Castle Biosciences (CSTL) Tax Rate (2018 - 2026)

Castle Biosciences (CSTL) has 9 years of Tax Rate data on file, last reported at 0.76% in Q1 2026.

• Quarterly Tax Rate fell 237.0% year-over-year to 0.76% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 27.32% (up 15586.0% YoY) and the FY2025 annual result came in at 18.15%, up 276.0% from the prior year.
• Tax Rate declined to 0.76% in Q1 2026 per CSTL's latest filing, from 14.08% in the prior quarter.
• The five-year high for Tax Rate was 3262.94% in Q2 2025, with the low at 29.79% in Q3 2025.
• Average Tax Rate over 5 years is 208.47%, with a median of 0.37% recorded in 2023.
• The widest YoY moves for Tax Rate: up 327605 bps in 2025, down 10240 bps in 2025.
• Castle Biosciences' Tax Rate stood at 0.28% in 2022, then slumped by 454 bps to 1.53% in 2023, then slumped by 1309 bps to 21.62% in 2024, then jumped by 165 bps to 14.08% in 2025, then plunged by 105 bps to 0.76% in 2026.
• Business Quant data shows CSTL's Tax Rate at 0.76% in Q1 2026, 14.08% in Q4 2025, and 29.79% in Q3 2025.