Trade Summary

Yesterday, Sanders Corazon (Corsee) D., serving as Dir at Ultragenyx Pharmaceutical Inc. (RARE), sold 2,000 shares at $25.05 per share, for a total transaction value of $50,100.00. Following this transaction, Sanders Corazon (Corsee) D. now holds 21,095 shares of RARE.

This sale represents a 8.66% decrease in Sanders Corazon (Corsee) D.'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 15, 2026 and publicly disclosed via SEC Form 4 filing on Monday, June 15, 2026 at 6:50 PM ET, meaning the disclosure happened on the same day as the trade.

Ultragenyx Pharmaceutical Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.