Insmed (INSM) Tax Rate (2010 - 2026)

Insmed's Tax Rate history runs 16 years deep, the most recent figure standing at 0.9% for Q1 2026.

• In Q1 2026, Tax Rate fell 55.0% year-over-year to 0.9%; the TTM figure through Mar 2026 stood at 0.47% (down 7.0% YoY), while the FY2025 annual figure was 0.4%, up 1.0% from the prior year.
• Tax Rate was 0.9% for Q1 2026 at Insmed, down from 0.47% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 0.05% in Q4 2022 to a low of 0.9% in Q1 2026.
• Historically, Tax Rate has averaged 0.4% across 5 years, with a median of 0.38% in 2024.
• The sharpest annual moves came in 2022 and 2023: Tax Rate slumped 254 bps in 2022, then surged 31 bps in 2023.
• A 5-year view of Tax Rate shows it stood at 0.05% in 2022, then tumbled by 942 bps to 0.54% in 2023, then slipped by 3 bps to 0.55% in 2024, then advanced by 15 bps to 0.47% in 2025, then sank by 91 bps to 0.9% in 2026.
• The last three Tax Rate figures came in at 0.9% (Q1 2026), 0.47% (Q4 2025), and 0.35% (Q3 2025), per Business Quant data.