4processed

Form 4 — Insider Transaction

BillionToOne, Inc.(BLLN)

Filing Date

June 8, 2026

Accepted

June 8, 2026

Accession No.

0002088547-26-000002

CIK

0002070849

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Sakakibara Shan RikuChief Product OfficerOther4.0K$96.45216.0KClass A Common StockJun 8, 2026
Sakakibara Shan RikuChief Product OfficerOther4.0K$100212.0KClass A Common StockJun 8, 2026