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Apellis Pharmaceuticals (APLS) Tax Rate (2021 - 2025)

Apellis Pharmaceuticals has reported Tax Rate over the past 5 years, most recently at 0.15% for Q4 2025.

  • Quarterly results put Tax Rate at 0.15% for Q4 2025, up 181.0% from a year ago — trailing twelve months through Dec 2025 was 1.43% (down 78.0% YoY), and the annual figure for FY2025 was 1.43%, down 76.0%.
  • Tax Rate for Q4 2025 was 0.15% at Apellis Pharmaceuticals, down from 0.28% in the prior quarter.
  • Over the last five years, Tax Rate for APLS hit a ceiling of 0.28% in Q3 2025 and a floor of 1.96% in Q4 2024.
  • Median Tax Rate over the past 5 years was 0.27% (2024), compared with a mean of 0.51%.
  • Biggest five-year swings in Tax Rate: plummeted -128bps in 2023 and later skyrocketed 181bps in 2025.
  • Apellis Pharmaceuticals' Tax Rate stood at 0.12% in 2021, then crashed by -396bps to 0.37% in 2022, then tumbled by -348bps to 1.64% in 2023, then decreased by -19bps to 1.96% in 2024, then soared by 92bps to 0.15% in 2025.
  • The last three reported values for Tax Rate were 0.15% (Q4 2025), 0.28% (Q3 2025), and 1.12% (Q2 2025) per Business Quant data.