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CSTL Insider Trading

Insider Ownership Percentage: 6.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $2,476,986.70

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

Castle Biosciences Share Price & Price History

Current Price: $39.62
Price Change: ▲ Price Increase of +0.21 (0.53%)
As of 12/4/2025 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

Castle Biosciences Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/25/2025Derek J MaetzoldInsiderSell5,115$40.05$204,855.7545,822View SEC Filing Icon  
11/20/2025Tobin W JuvenalInsiderSell4,693$35.58$166,976.9484,595View SEC Filing Icon  
11/5/2025Derek J MaetzoldInsiderSell2,678$31.85$85,294.3053,615View SEC Filing Icon  
11/4/2025Derek J MaetzoldInsiderSell6,695$30.44$203,795.8056,293View SEC Filing Icon  
10/31/2025Kristen M. OelschlagerCOOSell12,678$25.04$317,457.1227,569View SEC Filing Icon  
10/20/2025Derek J MaetzoldInsiderSell1,339$22.44$30,047.1662,988View SEC Filing Icon  
9/17/2025Derek J MaetzoldInsiderSell1,339$21.97$29,417.8365,666View SEC Filing Icon  
4/21/2025Derek J MaetzoldInsiderSell1,236$21.52$26,598.7274,627View SEC Filing Icon  
4/8/2025Derek J MaetzoldInsiderSell213$20.03$4,266.3976,886View SEC Filing Icon  
3/26/2025Derek J MaetzoldInsiderSell1,236$20.30$25,090.8077,099View SEC Filing Icon  
3/10/2025Derek J MaetzoldInsiderSell2,130$19.52$41,577.6078,335View SEC Filing Icon  
3/7/2025Derek J MaetzoldInsiderSell22,639$20.12$455,496.6880,465View SEC Filing Icon  
2/5/2025Daniel BradburyDirectorSell7,867$28.17$221,613.39View SEC Filing Icon  
1/13/2025Derek J MaetzoldInsiderSell986$28.03$27,637.5880,818View SEC Filing Icon  
1/6/2025Daniel BradburyDirectorSell7,867$29.14$229,244.381,425View SEC Filing Icon  
1/6/2025Derek J MaetzoldInsiderSell2,715$29.62$80,418.3082,047View SEC Filing Icon  
12/17/2024Derek J MaetzoldInsiderSell9,364$28.34$265,375.7684,762View SEC Filing Icon  
12/5/2024Derek J MaetzoldInsiderSell1,972$31.35$61,822.2085,748View SEC Filing Icon  
11/15/2024Frank StokesCFOSell6,923$29.93$207,205.3930,823View SEC Filing Icon  
11/12/2024Derek J MaetzoldInsiderSell1,972$34.15$67,343.8087,720View SEC Filing Icon  
11/5/2024Tobin W JuvenalInsiderSell3,507$35.56$124,708.9254,178View SEC Filing Icon  
10/14/2024Derek J MaetzoldInsiderSell1,972$32.27$63,636.4491,664View SEC Filing Icon  
10/8/2024Derek J MaetzoldInsiderSell986$30.27$29,846.2293,636View SEC Filing Icon  
10/7/2024Daniel BradburyDirectorSell7,867$29.44$231,604.485,700View SEC Filing Icon  
10/4/2024Derek J MaetzoldInsiderSell986$28.73$28,327.7894,622View SEC Filing Icon  
8/12/2024Daniel BradburyDirectorSell7,883$26.65$210,081.958,550View SEC Filing Icon  
8/7/2024Frank StokesCFOSell10,000$25.70$257,000.0030,823View SEC Filing Icon  
8/1/2024Kristen M. OelschlagerCOOSell12,989$23.06$299,526.34132,836View SEC Filing Icon  
7/29/2024Kristen M. OelschlagerCOOSell2,793$22.06$61,613.58145,825View SEC Filing Icon  
6/3/2024Derek J MaetzoldInsiderSell2,368$23.40$55,411.2057,893View SEC Filing Icon  
5/6/2024Daniel BradburyDirectorSell23,323$24.64$574,678.729,981View SEC Filing Icon  
5/6/2024Derek J MaetzoldInsiderSell2,368$24.72$58,536.9662,629View SEC Filing Icon  
4/23/2024Derek J MaetzoldInsiderSell421$20.11$8,466.3164,997View SEC Filing Icon  
4/12/2024Derek J MaetzoldInsiderSell1,947$20.35$39,621.4565,418View SEC Filing Icon  
4/8/2024Daniel BradburyDirectorSell2,400$20.45$49,080.0017,944View SEC Filing Icon  
4/4/2024Daniel BradburyDirectorSell9,152$21.45$196,310.4022,782View SEC Filing Icon  
4/3/2024Derek J MaetzoldInsiderSell2,368$21.70$51,385.6067,365View SEC Filing Icon  
3/20/2024Derek J MaetzoldInsiderSell2,295$20.27$46,519.6569,806View SEC Filing Icon  
3/7/2024Derek J MaetzoldInsiderSell2,372$20.77$49,266.4472,101View SEC Filing Icon  
3/5/2024Derek J MaetzoldInsiderSell4,131$21.41$88,444.7174,473View SEC Filing Icon  
3/4/2024Daniel BradburyDirectorSell23,323$20.68$482,319.6425,907View SEC Filing Icon  
2/7/2024Daniel BradburyDirectorSell2,074$23.20$48,116.8033,870View SEC Filing Icon  
1/4/2024Daniel BradburyDirectorSell18,223$20.40$371,749.2043,574View SEC Filing Icon  
12/28/2023Derek J MaetzoldInsiderSell3,954$22.17$87,660.1864,084View SEC Filing Icon  
12/26/2023Derek J MaetzoldInsiderSell5,180$21.93$113,597.4076,114View SEC Filing Icon  
12/22/2023Derek J MaetzoldInsiderSell5,224$21.96$114,719.0481,294View SEC Filing Icon  
12/20/2023Derek J MaetzoldInsiderSell5,201$21.05$109,481.0597,517View SEC Filing Icon  
12/18/2023Derek J MaetzoldInsiderSell5,720$20.27$115,944.40108,437View SEC Filing Icon  
12/12/2023Daniel BradburyDirectorSell1,200$20.01$24,012.0050,195View SEC Filing Icon  
12/12/2023Derek J MaetzoldInsiderSell546$20.01$10,925.46130,670View SEC Filing Icon  
12/8/2023Daniel BradburyDirectorSell6,875$20.09$138,118.7550,605View SEC Filing Icon  
12/8/2023Derek J MaetzoldInsiderSell2,322$20.10$46,672.2094,895View SEC Filing Icon  
12/6/2023Daniel BradburyDirectorSell200$20.02$4,004.0052,952View SEC Filing Icon  
12/6/2023Derek J MaetzoldInsiderSell48$20.02$960.9697,217View SEC Filing Icon  
12/4/2023Daniel BradburyDirectorSell4,340$20.08$87,147.2053,020View SEC Filing Icon  
12/4/2023Derek J MaetzoldInsiderSell1,379$20.08$27,690.3297,265View SEC Filing Icon  
12/1/2023Daniel BradburyDirectorSell9,545$20.05$191,377.2554,502View SEC Filing Icon  
12/1/2023Derek J MaetzoldInsiderSell3,235$20.06$64,894.1098,644View SEC Filing Icon  
11/29/2023Daniel BradburyDirectorSell17,342$20.12$348,921.0460,197View SEC Filing Icon  
11/29/2023Derek J MaetzoldInsiderSell5,743$20.13$115,606.59106,389View SEC Filing Icon  
11/24/2023Daniel BradburyDirectorSell800$20.02$16,016.0063,665View SEC Filing Icon  
11/24/2023Derek J MaetzoldInsiderSell287$20.03$5,748.61112,132View SEC Filing Icon  
11/20/2023Daniel BradburyDirectorSell5,755$20.04$115,330.2063,885View SEC Filing Icon  
9/1/2023Daniel BradburyDirectorSell1,802$20.04$36,112.0865,037View SEC Filing Icon  
9/1/2023Derek J MaetzoldInsiderSell718$20.05$14,395.90115,103View SEC Filing Icon  
8/30/2023Daniel BradburyDirectorSell4,632$20.03$92,778.9666,854View SEC Filing Icon  
8/30/2023Derek J MaetzoldInsiderSell1,622$20.03$32,488.66119,905View SEC Filing Icon  
8/3/2023Derek J MaetzoldInsiderSell286$20.10$5,748.60121,527View SEC Filing Icon  
7/7/2023Daniel BradburyDirectorSell50,000$20.39$1,019,500.0067,780View SEC Filing Icon  
7/7/2023Derek J MaetzoldInsiderSell8,376$20.04$167,855.04121,813View SEC Filing Icon  
6/5/2023Ellen GoldbergDirectorBuy4,800$14.38$69,024.009,065View SEC Filing Icon  
5/15/2023Derek J MaetzoldInsiderSell1,538$23.45$36,066.10150,443View SEC Filing Icon  
5/4/2023Daniel BradburyDirectorSell17,643$21.69$382,676.6779,251View SEC Filing Icon  
5/4/2023Derek J MaetzoldInsiderSell2,792$21.64$60,418.88151,981View SEC Filing Icon  
4/12/2023Derek J MaetzoldInsiderSell969$22.61$21,909.09156,596View SEC Filing Icon  
4/5/2023Daniel BradburyDirectorSell7,100$22.20$157,620.0082,780View SEC Filing Icon  
4/3/2023Daniel BradburyDirectorSell10,300$22.14$228,042.0085,720View SEC Filing Icon  
4/3/2023Derek J MaetzoldInsiderSell2,391$22.15$52,960.65157,966View SEC Filing Icon  
3/6/2023Derek J MaetzoldInsiderSell2,792$24.71$68,990.32163,149View SEC Filing Icon  
3/2/2023Daniel BradburyDirectorSell11,349$23.30$264,431.7090,510View SEC Filing Icon  
1/3/2023Daniel BradburyDirectorSell7,704$22.89$176,344.56199,539View SEC Filing Icon  
1/3/2023Derek J MaetzoldInsiderSell3,833$22.90$87,775.70301,529View SEC Filing Icon  
12/19/2022Derek J MaetzoldInsiderSell3,833$23.07$88,427.31305,362View SEC Filing Icon  
12/5/2022Derek J MaetzoldInsiderSell3,833$24.79$95,020.07294,723View SEC Filing Icon  
See Full Table

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

Castle Biosciences Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Wasatch Advisors LP669,120$15.24M0.1%-36.3%2.292%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC15,642$0.36M0.0%-50.4%0.054%Search for SEC Filing on Google Icon
11/17/2025Summit Partners Public Asset Management LLC400,000$9.11M0.2%N/A1.370%Search for SEC Filing on Google Icon
11/17/2025Susquehanna International Group LLP24,225$0.55M0.0%-43.5%0.083%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd220,961$5.03M0.0%+14.8%0.757%Search for SEC Filing on Google Icon
11/17/2025Parkman Healthcare Partners LLC475,568$10.83M1.1%+35.0%1.629%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC575,089$13.10M0.0%+34.2%1.970%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13,273$0.30M0.0%-14.7%0.045%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP19,128$0.44M0.0%-53.7%0.066%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE315,370$7.18M0.0%-17.6%1.080%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC2,335$53K0.0%-87.9%0.008%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC57,895$1.32M0.0%-68.7%0.198%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.256,233$5.83M0.0%-31.2%0.878%Search for SEC Filing on Google Icon
11/14/2025Creative Planning16,276$0.37M0.0%+46.5%0.056%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC87,691$2M0.0%+29.1%0.300%Search for SEC Filing on Google Icon
11/14/2025SummitTX Capital L.P.45,000$1.03M0.0%N/A0.154%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC57,460$1.31M0.0%-44.1%0.197%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP25,700$0.59M0.0%-9.0%0.088%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC177,180$4.03M0.1%+334.8%0.607%Search for SEC Filing on Google Icon
11/14/2025Portolan Capital Management LLC1,515,111$34.50M1.9%+1.7%5.191%Search for SEC Filing on Google Icon
11/14/2025Glenmede Investment Management LP10,199$0.23M0.0%N/A0.035%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.26,771$0.61M0.0%-14.0%0.092%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG291,362$6.63M0.0%-19.9%0.998%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets139,914$3.19M0.0%+40.9%0.479%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.99,787$2.27M0.0%+0.5%0.342%Search for SEC Filing on Google Icon
11/13/2025Magnetar Financial LLC10,327$0.24M0.0%N/A0.035%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.2,508$57K0.0%+63.7%0.009%Search for SEC Filing on Google Icon
11/13/2025Schroder Investment Management Group494,950$11.07M0.0%-23.7%1.696%Search for SEC Filing on Google Icon
11/13/2025Dynamic Technology Lab Private Ltd29,310$0.67M0.1%N/A0.100%Search for SEC Filing on Google Icon
11/13/2025Parallel Advisors LLC17,786$0.41M0.0%-36.2%0.061%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC73,068$1.66M0.0%-33.4%0.250%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP1,474,089$33.56M0.0%+7.0%5.050%Search for SEC Filing on Google Icon
11/12/2025Diversify Wealth Management LLC11,747$0.27M0.0%-4.7%0.040%Search for SEC Filing on Google Icon
11/12/2025Fox Run Management L.L.C.13,820$0.32M0.0%N/A0.047%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.2,373$54K0.0%-18.2%0.008%Search for SEC Filing on Google Icon
11/10/2025China Universal Asset Management Co. Ltd.5,085$0.12M0.0%-12.3%0.017%Search for SEC Filing on Google Icon
11/7/2025Advisors Capital Management LLC254,200$5.79M0.1%+3.4%0.871%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.2,172,318$49.46M0.0%+0.1%7.442%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.27,778$0.63M0.0%+4.2%0.095%Search for SEC Filing on Google Icon
11/6/2025Assetmark Inc.5,705$0.13M0.0%+25.5%0.020%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers43,758$1M0.0%-3.6%0.150%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.66,928$1.52M0.0%-5.0%0.231%Search for SEC Filing on Google Icon
11/4/2025Allianz Asset Management GmbH648,351$14.76M0.0%-9.2%2.235%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.1,794,355$40.86M0.0%-0.3%6.185%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC14,544$0.33M0.0%+594.2%0.050%Search for SEC Filing on Google Icon
11/3/2025Summit Global Investments12,352$0.28M0.0%-21.1%0.043%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund230,046$5.24M0.0%+6.6%0.793%Search for SEC Filing on Google Icon
11/3/2025Truist Financial Corp23,371$0.53M0.0%-2.7%0.081%Search for SEC Filing on Google Icon
10/31/2025AIGH Capital Management LLC707,287$16.11M4.5%N/A2.438%Search for SEC Filing on Google Icon
10/30/2025Strs Ohio9,800$0.22M0.0%-16.2%0.034%Search for SEC Filing on Google Icon
10/30/2025Bailard Inc.11,400$0.26M0.0%N/A0.039%Search for SEC Filing on Google Icon
10/30/2025Universal Beteiligungs und Servicegesellschaft mbH29,883$0.68M0.0%-45.3%0.103%Search for SEC Filing on Google Icon
10/28/2025Campbell & CO Investment Adviser LLC26,996$0.62M0.0%N/A0.093%Search for SEC Filing on Google Icon
10/24/2025State of Alaska Department of Revenue1,553$35K0.0%N/A0.005%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC13,061$0.30M0.0%N/A0.045%Search for SEC Filing on Google Icon
10/23/2025KLP Kapitalforvaltning AS8,900$0.20M0.0%+85.4%0.031%Search for SEC Filing on Google Icon
10/20/2025Allspring Global Investments Holdings LLC156,513$3.56M0.0%-2.9%0.540%Search for SEC Filing on Google Icon
10/15/2025CWM LLC1,911$44K0.0%+80.6%0.007%Search for SEC Filing on Google Icon
10/15/2025Inspire Investing LLC19,887$0.45M0.0%+4.0%0.069%Search for SEC Filing on Google Icon
10/15/2025Harbor Capital Advisors Inc.13,171$0.30M0.0%-35.4%0.045%Search for SEC Filing on Google Icon
10/15/2025Green Alpha Advisors LLC9,538$0.22M0.2%N/A0.033%Search for SEC Filing on Google Icon
10/14/2025Farther Finance Advisors LLC1,392$32K0.0%+139,100.0%0.005%Search for SEC Filing on Google Icon
8/27/2025Orion Porfolio Solutions LLC76,532$1.56M0.0%-2.4%0.264%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC125,719$2.57M0.0%+29.1%0.433%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 2,791$57K0.0%+256.9%0.010%Search for SEC Filing on Google Icon
8/15/2025Wasatch Advisors LP1,049,773$21.44M0.1%+5.1%3.619%Search for SEC Filing on Google Icon
8/15/2025Orion Porfolio Solutions LLC76,532$1.56M0.0%-2.4%0.264%Search for SEC Filing on Google Icon
8/15/2025Palisade Capital Management LP575,116$11.74M0.3%+17.4%1.982%Search for SEC Filing on Google Icon
8/15/2025Engineers Gate Manager LP67,252$1.37M0.0%+27.1%0.232%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets99,293$2.03M0.0%+119.5%0.342%Search for SEC Filing on Google Icon
8/15/2025Braidwell LP822,735$16.80M0.6%+125.3%2.836%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC40,750$0.83M0.0%N/A0.140%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP41,301$0.84M0.0%+238.4%0.142%Search for SEC Filing on Google Icon
8/15/2025Birchview Capital LP110,600$2.26M2.2%+25.1%0.381%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE382,745$7.82M0.0%+2.0%1.319%Search for SEC Filing on Google Icon
8/15/2025Ameriprise Financial Inc.372,467$7.61M0.0%+14.4%1.284%Search for SEC Filing on Google Icon
8/14/2025Diversify Wealth Management LLC12,322$0.24M0.0%-6.0%0.042%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 10,316$0.21M0.0%N/A0.036%Search for SEC Filing on Google Icon
8/14/2025Squarepoint Ops LLC125,719$2.57M0.0%+29.1%0.433%Search for SEC Filing on Google Icon
8/14/2025Sei Investments Co.31,130$0.64M0.0%-25.0%0.107%Search for SEC Filing on Google Icon
8/14/2025Nebula Research & Development LLC44,472$0.91M0.1%+18.2%0.153%Search for SEC Filing on Google Icon
8/14/2025Qube Research & Technologies Ltd192,553$3.93M0.0%-31.1%0.664%Search for SEC Filing on Google Icon
8/13/2025Jump Financial LLC21,858$0.45M0.0%N/A0.075%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.40,429$0.83M0.0%+25.4%0.139%Search for SEC Filing on Google Icon
8/13/2025New York State Common Retirement Fund215,830$4.41M0.0%+32.3%0.744%Search for SEC Filing on Google Icon
8/13/2025Schroder Investment Management Group648,572$13.20M0.0%+8.6%2.236%Search for SEC Filing on Google Icon
8/13/2025Hsbc Holdings PLC34,018$0.69M0.0%+73.3%0.117%Search for SEC Filing on Google Icon
8/13/2025Advantage Alpha Capital Partners LP16,021$0.33M0.1%-19.1%0.055%Search for SEC Filing on Google Icon
8/13/2025Elevation Point Wealth Partners LLC8,362$0.17M0.0%N/A0.029%Search for SEC Filing on Google Icon
8/13/2025Russell Investments Group Ltd.1,532$31K0.0%-91.8%0.005%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd46,301$0.95M0.0%+135.9%0.160%Search for SEC Filing on Google Icon
8/12/2025Summit Global Investments15,649$0.32M0.0%-48.9%0.054%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.65,272$1.33M0.0%-11.9%0.225%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers45,397$0.93M0.0%+15.9%0.156%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc34,908$0.71M0.0%+34.7%0.120%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.26,663$0.54M0.0%-12.8%0.092%Search for SEC Filing on Google Icon
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH54,610$1.12M0.0%+364.6%0.188%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC12,289$0.25M0.0%-23.6%0.042%Search for SEC Filing on Google Icon
8/8/2025Advisors Capital Management LLC245,867$5.02M0.1%+21.9%0.848%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC689,926$14.09M0.0%+6.2%2.378%Search for SEC Filing on Google Icon
Data available starting January 2016

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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.
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Today's Range

Now: $39.62
Low: $38.73
High: $40.54

50 Day Range

MA: $29.34
Low: $22.14
High: $40.59

52 Week Range

Now: $39.62
Low: $14.59
High: $40.61

Volume

438,439 shs

Average Volume

429,906 shs

Market Capitalization

$1.16 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.14

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

Castle Biosciences' top insider shareholders include:
  1. Kristen M Oelschlager (COO)
  2. Derek J Maetzold (Insider)
  3. Tobin W Juvenal (Insider)
  4. Daniel Bradbury (Director)
  5. Frank Stokes (CFO)
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. Vanguard Group Inc. — 7.44%
  2. Principal Financial Group Inc. — 6.19%
  3. Portolan Capital Management LLC — 5.19%
  4. Dimensional Fund Advisors LP — 5.05%
  5. AIGH Capital Management LLC — 2.44%
  6. Wasatch Advisors LP — 2.29%
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. Wasatch Advisors LP
  2. Schroder Investment Management Group
  3. Algert Global LLC
  4. Ameriprise Financial Inc.
  5. UBS Group AG
  6. Bank of America Corp DE
  7. Allianz Asset Management GmbH
  8. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
During the previous year, company insiders that have sold Castle Biosciences company stock include:
  1. Kristen M Oelschlager (COO)
  2. Derek J Maetzold (Insider)
  3. Tobin W Juvenal (Insider)
  4. Daniel Bradbury (Director)
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. AIGH Capital Management LLC
  2. Summit Partners Public Asset Management LLC
  3. Millennium Management LLC
  4. Bridgeway Capital Management LLC
  5. Parkman Healthcare Partners LLC
  6. Dimensional Fund Advisors LP
  7. SummitTX Capital L.P.
  8. BNP Paribas Financial Markets