100 shares at $99.0 per share. His spouse indirectly sold shares totaling about $261,366 at $98.0 per share. Despite the stock's 24% increase over six months, it currently trades at $98.12, below its previous close of $102.73.

The company has a market capitalization of $4.85 billion and a P/E ratio of 137.73, placing it among the most overvalued companies. On October 14, Mr. Atay acquired 3,183 shares of Class A Common Stock by exercising stock options at $2.8 per share. The insider sales occurred under Rule 10b5-1 trading plans.