John Lister

Insider Reports History

Location: San Diego, CA
Signature: /s/ Thomas P. Lynch, Attorney-in-Fact
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by John Lister:

Form 4 holding Chief Administrative Officer

BillionToOne, Inc.

Security class: Stock Option (right to buy)
Shares / value: 133,300
Estimated value
Report date: 07 Nov 2025
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Insider Reports Filed by John Lister

4

BillionToOne, Inc.

Report period: 07 Nov 2025
Transactions: 2
Transaction value: $0
Filing time: 12 Nov 2025, 18:09
Role: Chief Administrative Officer
Next action: Open filing details

3

BillionToOne, Inc.

Report period: 05 Nov 2025
Transactions: 0
Transaction value: $0
Filing time: 05 Nov 2025, 21:30
Role: Chief Administrative Officer
Next action: Open filing details

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