Castle Biosciences Inc. Company Profile
NASDAQ: CSTLHealth CareMedical SpecialitiesUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Castle Biosciences at a glance
Castle Biosciences Inc. (NASDAQ: CSTL) is a Medical Specialities company in the Health Care sector headquartered in Friendswood, TX. Castle Biosciences is led by Mr. Derek J. Maetzold and employs about 1,002 people. The company's shares have traded publicly since 2019.
At a market capitalization of $1.03 billion, it is considered a small-cap company. Its SEC Central Index Key (CIK) is 0001447362, which identifies the company's filings on EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
What does Castle Biosciences do?
Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), atopic dermatitis (AD), and uveal melanoma. The company offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test that predicts the likelihood of a positive sentinel lymph node and the risk of metastasis for patients with invasive cutaneous melanoma; TissueCypher, a risk stratification spatialomics test to predict future development of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, and low-grade dysplasia BE; AdvanceAD-Tx, a non-invasive GEP test which is designed to guide systemic treatment selection for patients aged 12 years and older with moderateto-severe AD; DecisionDx-SCC, a GEP test for cutaneous squamous cell carcinoma; and MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions. It also provides DecisionDx-UM, a risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma. The company offers its products to dermatology and gastroenterology markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.
Business description based on the company's public filings.
Company information
- Legal name
- Castle Biosciences Inc.
- Ticker
- NASDAQ: CSTL
- Sector
- Health Care
- Industry
- Medical Specialities
- CEO
- Mr. Derek J. Maetzold
- Employees
- 1,002
- Headquarters
- 1500 W. Parkwood Ave, Friendswood, TX, United States
- Phone
- 866 788 9007
- Website
- castlebiosciences.com
- IPO year
- 2019
- Market cap
- $1.03B
- SEC CIK
- 0001447362
- Latest annual report
- 10-K · Feb 26, 2026
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