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CSTL stock

CSTL - Castle Biosciences Stock Price, Chart, News and Analysis

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Featured today in these scanners:
Market Cap$1.0B
RS Score31.74
RSI58.1
ADX36.5
Vol Ratio0.51x
Dist MA200+11.90%
5D-1.76%
1M+2.75%
3M+63.57%
6M+21.80%
52W+39.69%
Above MA50 / MA200Yes / Yes
Insider Trades
SELL
Derek J Maetzold
CEO
$204K
2026-08-28
SELL
Kristen Oelschlager
COO
$838K
2026-08-25
SELL
Toby Juvenal
Chf Com Off.
$317K
2026-08-25
SELL
Frank Stokes
CFO
$742K
2026-08-14
SELL
Derek J Maetzold
CEO
$184K
2026-08-14
SELL
Derek J Maetzold
CEO
$501K
2026-08-05
SELL
Toby Juvenal
Chf Com Off.
$556K
2026-08-03
SELL
Derek J Maetzold
CEO
$348K
2026-08-03

Castle Biosciences, Inc. Common Stock (CSTL): What does the company 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.

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