CSTL Insider Trading

Insider Ownership Percentage: 7.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $3,690,531.17

Castle Biosciences Insider Trading History Chart

This chart shows the insider buying and selling history at Castle Biosciences by year and by quarter.

Skip ChartChart Data in Insider Trading History Table
2022202320242025$0bought$4.27ksoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$1M$0$1MTotal Insider BuyingTotal Insider Selling

Castle Biosciences Share Price & Price History

Current Price: $21.51
Price Change: Price Increase of +0.25 (1.18%)
As of 04/17/2025 05:00 PM ET

This chart shows the closing price history over time for CSTL up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
MayJunJulAugSepOctNovDecJanFebMarApr$21.51Closing price on 04/18/25:

SEC Filings (Institutional Ownership Changes) for Castle Biosciences (NASDAQ:CSTL)

92.60% of Castle Biosciences stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CSTL by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table
2022202320242025$136kbought$2.31MsoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$50M$0$50MTotal InflowsTotal Outflows
Castle Biosciences logo
Castle Biosciences, Inc., a molecular diagnostics company, provides testing solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus, uveal melanoma, and mental health conditions. It offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma; DecisionDx-SCC, a proprietary risk stratification GEP test for patients with cutaneous squamous cell carcinoma; MyPath Melanoma, a test used for patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a spatial omics test to predict future development of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, or low-grade dysplasia Barrett's esophagus. In addition, the company provides DecisionDx-UM test, a proprietary risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma; and IDgenetix, a pharmacogenomic test that helps guide drug treatment for major depressive disorder, schizophrenia, bipolar disorder, anxiety disorders, social phobia, obsessive-compulsive personality disorder, post-traumatic stress disorder, and attention deficit hyperactivity disorder. It offers its products to skin cancer, gastroenterology, and mental health markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.
Read More on Castle Biosciences

Today's Range

Now: $21.51
Low: $21.13
High: $21.81

50 Day Range

MA: $21.66
Low: $18.57
High: $27.85

52 Week Range

Now: $21.51
Low: $16.97
High: $35.84

Volume

454,033 shs

Average Volume

382,391 shs

Market Capitalization

$620.46 million

P/E Ratio

107.56

Dividend Yield

N/A

Beta

1.11

Who are the company insiders with the largest holdings of Castle Biosciences?

Castle Biosciences' top insider shareholders include:
  1. Derek J Maetzold (Insider)
  2. Kristen M Oelschlager (COO)
  3. Daniel Bradbury (Director)
  4. Tobin W Juvenal (Insider)
  5. Frank Stokes (CFO)
  6. Ellen Goldberg (Director)
Learn More about top insider investors at Castle Biosciences.

Who are the major institutional investors of Castle Biosciences?

Castle Biosciences' top institutional shareholders include:
  1. Tritonpoint Wealth LLC — 0.14%
  2. Rhumbline Advisers — 0.14%
  3. Summit Global Investments — 0.11%
  4. Harbor Capital Advisors Inc. — 0.06%
  5. GAMMA Investing LLC — 0.02%
Learn More about top institutional investors of Castle Biosciences stock.

Which major investors are selling Castle Biosciences stock?

During the last quarter, CSTL stock was sold by these institutional investors:
  1. Harbor Capital Advisors Inc.
  2. Tritonpoint Wealth LLC
  3. Rhumbline Advisers
During the previous year, company insiders that have sold Castle Biosciences company stock include:
  1. Derek J Maetzold (Insider)
  2. Kristen M Oelschlager (COO)
  3. Daniel Bradbury (Director)
  4. Tobin W Juvenal (Insider)
  5. Frank Stokes (CFO)
Learn More investors selling Castle Biosciences stock.

Which major investors are buying Castle Biosciences stock?

During the last quarter, CSTL stock was purchased by institutional investors including:
  1. GAMMA Investing LLC
  2. Summit Global Investments