Lynch Thomas P. bought BLLN

September 8, 2026 · Form 4 insider transaction

Lynch Thomas P. bought 3,969 shares of BillionToOne, Inc. at $11.55 per share, a transaction worth $45.8K. 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
3,969
Price
$11.55
Total value
$45.8K
RoleOfficer
SecurityClass A Common Stock
Transaction codeM: Option exercise
Transaction dateSeptember 8, 2026
Filing dateSeptember 10, 2026
Shares owned after15,711
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.

View the original Form 4 on SEC EDGAR