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Side-by-side financial comparison of CASTLE BIOSCIENCES INC (CSTL) and MID PENN BANCORP INC (MPB). Click either name above to swap in a different company.

CASTLE BIOSCIENCES INC is the larger business by last-quarter revenue ($87.0M vs $62.0M, roughly 1.4× MID PENN BANCORP INC). On growth, MID PENN BANCORP INC posted the faster year-over-year revenue change (30.8% vs 0.8%). MID PENN BANCORP INC produced more free cash flow last quarter ($71.8M vs $19.7M). Over the past eight quarters, MID PENN BANCORP INC's revenue compounded faster (21.1% 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.

Commerce Bancorp was a Cherry Hill, New Jersey–based bank created in 1973. In 2007, it was purchased by Toronto-Dominion Bank, which merged Commerce into TD Banknorth, the latter of which was rebranded to TD Bank.

CSTL vs MPB — Head-to-Head

Bigger by revenue
CSTL
CSTL
1.4× larger
CSTL
$87.0M
$62.0M
MPB
Growing faster (revenue YoY)
MPB
MPB
+30.0% gap
MPB
30.8%
0.8%
CSTL
More free cash flow
MPB
MPB
$52.1M more FCF
MPB
$71.8M
$19.7M
CSTL
Faster 2-yr revenue CAGR
MPB
MPB
Annualised
MPB
21.1%
9.2%
CSTL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTL
CSTL
MPB
MPB
Revenue
$87.0M
$62.0M
Net Profit
$19.4M
Gross Margin
79.0%
Operating Margin
-4.4%
43.6%
Net Margin
31.4%
Revenue YoY
0.8%
30.8%
Net Profit YoY
47.0%
EPS (diluted)
$-0.06
$0.83

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
MPB
MPB
Q4 25
$87.0M
$62.0M
Q3 25
$83.0M
$61.8M
Q2 25
$86.2M
$54.3M
Q1 25
$88.0M
$47.7M
Q4 24
$86.3M
$47.4M
Q3 24
$85.8M
$45.3M
Q2 24
$87.0M
$44.1M
Q1 24
$73.0M
$42.3M
Net Profit
CSTL
CSTL
MPB
MPB
Q4 25
$19.4M
Q3 25
$-501.0K
$18.3M
Q2 25
$4.5M
$4.8M
Q1 25
$-25.8M
$13.7M
Q4 24
$13.2M
Q3 24
$2.3M
$12.3M
Q2 24
$8.9M
$11.8M
Q1 24
$-2.5M
$12.1M
Gross Margin
CSTL
CSTL
MPB
MPB
Q4 25
79.0%
Q3 25
77.5%
Q2 25
79.5%
Q1 25
81.4%
Q4 24
81.3%
Q3 24
81.8%
Q2 24
83.3%
Q1 24
81.0%
Operating Margin
CSTL
CSTL
MPB
MPB
Q4 25
-4.4%
43.6%
Q3 25
-8.2%
39.3%
Q2 25
-4.9%
7.9%
Q1 25
-31.7%
35.2%
Q4 24
4.7%
34.1%
Q3 24
5.9%
32.8%
Q2 24
5.8%
32.4%
Q1 24
-7.5%
34.8%
Net Margin
CSTL
CSTL
MPB
MPB
Q4 25
31.4%
Q3 25
-0.6%
29.6%
Q2 25
5.2%
8.8%
Q1 25
-29.4%
28.8%
Q4 24
27.9%
Q3 24
2.6%
27.1%
Q2 24
10.3%
26.7%
Q1 24
-3.5%
28.7%
EPS (diluted)
CSTL
CSTL
MPB
MPB
Q4 25
$-0.06
$0.83
Q3 25
$-0.02
$0.79
Q2 25
$0.15
$0.22
Q1 25
$-0.90
$0.71
Q4 24
$0.32
$0.72
Q3 24
$0.08
$0.74
Q2 24
$0.31
$0.71
Q1 24
$-0.09
$0.73

Balance Sheet & Financial Strength

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

Metric
CSTL
CSTL
MPB
MPB
Cash + ST InvestmentsLiquidity on hand
$299.5M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$470.9M
$814.1M
Total Assets
$578.6M
$6.1B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
MPB
MPB
Q4 25
$299.5M
Q3 25
$287.5M
Q2 25
$275.9M
Q1 25
$275.2M
Q4 24
$293.1M
Q3 24
$95.0M
Q2 24
$85.6M
Q1 24
$82.9M
Total Debt
CSTL
CSTL
MPB
MPB
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
Q1 24
$10.0M
Stockholders' Equity
CSTL
CSTL
MPB
MPB
Q4 25
$470.9M
$814.1M
Q3 25
$467.0M
$796.3M
Q2 25
$455.4M
$775.7M
Q1 25
$440.3M
$667.9M
Q4 24
$455.8M
$655.0M
Q3 24
$441.1M
$573.1M
Q2 24
$423.9M
$559.7M
Q1 24
$402.5M
$551.0M
Total Assets
CSTL
CSTL
MPB
MPB
Q4 25
$578.6M
$6.1B
Q3 25
$562.8M
$6.3B
Q2 25
$544.7M
$6.4B
Q1 25
$501.7M
$5.5B
Q4 24
$531.2M
$5.5B
Q3 24
$514.6M
$5.5B
Q2 24
$487.3M
$5.4B
Q1 24
$458.5M
$5.3B
Debt / Equity
CSTL
CSTL
MPB
MPB
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×
Q1 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
MPB
MPB
Operating Cash FlowLast quarter
$26.9M
$80.0M
Free Cash FlowOCF − Capex
$19.7M
$71.8M
FCF MarginFCF / Revenue
22.7%
115.8%
Capex IntensityCapex / Revenue
8.3%
13.3%
Cash ConversionOCF / Net Profit
4.12×
TTM Free Cash FlowTrailing 4 quarters
$28.3M
$132.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
MPB
MPB
Q4 25
$26.9M
$80.0M
Q3 25
$22.6M
$26.3M
Q2 25
$20.8M
$29.0M
Q1 25
$-6.0M
$11.5M
Q4 24
$24.4M
$51.4M
Q3 24
$23.3M
$16.9M
Q2 24
$24.0M
$18.0M
Q1 24
$-6.8M
$12.4M
Free Cash Flow
CSTL
CSTL
MPB
MPB
Q4 25
$19.7M
$71.8M
Q3 25
$7.8M
$24.3M
Q2 25
$11.6M
$27.2M
Q1 25
$-10.8M
$8.8M
Q4 24
$16.8M
$44.5M
Q3 24
$17.0M
$16.8M
Q2 24
$18.8M
$17.7M
Q1 24
$-16.0M
$12.1M
FCF Margin
CSTL
CSTL
MPB
MPB
Q4 25
22.7%
115.8%
Q3 25
9.4%
39.4%
Q2 25
13.4%
50.1%
Q1 25
-12.2%
18.4%
Q4 24
19.5%
93.8%
Q3 24
19.8%
37.1%
Q2 24
21.6%
40.2%
Q1 24
-21.9%
28.5%
Capex Intensity
CSTL
CSTL
MPB
MPB
Q4 25
8.3%
13.3%
Q3 25
17.9%
3.1%
Q2 25
10.7%
3.2%
Q1 25
5.4%
5.7%
Q4 24
8.8%
14.6%
Q3 24
7.4%
0.0%
Q2 24
6.0%
0.7%
Q1 24
12.5%
0.8%
Cash Conversion
CSTL
CSTL
MPB
MPB
Q4 25
4.12×
Q3 25
1.44×
Q2 25
4.60×
6.08×
Q1 25
0.84×
Q4 24
3.88×
Q3 24
10.29×
1.37×
Q2 24
2.69×
1.53×
Q1 24
1.02×

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%

MPB
MPB

Segment breakdown not available.

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