InsiderTrades

Form 4 for BLLN BillionToOne, Inc.

Accepted 2026-09-11 18:01:38 ET · period of report 2026-09-09 · accession 0002087126-26-000011 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
T 2026-09-11 18:01 2026-09-09 BLLN ten Bosch John Roderick SVP of Laboratory Ops S - Sale $97.54 -1,416 25.1K -5% -$138.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-09-09 S D 1,416 $97.54 25,051 D — — (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026.