Sakakibara Shan Riku, Chief Product Officer exercised 1,355 shares of BillionToOne, Inc. ($BLLN) @ $30.78 ($41,706.90 total) on Jul 9, 2026

Sakakibara Shan Riku – Chief Product Officer

Jul 9, 2026

52W Low$61.96

Current$93.3940.2% above low, 59.8% below high

Purchase$30.78-39.8% above low, 139.8% below high

52W High$140.21

1,355

Price

$30.78

Total Value

$41,706.90

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	1,355
Price per Share	$30.78
Total Value	$41,706.90
Shares Owned After	62,528
Derivative	Derivative (Class A Common Stock)
Accession Number	0002088547-26-000006
Document	View SEC Filing