Trade Summary

Yesterday, Tachibana Aaron, serving as CFO AND COO at Personalis, Inc. (PSNL), sold 38,799 shares at $11.58 per share, for a total transaction value of $449,292.42. Following this transaction, Tachibana Aaron now holds 198,833 shares of PSNL.

This sale represents a 16.33% decrease in Tachibana Aaron's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, May 29, 2026 and publicly disclosed via SEC Form 4 filing on Saturday, May 30, 2026 at 8:27 PM ET, 1 day after the trade was made.

Personalis, 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.