Sakakibara Shan Riku sold BLLN
July 9, 2026 · Form 4 insider transaction
Sakakibara Shan Riku sold 1,117 shares of BillionToOne, Inc. at $125.00 per share, a transaction worth $139.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,117
Price
$125.00
Total value
$139.6K
InsiderSakakibara Shan Riku
RoleOfficer
CompanyBillionToOne, Inc. (BLLN)
SecurityClass A Common Stock
Transaction codeS: Open-market sale
Transaction dateJuly 9, 2026
Filing dateJuly 13, 2026
Shares owned after206,709
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 March 6, 2026.