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

29.21 -2.13 (-6.80%)
Streaming Delayed Price Updated: 4:00 PM EST, Feb 20, 2026 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 573,686
Open 31.61
Bid (Size) 14.27 (300)
Ask (Size) 46.00 (100)
Prev. Close 31.34
Today's Range 29.10 - 31.61
52wk Range 14.59 - 44.28
Shares Outstanding 25,167,365
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
News headline image
Prospective Validation Study in JAAD Demonstrates Castle Biosciences’ AdvanceAD-Tx™ Test Identifies Patients More Likely to Achieve Faster and Deeper Responses with JAK Inhibitor Therapy in Moderate-to-Severe Atopic Dermatitis
Study data show that AdvanceAD-Tx can stratify patients by molecular profile identifying those more likely to achieve near-clear skin (EASI-90), faster time to response and meaningful patient-reported... 
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences to Release Fourth Quarter and Full-Year 2025 Financial Results and Host Conference Call on Thursday, Feb. 26, 2026
From Castle Biosciences, Inc.
Via GlobeNewswire

Performance

YTD
-24.2%
-24.2%
1 Month
-28.5%
-28.5%
3 Month
-18.2%
-18.2%
6 Month
+46.3%
+46.3%
1 Year
+7.4%
+7.4%

More News

Read More
News headline image
AIGH Capital Dumps 2.6 Million Lumen Technologies Shares In $15.6 Million Exit ↗
Via The Motley Fool
Topics Artificial Intelligence Regulatory Compliance
News headline image
Earnings Scheduled For November 3, 2025 ↗
Via Benzinga
News headline image
AIGH Capital Dumps 1.1 Million MaxLinear (MXL) Shares ↗
Via The Motley Fool
A Whole Watchlist of “Coiled Springs” (Found With One Simple ChartMill Screen) ↗
Via Chartmill
News headline image
CS Diagnostics (OTCQB: CSDX) Advances Infection Control and Oncology Innovation Plus – IVP, SAFX, JTAI, OCG, BMXI Inside
Via AB Newswire
Topics Intellectual Property
News headline image
Castle Biosciences Announces Preliminary Unaudited Fourth Quarter and Full–Year 2025 Results
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Landmark Study Shows Combination of Castle Biosciences' DecisionDx®-UM and PRAME Outperforms Gene Mutation Analysis in Predicting Survival Outcomes in Uveal Melanoma
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Systematic Review and Meta-Analysis Confirms TissueCypher® Outperforms Traditional Pathology or Clinical Factors Alone to Identify Patients at Increased Risk of Developing Esophageal Cancer
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Expert Melanoma Panel Recommends Castle Biosciences’ DecisionDx®-Melanoma as a Best-Practice Tool for Managing Patients with Melanoma
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences Earns a Houston Chronicle Top Workplaces Award for the Fifth Consecutive Year
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
New Data Confirms Performance of DecisionDx®-Melanoma to Identify Patients with Less Than Five Percent Risk of Sentinel Lymph Node Positivity
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences to Present at the Piper Sandler 37th Annual Healthcare Conference
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Why Castle Biosciences' Rally Might Just Be Getting Started ↗
Via Benzinga
News headline image
AMD To Rally Around 12%? Here Are 10 Top Analyst Forecasts For Wednesday ↗
Via Benzinga
News headline image
Castle Biosciences Reports Third Quarter 2025 Results
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences Launches AdvanceAD-Tx™ to Help Guide Systemic Treatment Decision Making in Patients with Moderate-to-Severe Atopic Dermatitis
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
A Glimpse of Castle Biosciences's Earnings Potential ↗
Via Benzinga
News headline image
Castle Biosciences to Participate in Upcoming Investor Conferences
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
New Data at American College of Gastroenterology Annual Meeting Show TissueCypher® Provides Actionable Risk Insights that Influence Clinical Management and Prompt Risk-Aligned Intervention in Barrett’s Esophagus
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
New Analysis of 13,560 Patients Demonstrates DecisionDx®-Melanoma Stratifies Risk Across Histological Subtypes; Findings to be Presented at Fall Clinical Dermatology Conference
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences to Release Third Quarter 2025 Financial Results and Host Conference Call on Monday, Nov. 3, 2025
From Castle Biosciences, Inc.
Via GlobeNewswire
News headline image
Castle Biosciences’ Founder, President and CEO Derek Maetzold Honored with the CEO of the Year Award by The CEO Magazine
From Castle Biosciences, Inc.
Via GlobeNewswire

Frequently Asked Questions

Is Castle Biosciences, Inc. - Common stock publicly traded?
Yes, Castle Biosciences, Inc. - Common stock is publicly traded.
What exchange does Castle Biosciences, Inc. - Common stock trade on?
Castle Biosciences, Inc. - Common stock trades on the Nasdaq Stock Market
What is the ticker symbol for Castle Biosciences, Inc. - Common stock?
The ticker symbol for Castle Biosciences, Inc. - Common stock is CSTL on the Nasdaq Stock Market
What is the current price of Castle Biosciences, Inc. - Common stock?
The current price of Castle Biosciences, Inc. - Common stock is 29.21
When was Castle Biosciences, Inc. - Common stock last traded?
The last trade of Castle Biosciences, Inc. - Common stock was at 02/20/26 04:00 PM ET
What is the market capitalization of Castle Biosciences, Inc. - Common stock?
The market capitalization of Castle Biosciences, Inc. - Common stock is 735.14M
How many shares of Castle Biosciences, Inc. - Common stock are outstanding?
Castle Biosciences, Inc. - Common stock has 735M shares outstanding.
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