Sakakibara Shan Riku, Chief Product Officer exercised 174 shares of BillionToOne, Inc. ($BLLN) @ $8.65 ($1,505.10 total) on Jul 9, 2026

Sakakibara Shan Riku – Chief Product Officer

Jul 9, 2026

52W Low$61.96

Current$97.4540.1% above low, 59.9% below high

Purchase$8.65-60.3% above low, 160.3% below high

52W High$150.44

174

Price

$8.65

Total Value

$1,505.10

Nearby Earnings

No earnings within 2 weeks of this transaction.

Insider	Sakakibara Shan Riku
Title	Chief Product Officer
Transaction Date	Jul 9, 2026
Expiration Date	Jan 18, 2033
Transaction Code	M Exercise/Conversion
Acquired/Disposed	Disposed
Security	Stock Option (right to buy) (Class A Common Stock)
Derivative	Yes
Direct/Indirect	Direct
Filing Date	Jul 13, 2026
Shares Purchased	174
Price per Share	$8.65
Total Value	$1,505.10
Shares Owned After	35,826
Derivative	Derivative (Class A Common Stock)
Accession Number	0002088547-26-000006
Document	View SEC Filing