MARKETS / NASDAQ / CSTL
NASDAQ · SERVICES-MEDICAL LABORATORIES · MID CAP

Castle Biosciences, Inc. CSTL

8 fiscal years on record · USD · FY2025 reported
SEC FILINGS ONLY
Revenue · FY2025
$344.2M
▲ 3.7% vs FY2024
EPS · FY25
$-0.83
Dividend / sh · FY25
$0.00
Payout · FY25
ROE · FY25
-5.2%
Net margin · FY25
-7.0%
Dividend coverage
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Result
USD 344.2M
Revenue, FY2025 · full 8-year series below
Revenue Net income
0.10.20.30.40.3-0.02018202120242025
0.10.20.30.40.3-0.02018202120242025

The company lost 7 cents on every revenue dollar this year.

Per share
USD -0.83
Diluted EPS, FY2025
EPS Dividend
0.40.81.20.00-0.832018202120242025
0.40.81.20.00-0.832018202120242025

The company pays no cash dividend.

Profitability
-5.2%
Return on equity, FY2025
ROE
10203040-5.2%2018202120242025
10203040-5.2%2018202120242025
Operating margin-12.4%
Net margin-7.0%
Return on assets-4.4%

Each USD of equity lost 5 cents this year.

Returned to shareholders
returned in FY2025 · dividends + net buybacks
Dividends paid
Net buybacks
Share of profit
Consecutive raises

Growth
+40.6% a year
revenue, compounded over five years
CAGR
3 yrs
5 yrs
10 yrs
15 yrs
Revenue
+35.9%
+40.6%

Compound annual rates per period — left blank where the series crosses a loss.

Share base
0.03B
Shares outstanding, FY2025
0.000.032018202120242025
0.000.032018202120242025
Change, 5 years+19.6%
Change, 10 years

The share count grew 20% in five years — the same company, cut into more, smaller slices.

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Balance sheet
USD 578.6M
total assets, end of FY2025
Total assetsUSD 578.6M
EquityUSD 470.9M
CashUSD 116.7M
Gross debtUSD 10.1M
Net debtUSD -106.7M
Current ratio5.26×

The company holds more cash than debt.

History
8 fiscal years
Every figure from documents filed with the SEC · USD
Metric
2025
2024
2023
2022
2021
2020
2019
2018
Revenue $B
0.3
0.3
0.2
0.1
0.1
0.1
0.1
0.0
Operating income $B
−0.0
0.0
−0.1
−0.1
−0.0
−0.0
0.0
−0.0
EBITDA $B
−0.0
0.0
−0.1
−0.1
−0.0
−0.0
0.0
−0.0
Income tax $B
−0.0
0.0
0.0
−0.0
−0.0
0.0
0.0
0.0
Net income $B
−0.0
0.0
−0.1
−0.1
−0.0
−0.0
0.0
−0.0
EPS, diluted $
−0.83
0.62
−2.14
−2.58
−1.24
−0.54
−0.21
−5.33
Dividend / sh $
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Payout %
·
·
·
·
·
·
·
·
ROE %
−5.2
4.3
−14.5
−16.6
−7.6
−4.1
37.0
·
Shares out B
0.03
0.03
0.03
0.03
0.03
0.02
0.02
0.00

Slide the table for earlier years · "·" marks figures not disclosed in the filing for that year.

How we verifyAUDITED
27 of 27
checks passed before publication
EPS recomputationBalance-sheet identityGross profitBalance-sheet liquidity

Every figure was compared against the original statement: 0 failures and 0 presentation gaps.

What we don’t show

We’d rather say what’s missing than fill the gap with an estimate.

P/E rationeeds a market quote — not yet licensed
Market capitalizationneeds a market quote — not yet licensed
Dividend yieldneeds a market quote — not yet licensed
Price-to-bookneeds a market quote — not yet licensed