Trade Summary

3 days ago, Johnson Nancy JoAnn, serving as See Remarks at BillionToOne, Inc. (BLLN), sold 14,000 shares at $100.18 per share, for a total transaction value of $1,402,539.80. Following this transaction, Johnson Nancy JoAnn now holds 21,900 shares of BLLN.

This sale represents a 39.00% decrease in Johnson Nancy JoAnn's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

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.