CASTLE BIOSCIENCES INC
CSTL · Services Medical Laboratories
Latest available SEC filing: 4 ·
Latest disclosures
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Juvenal Tobin W: Form 4
Insider disclosure · Filed · Report period 12 Oct 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Latest financial period: Q2 2026
Financial facts · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- CSTL · 14843C105 - Common Stock, $0.001 par value per share
Company details and SEC sources
CIK 0001447362 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- CSTL on Nasdaq
- SEC industry group
- Services Medical Laboratories (Industrial Applications and Services)
- Business address
- 1500 W. Parkwood Ave., Suite 400, Friendswood, TX, 77546
- Incorporated in
- DE
- Fiscal year end
- 31 December
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields