Atay Oguzhan bought BLLN
October 14, 2026 · Form 4 insider transaction
Atay Oguzhan bought 3,183 shares of BillionToOne, Inc. at $2.80 per share, a transaction worth $8.9K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
3,183
Price
$2.80
Total value
$8.9K
InsiderAtay Oguzhan
RoleOfficer, Director
CompanyBillionToOne, Inc. (BLLN)
SecurityClass A Common Stock
Transaction codeM: Option exercise
Transaction dateOctober 14, 2026
Filing dateOctober 16, 2026
Shares owned after3,183
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2026.