InsiderTrades

Form 4 for BLLN BillionToOne, Inc.

Accepted 2026-07-06 20:38:08 ET · period of report 2026-07-01 · accession 0002087387-26-000002 · 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 2026-07-06 20:38 2026-07-01 BLLN Johnson Nancy JoAnn See Remarks S - Sale $124.91 -801 21.1K -4% -$100.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-07-01 S D 801 $124.91 21,099 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 March 6, 2026. (F2) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.900 to $124.940 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.