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Side-by-side financial comparison of CASTLE BIOSCIENCES INC (CSTL) and RCM TECHNOLOGIES, INC. (RCMT). Click either name above to swap in a different company.

CASTLE BIOSCIENCES INC is the larger business by last-quarter revenue ($87.0M vs $86.5M, roughly 1.0× RCM TECHNOLOGIES, INC.). On growth, RCM TECHNOLOGIES, INC. posted the faster year-over-year revenue change (12.4% vs 0.8%). Over the past eight quarters, RCM TECHNOLOGIES, INC.'s revenue compounded faster (9.6% CAGR vs 9.2%).

Castle Biosciences Inc. is a commercial-stage diagnostic firm that develops and markets proprietary, clinically actionable tests for dermatological conditions such as melanoma and other skin cancers, plus rare diseases. It operates mainly in the U.S. healthcare market, focusing on segments with high unmet need for more accurate diagnostics to guide treatment choices.

Exela Technologies, Inc. is an American business process automation ("BPA") company. It was created with the merger of SourceHOV LCC, Novitex Holdings, Inc. and Quinpario Acquisition Corp. 2.

CSTL vs RCMT — Head-to-Head

Bigger by revenue
CSTL
CSTL
1.0× larger
CSTL
$87.0M
$86.5M
RCMT
Growing faster (revenue YoY)
RCMT
RCMT
+11.6% gap
RCMT
12.4%
0.8%
CSTL
Faster 2-yr revenue CAGR
RCMT
RCMT
Annualised
RCMT
9.6%
9.2%
CSTL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CSTL
CSTL
RCMT
RCMT
Revenue
$87.0M
$86.5M
Net Profit
$6.1M
Gross Margin
79.0%
28.1%
Operating Margin
-4.4%
9.2%
Net Margin
7.1%
Revenue YoY
0.8%
12.4%
Net Profit YoY
112.9%
EPS (diluted)
$-0.06
$0.80

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CSTL
CSTL
RCMT
RCMT
Q1 26
$86.5M
Q4 25
$87.0M
Q3 25
$83.0M
$70.3M
Q2 25
$86.2M
$78.2M
Q1 25
$88.0M
$84.5M
Q4 24
$86.3M
$76.9M
Q3 24
$85.8M
$60.4M
Q2 24
$87.0M
$69.2M
Net Profit
CSTL
CSTL
RCMT
RCMT
Q1 26
$6.1M
Q4 25
Q3 25
$-501.0K
$2.3M
Q2 25
$4.5M
$3.8M
Q1 25
$-25.8M
$4.2M
Q4 24
$2.9M
Q3 24
$2.3M
$2.7M
Q2 24
$8.9M
$3.8M
Gross Margin
CSTL
CSTL
RCMT
RCMT
Q1 26
28.1%
Q4 25
79.0%
Q3 25
77.5%
27.6%
Q2 25
79.5%
28.5%
Q1 25
81.4%
26.0%
Q4 24
81.3%
28.0%
Q3 24
81.8%
29.6%
Q2 24
83.3%
28.9%
Operating Margin
CSTL
CSTL
RCMT
RCMT
Q1 26
9.2%
Q4 25
-4.4%
Q3 25
-8.2%
5.6%
Q2 25
-4.9%
8.4%
Q1 25
-31.7%
7.8%
Q4 24
4.7%
8.2%
Q3 24
5.9%
7.3%
Q2 24
5.8%
8.4%
Net Margin
CSTL
CSTL
RCMT
RCMT
Q1 26
7.1%
Q4 25
Q3 25
-0.6%
3.2%
Q2 25
5.2%
4.8%
Q1 25
-29.4%
5.0%
Q4 24
3.7%
Q3 24
2.6%
4.5%
Q2 24
10.3%
5.4%
EPS (diluted)
CSTL
CSTL
RCMT
RCMT
Q1 26
$0.80
Q4 25
$-0.06
Q3 25
$-0.02
$0.30
Q2 25
$0.15
$0.50
Q1 25
$-0.90
$0.54
Q4 24
$0.32
$0.38
Q3 24
$0.08
$0.35
Q2 24
$0.31
$0.47

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CSTL
CSTL
RCMT
RCMT
Cash + ST InvestmentsLiquidity on hand
$299.5M
$2.9M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$470.9M
$46.0M
Total Assets
$578.6M
$134.4M
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
RCMT
RCMT
Q1 26
$2.9M
Q4 25
$299.5M
Q3 25
$287.5M
$1.3M
Q2 25
$275.9M
$5.5M
Q1 25
$275.2M
$5.2M
Q4 24
$293.1M
$4.7M
Q3 24
$95.0M
$3.2M
Q2 24
$85.6M
$3.5M
Total Debt
CSTL
CSTL
RCMT
RCMT
Q1 26
Q4 25
$10.1M
Q3 25
$10.0M
Q2 25
$10.0M
Q1 25
$10.0M
Q4 24
$10.0M
Q3 24
$10.0M
Q2 24
$10.0M
Stockholders' Equity
CSTL
CSTL
RCMT
RCMT
Q1 26
$46.0M
Q4 25
$470.9M
Q3 25
$467.0M
$41.4M
Q2 25
$455.4M
$37.8M
Q1 25
$440.3M
$34.6M
Q4 24
$455.8M
$33.5M
Q3 24
$441.1M
$30.0M
Q2 24
$423.9M
$28.5M
Total Assets
CSTL
CSTL
RCMT
RCMT
Q1 26
$134.4M
Q4 25
$578.6M
Q3 25
$562.8M
$129.8M
Q2 25
$544.7M
$135.6M
Q1 25
$501.7M
$121.0M
Q4 24
$531.2M
$132.1M
Q3 24
$514.6M
$125.5M
Q2 24
$487.3M
$118.3M
Debt / Equity
CSTL
CSTL
RCMT
RCMT
Q1 26
Q4 25
0.02×
Q3 25
0.02×
Q2 25
0.02×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.02×
Q2 24
0.02×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CSTL
CSTL
RCMT
RCMT
Operating Cash FlowLast quarter
$26.9M
$19.0M
Free Cash FlowOCF − Capex
$19.7M
FCF MarginFCF / Revenue
22.7%
Capex IntensityCapex / Revenue
8.3%
Cash ConversionOCF / Net Profit
3.11×
TTM Free Cash FlowTrailing 4 quarters
$28.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
RCMT
RCMT
Q1 26
$19.0M
Q4 25
$26.9M
Q3 25
$22.6M
$-1.3M
Q2 25
$20.8M
$-7.9M
Q1 25
$-6.0M
$16.7M
Q4 24
$24.4M
$-1.6M
Q3 24
$23.3M
$-4.3M
Q2 24
$24.0M
$5.7M
Free Cash Flow
CSTL
CSTL
RCMT
RCMT
Q1 26
Q4 25
$19.7M
Q3 25
$7.8M
$-1.8M
Q2 25
$11.6M
$-8.4M
Q1 25
$-10.8M
$16.2M
Q4 24
$16.8M
$-2.6M
Q3 24
$17.0M
$-4.9M
Q2 24
$18.8M
$5.3M
FCF Margin
CSTL
CSTL
RCMT
RCMT
Q1 26
Q4 25
22.7%
Q3 25
9.4%
-2.5%
Q2 25
13.4%
-10.7%
Q1 25
-12.2%
19.2%
Q4 24
19.5%
-3.4%
Q3 24
19.8%
-8.1%
Q2 24
21.6%
7.7%
Capex Intensity
CSTL
CSTL
RCMT
RCMT
Q1 26
Q4 25
8.3%
Q3 25
17.9%
0.7%
Q2 25
10.7%
0.6%
Q1 25
5.4%
0.5%
Q4 24
8.8%
1.3%
Q3 24
7.4%
0.9%
Q2 24
6.0%
0.6%
Cash Conversion
CSTL
CSTL
RCMT
RCMT
Q1 26
3.11×
Q4 25
Q3 25
-0.56×
Q2 25
4.60×
-2.08×
Q1 25
3.98×
Q4 24
-0.57×
Q3 24
10.29×
-1.58×
Q2 24
2.69×
1.52×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CSTL
CSTL

Dermatologic$48.6M56%
Non Dermatologic$38.4M44%

RCMT
RCMT

Segment breakdown not available.

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