Trade Summary

6 days ago, Sakakibara Shan Riku, serving as Chief Product Officer at BillionToOne, Inc. (BLLN), sold 8,000 shares at $125.00 per share, for a total transaction value of $1,000,000.00. Following this transaction, Sakakibara Shan Riku now holds 204,000 shares of BLLN.

This sale represents a 3.77% decrease in Sakakibara Shan Riku's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Thursday, July 9, 2026 and publicly disclosed via SEC Form 4 filing on Monday, July 13, 2026 at 4:39 PM ET, 4 days after the trade was made.

BillionToOne, Inc. operates in the HEALTHCARE sector, specifically within the DIAGNOSTICS & RESEARCH industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.