What is Castle Biosciences's gross profit?

Castle Biosciences (CSTL) reported gross profit of $63.15M in Q1 2026.

How has Castle Biosciences's gross profit changed year-over-year?

Castle Biosciences's gross profit decreased by 11.8% year-over-year, from $71.61M to $63.15M.

What is the long-term trend for Castle Biosciences's gross profit?

Over 4 years (2021 to 2025), Castle Biosciences's gross profit has grown at a 36.7% compound annual growth rate (CAGR), from $78.26M to $273.2M.

What does gross profit mean?

Revenue minus cost of revenue — the profit available to cover operating expenses, representing the company's pricing power and production efficiency.

Castle Biosciences CSTL Gross Profit

Discontinued — last reported Q1 '26

Gross Profit at other companies

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$80.86M+10.4%

Fulgent Genetics, Inc.FLGT

$21.49M-24.2%

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Other financials

Income statement

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Revenue$83.7M-4.9%

Operating income-$18.4M+34.1%

Net income-$14.5M+43.8%

EPS (diluted)-$0.49+45.6%

Balance sheet

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Cash & equivalents$63.8M-28.9%

Total debt$36.7M+42.1%

Total equity$461.4M+4.8%

Total assets$547.8M+9.2%

Cash flow

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Operating cash flow-$22.1M-267%

CapEx$12.5M+163%

Free cash flow-$34.6M-221%

Valuation

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Market cap$694.86M+29.9%

Enterprise value$667.82M+41.8%

P/S2×+0.5×

Profitability

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Gross margin77.9%-4.1pp

Operating margin-9.8%-30.8pp

Net margin-3.8%-10.2pp

FCF margin1.3%-10.7pp

Returns & leverage

See full

Return on equity-2.8%-10.6pp

Debt / equity0.1×0.0×

Current ratio6.7×-2.6×

Where this comes from

Calculated from Castle Biosciences’s reported figures.

$83.7Mtotal revenue−$20.5Mtotal cost of revenue=$63.15M

The official record: Castle Biosciences’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Castle Biosciences's gross profit?: Castle Biosciences (CSTL) reported gross profit of $63.15M in Q1 2026.
How has Castle Biosciences's gross profit changed year-over-year?: Castle Biosciences's gross profit decreased by 11.8% year-over-year, from $71.61M to $63.15M.
What is the long-term trend for Castle Biosciences's gross profit?: Over 4 years (2021 to 2025), Castle Biosciences's gross profit has grown at a 36.7% compound annual growth rate (CAGR), from $78.26M to $273.2M.
What does gross profit mean?: Revenue minus cost of revenue — the profit available to cover operating expenses, representing the company's pricing power and production efficiency.