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Castle Biosciences CSTL Stock-Based Comp

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Segments

By segment

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Reportable Segment$9.78M-12.6%

Other financials

Income statement

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Revenue$83.7M-4.9%
Gross profit$63.1M-11.8%
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$978.5M+76.1%
Enterprise value$951.46M+86.2%
P/S2.9×+1.3×

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

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Return on equity-2.8%-10.6pp
Debt / equity0.1×0.0×
Current ratio6.7×-2.6×

Where this comes from

Reported directly by Castle Biosciences in its filing.

Tagged under the XBRL concept us-gaap:ShareBasedCompensation.

The source filing: Castle Biosciences’s 10-Q, filed May 6, 2026.

Filed
May 6, 2026, 4:09 PM EDT
Fiscal quarter
Q1 FY2026
Calendar quarter
Q1 2026
Accession
0001628280-26-031263
Line itemThree Months Ended March 31, 2026Three Months Ended March 31, 2025
Net loss$(14,522)$(25,848)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization3,92929,764
Stock-based compensation expense9,77611,179
Net (gains) losses on equity securities(2,022)1,425
Deferred income taxes(10)(770)
Accretion of discounts on marketable investment securities(454)(1,435)
Other53230

Item 1. Financial Statements.

FAQ

What is Castle Biosciences's stock-based comp?
Castle Biosciences (CSTL) reported stock-based comp of $9.78M in Q1 2026.
How has Castle Biosciences's stock-based comp changed year-over-year?
Castle Biosciences's stock-based comp decreased by 12.6% year-over-year, from $11.18M to $9.78M.
What is the long-term trend for Castle Biosciences's stock-based comp?
Over 4 years (2021 to 2025), Castle Biosciences's stock-based comp has grown at a 20.5% compound annual growth rate (CAGR), from $21.74M to $45.89M.
What does stock-based comp mean?
Total non-cash stock-based compensation expense for equity awards (RSUs, options, ESPP), added back to net income in cash flow reconciliation.

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