July 13, 2026 · Form 4 insider transaction
Tsao David sold 3,835 shares of BillionToOne, Inc. at $125.76 per share, a transaction worth $482.3K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026.; The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.295 to $126.2805 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.