Sakakibara Shan Riku, Chief Product Officer exercised 1,117 shares of BillionToOne, Inc. ($BLLN) @ $30.78 ($34,381.26 total) on Jul 9, 2026

Sakakibara Shan Riku – Chief Product Officer

Jul 9, 2026

52W Low$61.96

Current$125.1482.3% above low, 17.7% below high

Purchase$30.78-40.6% above low, 140.6% below high

52W High$138.70

1,117

Price

$30.78

Total Value

$34,381.26

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	Sep 30, 2035
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	1,117
Price per Share	$30.78
Total Value	$34,381.26
Shares Owned After	63,883
Derivative	Derivative (Class A Common Stock)
Accession Number	0002088547-26-000006
Document	View SEC Filing