Lynch Thomas P. bought BLLN
September 17, 2026 · Form 4 insider transaction
Lynch Thomas P. bought 5,840 shares of BillionToOne, Inc. at $30.78 per share, a transaction worth $179.8K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
5,840
Price
$30.78
Total value
$179.8K
InsiderLynch Thomas P.
RoleOfficer
CompanyBillionToOne, Inc. (BLLN)
SecurityClass A Common Stock
Transaction codeM: Option exercise
Transaction dateSeptember 17, 2026
Filing dateSeptember 21, 2026
Shares owned after35,812
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 8, 2026.