Trade Summary

1 week ago, Johnson Nancy JoAnn, serving as See Remarks at BillionToOne, Inc. (BLLN), sold 801 shares at $124.91 per share, for a total transaction value of $100,055.87. Following this transaction, Johnson Nancy JoAnn now holds 21,099 shares of BLLN.

This sale represents a 3.66% decrease in Johnson Nancy JoAnn's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Wednesday, July 1, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, July 7, 2026 (accepted Jul 6, 8:38 PM ET), 6 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.