4processed

Form 4 — Insider Transaction

BillionToOne, Inc.(BLLN)

Filing Date

June 29, 2026

Accepted

June 29, 2026

Accession No.

0002087126-26-000004

CIK

0002070849

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
ten Bosch John RoderickSee RemarksOther1.4K$12033.6KClass A Common StockJun 29, 2026