Castle Biosciences, Inc. (CSTL)
NASDAQ: CSTL · Real-Time Price · USD
26.86
-0.26 (-0.96%)
Mar 9, 2026, 3:34 PM EDT - Market open

Company Description

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.

Castle Biosciences, Inc.
Castle Biosciences logo
Country United States
Founded 2007
IPO Date Jul 25, 2019
Industry Diagnostics & Research
Sector Healthcare
Employees 883
CEO Derek Maetzold

Contact Details

Address:
1500 W. Parkwood Ave, Suite 400
Friendswood, Texas 77546
United States
Phone 866 788 9007
Website castlebiosciences.com

Stock Details

Ticker Symbol CSTL
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
IPO Price $16.00
CIK Code 0001447362
CUSIP Number 14843C105
ISIN Number US14843C1053
Employer ID 77-0701774
SIC Code 8071

Key Executives

Name Position
Derek J. Maetzold Founder, Chief Executive Officer, President and Director
Frank Stokes Chief Financial Officer and Treasurer
Kristen M. Oelschlager R.N. Chief Operating Officer
Tobin W. Juvenal Chief Commercial Officer
Camilla Zuckero Vice President of Investor Relations and Corporate Affairs
Kevin Doman Vice President of Sales
Dr. Jay Braxton Pharm.D. Vice President of Marketing and Brand Manager of Uveal Melanoma (UM)
Keli Greenberg Vice President of Human Resources
Dr. Matthew Goldberg M.D. Senior Vice President of Medical

Latest SEC Filings

Date Type Title
Mar 5, 2026 144 Filing
Mar 5, 2026 144 Filing
Mar 3, 2026 144 Filing
Feb 26, 2026 S-8 Securities to be offered to employees in employee benefit plans
Feb 26, 2026 10-K Annual Report
Feb 26, 2026 8-K Current Report
Feb 17, 2026 SCHEDULE 13G Filing
Jan 21, 2026 SCHEDULE 13G/A Filing
Jan 13, 2026 8-K Current Report
Jan 5, 2026 144 Filing