25.05
price up icon2.04%   0.50
after-market After Hours: 25.05
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Castle Biosciences Inc stock is traded at $25.05, with a volume of 292.86K. It is up +2.04% in the last 24 hours and down -15.29% over the past month. Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.
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Previous Close:
$24.55
Open:
$24.92
24h Volume:
292.86K
Relative Volume:
0.76
Market Cap:
$744.77M
Revenue:
$344.23M
Net Income/Loss:
$-24.16M
P/E Ratio:
-29.57
EPS:
-0.8471
Net Cash Flow:
$28.33M
1W Performance:
-0.87%
1M Performance:
-15.29%
6M Performance:
+8.82%
1Y Performance:
+26.64%
1-Day Range:
Value
$24.57
$25.48
1-Week Range:
Value
$23.24
$26.02
52-Week Range:
Value
$14.59
$44.28

Castle Biosciences Inc Stock (CSTL) Company Profile

Name
Name
Castle Biosciences Inc
Name
Phone
866-788-9007
Name
Address
1500 W. PARKWOOD AVE., FRIENDSWOOD, TX
Name
Employee
883
Name
Twitter
@castlebio
Name
Next Earnings Date
2024-11-04
Name
Latest SEC Filings
Name
CSTL's Discussions on Twitter

Compare CSTL vs TMO, DHR, IDXX, A, WAT

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
CSTL icon
CSTL
Castle Biosciences Inc
25.05 729.90M 344.23M -24.16M 28.33M -0.8471
TMO icon
TMO
Thermo Fisher Scientific Inc
494.54 182.60B 44.56B 6.72B 6.29B 17.74
DHR icon
DHR
Danaher Corp
190.79 134.18B 24.57B 3.60B 5.26B 5.051
IDXX icon
IDXX
Idexx Laboratories Inc
564.66 44.63B 4.30B 1.06B 1.04B 13.08
A icon
A
Agilent Technologies Inc
114.54 32.21B 7.07B 1.29B 993.00M 4.5355
WAT icon
WAT
Waters Corp
299.89 29.21B 3.17B 642.63M 516.49M 10.77

Castle Biosciences Inc Stock (CSTL) Upgrades & Downgrades

Date Action Analyst Rating Change
Dec-14-23 Initiated Guggenheim Buy
Jan-05-23 Initiated Scotiabank Sector Outperform
Jan-07-22 Initiated Stephens Overweight
Apr-30-21 Initiated Lake Street Buy
Nov-10-20 Initiated KeyBanc Capital Markets Overweight
Dec-27-19 Reiterated Canaccord Genuity Buy
Aug-19-19 Initiated BTIG Research Buy
Aug-19-19 Initiated Canaccord Genuity Buy
Aug-19-19 Initiated Robert W. Baird Outperform
Aug-19-19 Initiated SVB Leerink Outperform
View All

Castle Biosciences Inc Stock (CSTL) Latest News

pulisher
02:58 AM

CSTL PE Ratio & Valuation, Is CSTL Overvalued - intellectia.ai

02:58 AM
pulisher
Mar 31, 2026

Castle Biosciences, Inc.Common stock (NQ: CSTL - FinancialContent

Mar 31, 2026
pulisher
Mar 31, 2026

CSTL SEC FilingsCastle Biosciences 10-K, 10-Q, 8-K Forms - Stock Titan

Mar 31, 2026
pulisher
Mar 30, 2026

Castle Biosciences CEO Maetzold sells shares worth $106,598 By Investing.com - in.investing.com

Mar 30, 2026
pulisher
Mar 30, 2026

Castle Biosciences CEO Maetzold sells shares worth $106,598 - Investing.com

Mar 30, 2026
pulisher
Mar 30, 2026

Castle Biosciences (CSTL) CEO executes 10b5-1 share sales, exercises options - Stock Titan

Mar 30, 2026
pulisher
Mar 30, 2026

Director at Castle Biosciences (CSTL) acquires 5,329 shares via RSUs - Stock Titan

Mar 30, 2026
pulisher
Mar 30, 2026

Castle Biosciences: Buying The Remaining DecisionDx-Melanoma Upside (NASDAQ:CSTL) - seekingalpha.com

Mar 30, 2026
pulisher
Mar 28, 2026

Castle Biosciences presents melanoma test data at AAD meeting By Investing.com - Investing.com South Africa

Mar 28, 2026
pulisher
Mar 27, 2026

Castle Biosciences Study Shows DecisionDx-Melanoma Test Enhances Risk Prediction Within AJCC Staging System - geneonline.com

Mar 27, 2026
pulisher
Mar 27, 2026

Castle Biosciences presents melanoma test data at AAD meeting - Investing.com

Mar 27, 2026
pulisher
Mar 27, 2026

Castle Biosciences' DecisionDx®-Melanoma Test Significantly Improves Risk Prediction Within AJCC Stages to Support Personalized, Risk-Aligned Management of Cutaneous Melanoma, Data to Be Presented at AAD 2026 - Newswise

Mar 27, 2026
pulisher
Mar 26, 2026

Derek Maetzold reports multiple Rule 144 sales — CSTL (CSTL) - Stock Titan

Mar 26, 2026
pulisher
Mar 26, 2026

Vanguard realigns reporting; holds 0% of Castle Biosciences (CSTL) - Stock Titan

Mar 26, 2026
pulisher
Mar 26, 2026

Q4 2025 Castle Biosciences Inc Earnings Call Transcript - GuruFocus

Mar 26, 2026
pulisher
Mar 24, 2026

Hedge Fund Moves: Can Castle Biosciences Inc deliver alpha2026 Top Decliners & High Return Trade Opportunity Guides - baoquankhu1.vn

Mar 24, 2026
pulisher
Mar 23, 2026

Castle Biosciences Highlights DECIDE Study: DecisionDx-Melanoma Refines SLNB and Recurrence Risk - MarketBeat

Mar 23, 2026
pulisher
Mar 23, 2026

Castle Biosciences, Inc. (CSTL) Discusses Clinical Utility and Evidence Supporting DecisionDx Melanoma Test and DECIDE StudySlideshow (NASDAQ:CSTL) 2026-03-23 - Seeking Alpha

Mar 23, 2026
pulisher
Mar 23, 2026

Castle Biosciences Inc DecisionDx-Melanoma Call Transcript - GuruFocus

Mar 23, 2026
pulisher
Mar 23, 2026

Castle Biosciences, Inc. (NASDAQ:CSTL) Receives Consensus Recommendation of "Moderate Buy" from Brokerages - marketbeat.com

Mar 23, 2026
pulisher
Mar 22, 2026

Valuation Update: Whats next for Castle Biosciences Inc stock2026 Retail & Weekly Hot Stock Watchlists - baoquankhu1.vn

Mar 22, 2026
pulisher
Mar 21, 2026

Breakout Watch: Can Castle Biosciences Inc maintain its current growth rateMarket Performance Report & Safe Entry Point Identification - baoquankhu1.vn

Mar 21, 2026
pulisher
Mar 21, 2026

What are the future prospects of Castle Biosciences IncWeekly Stock Report & Risk Controlled Daily Plans - baoquankhu1.vn

Mar 21, 2026
pulisher
Mar 21, 2026

Why The Narrative Around Castle Biosciences (CSTL) Is Shifting With New Revenue Targets - Yahoo Finance

Mar 21, 2026
pulisher
Mar 19, 2026

Maetzold, Castle Biosciences CEO, sells $500k in CSTL stock By Investing.com - Investing.com India

Mar 19, 2026
pulisher
Mar 19, 2026

Maetzold, Castle Biosciences CEO, sells $500k in CSTL stock - Investing.com

Mar 19, 2026
pulisher
Mar 19, 2026

Derek Maetzold Sells 650 Shares of Castle Biosciences (NASDAQ:CSTL) Stock - MarketBeat

Mar 19, 2026
pulisher
Mar 19, 2026

Insider Selling: Castle Biosciences (NASDAQ:CSTL) Insider Sells 18,650 Shares of Stock - MarketBeat

Mar 19, 2026
pulisher
Mar 19, 2026

Castle Biosciences (CSTL) CEO sells 19,300 shares under 10b5-1 plan - Stock Titan

Mar 19, 2026
pulisher
Mar 19, 2026

Castle Biosciences introduces 487-gene panel to guide JAK inhibitor or Th2 therapy decisions - Traders Union

Mar 19, 2026
pulisher
Mar 18, 2026

Castle Biosciences (CSTL) loses 16.8% in 4 weeks, here's why a trend reversal may be around the corner - MSN

Mar 18, 2026
pulisher
Mar 18, 2026

Risk Recap: What’s Castle Biosciences Inc.’s historical returnGold Moves & Growth Focused Entry Point Reports - baoquankhu1.vn

Mar 18, 2026
pulisher
Mar 17, 2026

Castle Biosciences (NASDAQ: CSTL) CEO sells 30,779 shares under 10b5-1 plan - Stock Titan

Mar 17, 2026
pulisher
Mar 17, 2026

Big Picture: What is the implied volatility of Castle Biosciences IncQuarterly Trade Report & Long-Term Safe Return Strategies - baoquankhu1.vn

Mar 17, 2026
pulisher
Mar 16, 2026

Castle Biosciences (NASDAQ:CSTL) Insider Sells $526,582.12 in Stock - MarketBeat

Mar 16, 2026
pulisher
Mar 16, 2026

Castle Biosciences Officer Sells Shares - TradingView

Mar 16, 2026
pulisher
Mar 16, 2026

Castle Biosciences (NASDAQ: CSTL) CCO sells 20,863 pre-planned shares - Stock Titan

Mar 16, 2026
pulisher
Mar 13, 2026

Castle Biosciences (CSTL) Study Validates DecisionDx-Melanoma Te - GuruFocus

Mar 13, 2026
pulisher
Mar 13, 2026

Castle Biosciences (CSTL) CEO sells 44,125 shares under 10b5-1 plan - Stock Titan

Mar 13, 2026
pulisher
Mar 13, 2026

Prospective, Multi-center Study Published in Future - GlobeNewswire

Mar 13, 2026
pulisher
Mar 13, 2026

New melanoma test flags patients who can skip lymph node biopsy - Stock Titan

Mar 13, 2026
pulisher
Mar 12, 2026

CSTL (NASDAQ: CSTL) Form 144 shows proposed resale of 20,863 shares - Stock Titan

Mar 12, 2026
pulisher
Mar 11, 2026

Derek Maetzold sells shares; CSTL (NASDAQ: CSTL) Form 144 lists large late‑2025 trades - Stock Titan

Mar 11, 2026
pulisher
Mar 11, 2026

New study confirms sentinel lymph node prediction accuracy, Castle Biosciences asserts - Traders Union

Mar 11, 2026
pulisher
Mar 09, 2026

Stokes Frank sells Castle Biosciences (CSTL) stock worth $192k - Investing.com Nigeria

Mar 09, 2026
pulisher
Mar 09, 2026

Castle Biosciences Inc (CSTL) CFO Frank Stokes Sells 6,001 Shares - GuruFocus

Mar 09, 2026
pulisher
Mar 09, 2026

Insider Selling: Castle Biosciences (NASDAQ:CSTL) CFO Sells 6,001 Shares of Stock - MarketBeat

Mar 09, 2026
pulisher
Mar 09, 2026

Insider Selling: Castle Biosciences (NASDAQ:CSTL) Director Sells 7,403 Shares of Stock - MarketBeat

Mar 09, 2026
pulisher
Mar 09, 2026

Castle Biosciences (CSTL) CFO sells 6,001 shares under 10b5-1 plan - Stock Titan

Mar 09, 2026
pulisher
Mar 09, 2026

Castle Biosciences (CSTL) director exercises options and sells shares - Stock Titan

Mar 09, 2026
pulisher
Mar 09, 2026

DecisionDx®-Melanoma’s i31-SLNB: Report from the Largest - GlobeNewswire

Mar 09, 2026

Castle Biosciences Inc Stock (CSTL) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$197.69
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IQV IQV
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WAT WAT
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Cap:     |  Volume (24h):