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Castle Biosciences, Inc. (CSTL)

NGM · Healthcare · Diagnostics & Research

$20.70 -1.48%

Closing price as of 2026-06-12 · Source: TEK2day Finance

1-Year Price History +10.0% over period
$44$37$29$21$13 2025-062025-092025-122026-032026-06

Key Metrics

Market Cap
$627.8M
Shares Outstanding
30.3M
P/S (TTM)
1.8x
Exchange
NGM
Currency
USD

About Castle Biosciences, Inc.

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.

Quarterly Financials

Metric2025-06-302025-09-302025-12-312026-03-31
Revenue86.2M83.0M87.0M83.7M
Gross Profit68.6M64.3M68.7M63.1M
Operating Income-4.3M-6.8M-3.8M-18.4M
Net Income4.5M-501K-2.3M-14.5M
Diluted EPS$0.15$-0.02$-0.08$-0.49

Annual Financials

Metric2022-12-312023-12-312024-12-312025-12-31
Revenue137.0M219.8M332.1M344.2M
Gross Profit105.0M174.8M271.9M273.2M
Operating Income-91.1M-68.0M8.7M-42.8M
Net Income-67.1M-57.5M18.2M-24.2M
Diluted EPS$-2.58$-2.14$0.62$-0.83
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