Mirum Pharmaceuticals (MIRM) Tax Rate (2019 - 2026)

Mirum Pharmaceuticals' Tax Rate history runs 8 years deep, the most recent figure standing at 0.06% for Q1 2026.

• In Q1 2026, Tax Rate rose 748.0% year-over-year to 0.06%; the TTM figure through Mar 2026 stood at 0.17% (up 172.0% YoY), while the FY2025 annual figure was 9.04%, down 785.0% from the prior year.
• Tax Rate was 0.06% for Q1 2026 at Mirum Pharmaceuticals, up from 15.45% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 19.62% in Q2 2022 to a low of 15.45% in Q4 2025.
• Historically, Tax Rate has averaged 1.72% across 5 years, with a median of 0.67% in 2023.
• The sharpest annual moves came in 2022 and 2023: Tax Rate jumped 1964 bps in 2022, then slumped 2005 bps in 2023.
• A 5-year view of Tax Rate shows it stood at 0.39% in 2022, then slumped by 65 bps to 0.63% in 2023, then jumped by 472 bps to 2.36% in 2024, then tumbled by 754 bps to 15.45% in 2025, then soared by 100 bps to 0.06% in 2026.
• The last three Tax Rate figures came in at 0.06% (Q1 2026), 15.45% (Q4 2025), and 9.91% (Q3 2025), per Business Quant data.