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Castle Biosciences (CSTL) free cash flow by quarter

Castle Biosciences' free cash flow was $12.2M in Q3 2026 (third quarter 2026), +87% from Q2 2026. Over the last 5 quarters it ranged from $6.6M (Q2 2026) to $19.7M (Q4 2025).

Castle Biosciences free cash flow by quarterCastle Biosciences free cash flow by quarter$11.6MQ2 2025$7.8MQ3 2025$19.7MQ4 2025$6.6MQ2 2026$12.2MQ3 2026
QuarterFree cash flowQ/QY/Y
Q3 2026$12.2M+87%+57%
Q2 2026$6.6M-67%-43%
Q4 2025$19.7M+153%—
Q3 2025$7.8M-33%—
Q2 2025$11.6M——

Q3 2026 at a glance

Castle Biosciences, Q3 2026: revenue $103M (+24% year over year), operating margin -2.7%, net loss $4.1M, operating cash flow $19.7M. The chart follows the revenue to costs, profit and cash.

Questions

What is Castle Biosciences' free cash flow?

Castle Biosciences' free cash flow was $12.2M in Q3 2026 (third quarter 2026), +87% from Q2 2026.

How has Castle Biosciences' free cash flow changed?

Over the last 5 quarters it ranged from $6.6M (Q2 2026) to $19.7M (Q4 2025).

Q3 2026 results → · How Castle Biosciences makes money →