4processed

Form 4 — Insider Transaction

BillionToOne, Inc.(BLLN)

Filing Date

June 8, 2026

Accepted

June 8, 2026

Accession No.

0002070849-26-000036

CIK

0002070849

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Johnson Nancy JoAnnSee RemarksOther2.9K$99.08733.0KClass A Common StockJun 8, 2026
Johnson Nancy JoAnnSee RemarksOther300$100.0532.7KClass A Common StockJun 8, 2026
Johnson Nancy JoAnnSee RemarksOther200$100.98532.5KClass A Common StockJun 8, 2026
Johnson Nancy JoAnnSee RemarksOther4.7K$99.27227.8KClass A Common StockJun 9, 2026
Johnson Nancy JoAnnSee RemarksOther2.7K$101.37625.1KClass A Common StockJun 9, 2026
Johnson Nancy JoAnnSee RemarksOther1.8K$102.33723.3KClass A Common StockJun 9, 2026
Johnson Nancy JoAnnSee RemarksOther1.4K$100.30821.9KClass A Common StockJun 9, 2026