Quick Answer
CASTLE BIOSCIENCES INC reported R&D Expense of $51.85 million for fiscal year 2025.
CASTLE BIOSCIENCES INC R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $51.85M | -0.4% |
| 2024 | $52.04M | -2.9% |
| 2023 | $53.62M | +19.4% |
| 2022 | $44.90M | +51.5% |
| 2021 | $29.65M | +123.6% |
| 2020 | $13.26M | +79.5% |
| 2019 | $7.38M | +52.1% |
| 2018 | $4.85M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $12.96M | +5.2% | +1.4% |
| June 30, 2025 | $12.79M | -9.5% | +1.6% |
| March 31, 2025 | $12.59M | -8.8% | +2.2% |
| September 30, 2024 | $12.32M | -4.6% | -12.8% |
| June 30, 2024 | $14.14M | +6.2% | +2.4% |
| March 31, 2024 | $13.81M | -4.1% | +6.9% |
| September 30, 2023 | $12.92M | +18.5% | -2.9% |
| June 30, 2023 | $13.31M | +11.6% | -7.5% |
- CASTLE BIOSCIENCES INC showed a decrease of -0.4% in R&D Expense compared to the prior fiscal year.
- Over the 2018–2025 period, CASTLE BIOSCIENCES INC’s r&d expense has grown by 968.2% (from $4.85 million to $51.85 million).
- The most recent figure is from CASTLE BIOSCIENCES INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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