Atay Oguzhan bought BLLN
August 5, 2026 · Form 4 insider transaction
Atay Oguzhan bought 15,539 shares of BillionToOne, Inc. at $2.80 per share, a transaction worth $43.5K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
15,539
Price
$2.80
Total value
$43.5K
InsiderAtay Oguzhan
RoleOfficer, Director
CompanyBillionToOne, Inc. (BLLN)
SecurityClass A Common Stock
Transaction codeM: Option exercise
Transaction dateAugust 5, 2026
Filing dateAugust 7, 2026
Shares owned after15,539
OwnershipDirect
10b5-1 planNo
AmendedNo