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Castle Biosciences CSTL Cash Flow Statement

TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
-$12.83M-153%-$24.16M-232%-$12.24M-301%-$9.47M-205%-$5.07M+83.5%
$14.94M-64.8%$40.77M+155%$42.76M+218%$42.49M+225%$42.42M+232%
$44.49M-8.9%$45.89M-8.8%$45.93M-9.4%$46.85M-7.6%$48.82M-3.1%
$48.25M-26.5%$64.35M-0.8%$61.78M$62.49M$65.67M
$43.74M+82.9%$36.02M+27.2%$36.4M+48.3%$27.95M+35.5%$23.91M+23.0%
-$10.54M-$7.06M
$4.52M-89.2%$28.33M-22.5%$25.38M$34.54M$41.75M

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Questions, answered.

How much cash does Castle Biosciences generate?
Castle Biosciences (CSTL) generated $48.3M in operating cash flow over the trailing twelve months.
What is Castle Biosciences's free cash flow?
After $43.7M of capital expenditures, Castle Biosciences's free cash flow was $4.5M over the trailing twelve months, down 89.2% year over year.
Where does Castle Biosciences's cash flow data come from?
Every line is extracted from Castle Biosciences's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.