|4Nov 12, 6:09 PM ET

LISTER JOHN 4

4 · BillionToOne, Inc. · Filed Nov 12, 2025

Insider Transaction Report

Form 4
Period: 2025-11-07
LISTER JOHN
Chief Administrative Officer
Transactions
  • Other

    Stock Option (right to buy)

    2025-11-07133,3000 total
    Exercise: $23.15Exp: 2035-08-04Common Stock (133,300 underlying)
  • Other

    Stock Option (right to buy)

    2025-11-07+133,300133,300 total
    Exercise: $23.15Exp: 2035-08-04Class A Common Stock (133,300 underlying)
Footnotes (2)
  • [F1]Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was automatically reclassified into one share of Class A common stock immediately prior to the completion of the Issuer's initial public offering of Class A common stock.
  • [F2]The options are subject to a service-based vesting requirement, which shall be satisfied over a four-year period, with 25% of the options vesting on July 7, 2026. The remaining 75%. vest and become exercisable in equal monthly installments over the following three years, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.

Documents

1 file
  • 4
    ownership.xmlPrimary

    4