Dudediligence.

Castle Biosciences, Inc

CSTLNASDAQ · Services-Medical Laboratories
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Fundamentals

Oldest to newest
Revenue, by quarter
$85.8MSep ’24$86.3MDec ’24$88.0MMar ’25$86.2MJun ’25$83.0MSep ’25$87.0MDec ’25$83.7MMar ’26$103.5MJun ’26
Net income, by quarter
$2.3MSep ’24$9.6MDec ’24−$25.8MMar ’25$4.5MJun ’25−$501,000Sep ’25−$2.3MDec ’25−$14.5MMar ’26−$2.1MJun ’26
Fiscal years, by the month each ended
LineDec 2021Dec 2022Dec 2023Dec 2024Dec 2025
Revenue$94.1M$137.0M$219.8M$332.1M$344.2M
Gross profit$78.3M$105.0M$174.8M$271.9M$273.2M
Operating income−$40.1M−$72.9M−$68.0M$8.7M−$42.8M
Net income−$31.3M−$67.1M−$57.5M$18.2M−$24.2M
Operating cash flow−$19.0M−$41.7M−$5.6M$64.9M$64.3M
Free cash flow−$22.5M−$47.3M−$19.2M$36.5M$28.3M
Cash$329.6M$122.9M$98.8M$119.7M$116.7M
Debtnone on filenone on file$0.00$10.0M$10.1M
Shares outstanding25.4M26.6M27.4M28.5M29.7M