Trade Summary

4 days ago, Sakakibara Shan Riku, serving as Chief Product Officer at BillionToOne, Inc. (BLLN), sold 8,000 shares at $110.00 per share, for a total transaction value of $880,000.00. Following this transaction, Sakakibara Shan Riku now holds 208,000 shares of BLLN.

This sale represents a 3.70% decrease in Sakakibara Shan Riku's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Wednesday, June 24, 2026 and publicly disclosed via SEC Form 4 filing on Friday, June 26, 2026 at 5:20 PM ET, 2 days after the trade was made.