Amarin Corp Plcuk (AMRN) Tax Rate (2010 - 2026)

Amarin Corp Plcuk (AMRN) has 14 years of Tax Rate data on file, last reported at 20.51% in Q1 2026.

• Tax Rate for Q1 2026 came in at 20.51%, down 534.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 7.94% (up 4814.0% YoY), and the FY2025 annual result was 7.63%, up 8667.0% from the prior year.
• Tax Rate grew to 20.51% in Q1 2026 per AMRN's latest filing, from 43.66% in the prior quarter.
• Over five years, Tax Rate peaked at 47.37% in Q2 2024 and troughed at 136.06% in Q4 2023.
• A 5-year average of 16.44% and a median of 11.33% in 2022 frame the typical range for Tax Rate.
• The sharpest annual moves came in 2023 and 2024: Tax Rate plunged 12860 bps in 2023, then soared 13020 bps in 2024.
• A 5-year view of Tax Rate shows it stood at 7.45% in 2022, then tumbled by 1726 bps to 136.06% in 2023, then surged by 96 bps to 5.86% in 2024, then sank by 646 bps to 43.66% in 2025, then soared by 53 bps to 20.51% in 2026.
• Business Quant data shows AMRN's Tax Rate at 20.51% in Q1 2026, 43.66% in Q4 2025, and 4.65% in Q3 2025.