Atay Oguzhan sold BLLN
October 14, 2026 · Form 4 insider transaction
Atay Oguzhan sold 2,667 shares of BillionToOne, Inc. at $98.00 per share, a transaction worth $261.4K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
2,667
Price
$98.00
Total value
$261.4K
InsiderAtay Oguzhan
RoleOfficer, Director
CompanyBillionToOne, Inc. (BLLN)
SecurityClass A Common Stock
Transaction codeS: Open-market sale
Transaction dateOctober 14, 2026
Filing dateOctober 16, 2026
Shares owned after149,168
OwnershipIndirect
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's spouse on June 7, 2026.; Represents shares held by the Reporting Person's spouse.