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

Castle Biosciences has disclosed Tax Rate across 9 years of filings, most recently posting 0.76% for Q1 2026.

• Tax Rate for Q1 2026 came in at 0.76%, down 237.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 27.32% (up 15586.0% YoY), and the FY2025 annual result was 18.15%, up 276.0% from the prior year.
• Tax Rate came in at 0.76% for Q1 2026 at Castle Biosciences, down from 14.08% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 3262.94% in Q2 2025 to a low of 29.79% in Q3 2025.
• The 5-year median for Tax Rate is 0.37% (2023), against an average of 208.47%.
• Peak annual rise in Tax Rate reached 327605 bps in 2025, while the deepest fall reached 10240 bps in 2025.
• Castle Biosciences' Tax Rate stood at 0.28% in 2022, then sank by 454 bps to 1.53% in 2023, then sank by 1309 bps to 21.62% in 2024, then jumped by 165 bps to 14.08% in 2025, then tumbled by 105 bps to 0.76% in 2026.
• The last three Tax Rate figures came in at 0.76% (Q1 2026), 14.08% (Q4 2025), and 29.79% (Q3 2025), per Business Quant data.