Trade Summary

1 week ago, Grey Michael G, serving as Dir at Mirum Pharmaceuticals, Inc. (MIRM), sold 50,000 shares at $78.00 per share, for a total transaction value of $3,900,000.00. Following this transaction, Grey Michael G now holds 280,160 shares of MIRM.

This sale represents a 15.00% decrease in Grey Michael G's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, December 19, 2025 and publicly disclosed via SEC Form 4 filing on Tuesday, December 23, 2025, 4 days after the trade was made.

Mirum Pharmaceuticals, 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.