Trade Summary

3 days ago, Huizenga Theodore Alan, serving as SVP, Chief Accounting Officer at Ultragenyx Pharmaceutical Inc. (RARE), sold 1,632 shares at $22.80 per share, for a total transaction value of $37,210.00. Following this transaction, Huizenga Theodore Alan now holds 48,670 shares of RARE.

This sale represents a 3.00% decrease in Huizenga Theodore Alan's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, March 2, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, March 3, 2026, 1 day after the trade was made.

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.