4processed

Form 4 — Insider Transaction

BillionToOne, Inc.(BLLN)

Filing Date

June 15, 2026

Accepted

June 15, 2026

Accession No.

0002087126-26-000002

CIK

0002070849

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
ten Bosch John RoderickSee RemarksOther1.4K$101.4736.4KClass A Common StockJun 15, 2026
ten Bosch John RoderickSee RemarksOther1.4K$101.4735.0KClass A Common StockJun 15, 2026