Trade Summary

3 days ago, Sakakibara Shan Riku, serving as Chief Product Officer at BillionToOne, Inc. (BLLN), sold 8,000 shares at $98.23 per share, for a total transaction value of $785,800.00. Following this transaction, Sakakibara Shan Riku now holds 212,000 shares of BLLN.

This sale represents a 3.64% decrease in Sakakibara Shan Riku's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, June 8, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, June 11, 2026 (accepted Jun 10, 8:36 PM ET), 3 days after the trade was made.