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Castle Biosciences, Inc.

CSTL • Medical - Diagnostics & Research
$32.91
▲ +0.26 (+0.80%)
Current price
EarningsLatest report: Jun 30, 2026
HIGHER-RISK PROFILECautionConfidence: 70%

Quantitative profile — not an investment recommendation.

Quantitative profile — not an investment recommendation.Methodology
Analysis thesis: Caution is warranted. Recent ratios show weaknesses that may limit returns unless fundamentals improve.
Market Cap
$1.00B
Growth
30.6%
Cash Flow
2/5
Trend
Volatile
Evidence
Positive revenue growth · 33.5%Positive free cash flow · 0.98Manageable debt level · 0.08Healthy liquidity · 5.26Weak profitability
Financial data as of: Jun 30, 2026, 12:00 AM UTCLast earnings update: Jun 30, 2026, 12:00 AM UTCLast profile update: Aug 5, 2026, 2:27 PM UTC

Company Snapshot

Key valuation, quality, financial strength, momentum and analyst data.

Price$32.91
Change0.80%
Shares Out30.40M
Market Cap$1.00B
Enterprise Value$770.28M
52W Range14.59 - 44.28
Beta1.00
P/E-51.53
P/S2.80
P/B2.13
P/FCF48.53
EV/Sales2.16

Investment DNA

How strong this company looks for long-term investors

47
out of 100
Business Quality
Margins, moat, returns
22/100
Financial Strength
Debt, cash, stability
76/100
Growth Potential
Revenue and expansion
58/100
Price Attractiveness
Cheap or expensive today
53/100
Why this score▼
Positive revenue growth · 33.5%Positive free cash flow · 0.98Manageable debt level · 0.08Healthy liquidity · 5.26Weak profitability

Analyst view

Analyst sentiment and price target

CSTL
Analyst sentiment
Based on 11 analyst votes · 2026-09-05
100/100
Bullish
Bullish
11
Hold
0
Bearish
0
Price Target
2026-07-31
Low
$35.00
Mean
$38.33
Median
$40.00
High
$40.00

Company Overview

IPO: 7/25/2019
Industry: Medical - Diagnostics & Research
P/B i: 2.13
Debt / Equity i: 0.08
Operating Margin: -12.44%
Net Margin: -7.02%
ROE i: -
ROIC: -

Financial Health

Score15 / 20
Debt / Equity: 0.08
Current Ratio: 5.26
Quick Ratio: 5.11
Status: Good

Insider Transactions

Recent executive and insider activity

MAETZOLD DEREK J
Transaction: 07/27/2026
SELL
Change
-10
Price
$25.06
Filing
07/29/2026
Type
SELL
MAETZOLD DEREK J
Transaction: 07/27/2026
SELL
Change
-6,214
Price
$2.39
Filing
07/29/2026
Type
SELL
MAETZOLD DEREK J
Transaction: 07/14/2026
SELL
Change
-278
Price
$22.92
Filing
07/16/2026
Type
SELL