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Castle Biosciences CSTL Business Segments — Inventory usage

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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 cstl:InventoryUsage.

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, 20262025
Significant segment expenses:
Personnel costs58,36752,200
Organizational and marketing costs15,59414,229
Inventory usage6,4374,731
Clinical studies and publication costs2,5422,085
Professional services3,0073,576
Other segment items12,25437,015
Segment loss$(14,522)$(25,848)

Item 1. Financial Statements.

FAQ

What is Castle Biosciences's business segments — inventory usage?
Castle Biosciences (CSTL) reported business segments — inventory usage of $6.44M in Q1 2026.
How has Castle Biosciences's business segments — inventory usage changed year-over-year?
Castle Biosciences's business segments — inventory usage increased by 36.1% year-over-year, from $4.73M to $6.44M.
What is the long-term trend for Castle Biosciences's business segments — inventory usage?
Over 3 years (2022 to 2025), Castle Biosciences's business segments — inventory usage has grown at a 30.3% compound annual growth rate (CAGR), from $9.86M to $21.82M.
What does business segments — inventory usage mean?
Reflects the cost of materials and supplies consumed during the production or delivery of diagnostic services within the segment. This is a key indicator of direct variable costs and supply chain efficiency.

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