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CIK 0002070849 · Non-accelerated filer<br>Emerging growth company

BillionToOne, Inc.

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Ticker
BLLN
Exchange
Nasdaq
Industry
Services-Medical Laboratories
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
811082020
Phone
650-460-2551
Business address
1035 O'BRIEN DRIVE, MENLO PARK, CA
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$26,737,121
in 19 filings, $26.7M under 10b5-1 plans

Net −$26,737,121. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2025-11-07 Lynch Thomas P. See Remarks Purchase +100 $60.00 $6K 700
2025-11-07 Tsao David Chief Technology Officer Purchase +1,000 $60.00 $60K 1,000
2025-11-07 ten Bosch John Roderick See Remarks Purchase +800 $60.00 $48K 37,800
2025-11-07 Johnson Nancy JoAnn See Remarks Purchase +6,900 $60.00 $414K 35,900
2025-11-07 Rai Akshay Director Purchase +2,500 $60.00 $150K 13,509
2025-11-07 Bremner Thomas S Director Purchase +4,016 $60.00 $241K 156,456
2025-11-07 Bremner Thomas S Director Purchase +4,084 $60.00 $245K 159,795
2025-11-07 Bremner Thomas S Director Purchase +3,462 $60.00 $208K 179,733
2025-11-07 Bremner Thomas S Director Purchase +5,446 $60.00 $327K 275,364
2025-11-07 Bremner Thomas S Director Purchase +6,867 $60.00 $412K 246,939
2025-11-07 Bremner Thomas S Director Purchase +17,791 $60.00 $1.1M 693,143

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