SEC Filing Form 4: Ramasastry Saira Transactions

This SEC filing details transactions made by Ramasastry Saira, a director at Mirum Pharmaceuticals, Inc. On December 22, 2025, Saira acquired 5,000 shares of Common Stock at a price of $23.51 per share, resulting in 5,000 shares held post-transaction. Subsequently, the same day, Saira disposed of 5,000 shares of Common Stock at a price of $80.00 per share, leaving 0 shares held. Additionally, Saira exercised a stock option to buy 5,000 shares of Common Stock, with the option being fully vested and acquired under a Rule 10b5-1 Plan. The option had an exercise price of $23.51 and was exercised on December 22, 2025. Post-exercise, 10,000 shares were held.