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CSTL

Castle Biosciences, Inc.
1W: -1.4% 1M: -15.6% 3M: -39.0% YTD: -34.4% 1Y: +20.4% 3Y: +18.5% 5Y: -59.9%
$24.70
-0.57 (-2.26%)
After Hours: $25.17 (+0.47, +1.90%)
NASDAQ · Healthcare · Medical - Diagnostics & Research · $751.3M · Alpha Radar Sell · Power 32
Smart Money Score
Moderate 50
Insider
Congress
ETF Holdings
Key Statistics
Market Cap$751.3M
52W Range14.59-44.28
Volume251,123
Avg Volume400,618
Beta1.13
Dividend
Analyst Ratings
11 Buy 0 Hold 0 Sell
Consensus Buy
Company Info
CEODerek J. Maetzold
Employees784
SectorHealthcare
IndustryMedical - Diagnostics & Research
IPO Date2019-07-25
505 South Friendswood Drive
Friendswood, TX 77546
US
866 788 9007
About Castle Biosciences, Inc.

Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma and myPath Melanoma, a proprietary GEP test to diagnose suspicious pigmented lesions. It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.

Recent Insider Trades

NameTypeSharesPriceDate
MAETZOLD DEREK J S-Sale 650 $25.39 2026-03-18
MAETZOLD DEREK J S-Sale 18,650 $25.93 2026-03-17
MAETZOLD DEREK J S-Sale 17,449 $25.96 2026-03-16
MAETZOLD DEREK J S-Sale 126 $26.68 2026-03-16
MAETZOLD DEREK J S-Sale 13,204 $25.45 2026-03-13

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms