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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
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −1,482 $107.31 $159K 23,519
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −4,009 $108.25 $434K 19,510
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −5,720 $109.08 $624K 13,790
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −3,803 $110.29 $419K 9,987
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −1,117 $110.98 $124K 8,870
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −536 $112.44 $60K 8,334
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −974 $107.34 $105K 7,360
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −2,075 $108.43 $225K 5,285
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −2,451 $109.11 $267K 2,834
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −2,223 $110.35 $245K 611
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −411 $111.03 $46K 200
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −200 $112.39 $22K 0
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −2,667 $113.17 $302K 143,834
2026-11-02 Atay Oguzhan Chairman and CEO Sale 10b5-1 −2,667 $113.17 $302K 141,167
2026-11-02 Tsao David Chief Technology Officer Sale 10b5-1 −917 $107.31 $98K 20,083
2026-11-02 Tsao David Chief Technology Officer Sale 10b5-1 −2,320 $108.24 $251K 17,763
2026-11-02 Tsao David Chief Technology Officer Sale 10b5-1 −3,241 $109.04 $353K 14,522
2026-11-02 Tsao David Chief Technology Officer Sale 10b5-1 −1,992 $110.13 $219K 12,530
2026-11-02 Tsao David Chief Technology Officer Sale 10b5-1 −1,130 $110.77 $125K 11,400
2026-11-02 Tsao David Chief Technology Officer Sale 10b5-1 −300 $112.19 $34K 11,100

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