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as 10-07-2025 3:30pm EST

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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. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.

Founded: 2007 Country:
United States
United States
Employees: N/A City: FRIENDSWOOD
Market Cap: 697.9M IPO Year: 2019
Target Price: $37.67 AVG Volume (30 days): 348.4K
Analyst Decision: Strong Buy Number of Analysts: 6
Dividend Yield:
N/A
Dividend Payout Frequency: N/A
EPS: -0.33 EPS Growth: N/A
52 Week Low/High: $14.59 - $35.84 Next Earning Date: 11-03-2025
Revenue: $346,269,000 Revenue Growth: 20.40%
Revenue Growth (this year): -2.44% Revenue Growth (next year): -1.26%

Stock Insider Trading Activity of Castle Biosciences Inc. (CSTL)

Name Ticker Relationship Date Transaction AVG Cost Per Share Shares Total Value Securities Owned After Transaction(s) SEC Form 4
MAETZOLD DEREK J CSTL Pres. & Chief Exec. Officer Oct 2 '25 Sell $22.58 1,339 $30,234.62 64,327
MAETZOLD DEREK J CSTL Pres. & Chief Exec. Officer Sep 17 '25 Sell $21.97 1,339 $29,419.17 64,327
MAETZOLD DEREK J CSTL Pres. & Chief Exec. Officer Sep 2 '25 Sell $23.93 1,339 $32,042.27 64,327
Oelschlager Kristen M CSTL Chief Operating Officer Aug 27 '25 Sell $21.85 30,684 $669,706.69 153,793
MAETZOLD DEREK J CSTL Pres. & Chief Exec. Officer Aug 15 '25 Sell $20.04 1,339 $26,833.56 64,327
MAETZOLD DEREK J CSTL Pres. & Chief Exec. Officer Aug 13 '25 Sell $19.50 43,019 $839,042.58 64,327

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