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BillionToOne, Inc.

BillionToOne, Inc. (BLLN) Insider Trading

26 transactions reported on SEC Form 4 — executive and director buys and sells.

Buys
0
Sells
13
Net value
$-5.7M
InsiderTitleTypeSharesValueDate
ten Bosch John RoderickSVP of Laboratory OperationsSell1,417$149.0K3d ago
Tsao DavidChief Technology OfficerSell866$91.7K3d ago
Tsao DavidChief Technology OfficerExercise10,000$28.0K3d ago
Atay OguzhanChairman and CEOSell8,333$1.0M10d ago
Atay OguzhanChairman and CEOExercise8,333$23.3K10d ago
Tsao DavidChief Technology OfficerExercise3,333$9.3K14d ago
ten Bosch John RoderickSVP of Laboratory OperationsSell1,416$169.9K14d ago
Tsao DavidChief Technology OfficerSell3,333$416.6K14d ago
Lynch Thomas P.See RemarksSell19,384$2.1M21d ago
Lynch Thomas P.See RemarksExercise19,384$167.7K21d ago
Sakakibara Shan RikuChief Product OfficerGift3,500—28d ago
Lynch Thomas P.See RemarksSell38$3.7KSep 8, 2026
Lynch Thomas P.See RemarksExercise11,042$95.5KSep 8, 2026
Atay OguzhanChairman and CEOC20,000—Sep 8, 2026
Atay OguzhanChairman and CEOGift20,000—29d ago
Tsao DavidChief Technology OfficerC20,000—Sep 3, 2026
Tsao DavidChief Technology OfficerGift20,000—Sep 8, 2026
ten Bosch John RoderickSVP of Laboratory OperationsSell1,417$141.7KAug 25, 2026
Tsao DavidChief Technology OfficerSell10,000$1.0MAug 25, 2026
Tsao DavidChief Technology OfficerExercise10,000$28.0KAug 25, 2026
Atay OguzhanChairman and CEOExercise20,000$56.0KAug 3, 2026
Atay OguzhanChairman and CEOSell269$35.8KAug 3, 2026
Johnson Nancy JoAnnSee RemarksSell2,133$270.9KJul 16, 2026
Atay OguzhanChairman and CEOSell1,320$156.4KJul 6, 2026
Atay OguzhanChairman and CEOExercise20,000$56.0KJul 6, 2026
Johnson Nancy JoAnnSee RemarksSell801$100.1KJul 1, 2026