Castle Biosciences Inc
Laboratory testing company · Friendswood, Texas, United States · Nasdaq: CSTL
Castle Biosciences Inc is a laboratory testing company headquartered in Friendswood, Texas, United States. Its earliest recorded incorporation is in 2007. Its shares trade on Nasdaq under the ticker CSTL. It has reported private securities offerings to the US SEC, most recently $10 million sold in a notice filed in 2019.
Castle Biosciences at a glance
What does Castle Biosciences do?
Private fundraising reported to the SEC
15 Form D notices; the most recent reported $10 million sold (2019).
Frequently asked questions about Castle Biosciences
Where is Castle Biosciences headquartered?
Castle Biosciences Inc is headquartered in Friendswood, Texas, United States.
What does Castle Biosciences do?
Castle Biosciences Inc is a laboratory testing company. Its SEC industry classification is Services-Medical Laboratories.
Is Castle Biosciences a public company?
Yes. Castle Biosciences Inc trades on Nasdaq under the ticker CSTL.
When was Castle Biosciences founded?
The earliest incorporation on record for Castle Biosciences Inc is in 2007, according to public company registers.
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Last updated 2026-09-23.