Billiontoone director and CTO David Tsao reports $2.18 million common share sale
BLLN•BillionToOne Chief Technology Officer and director David Tsao sold 20,000 Class A common shares on November 2, 2026. He also exercised options for 20,000 shares at $2.80 each.
1. Share transactions
After the transactions, Tsao directly held 1,000 Class A common shares and 516,667 stock options.
