# Castle Biosciences Inc (CSTL) SEC filings and CIK

Canonical: https://sec-api.dev/companies/cstl

> CSTL’s SEC CIK is 0001447362 (1447362).

Insider transactions in the latest quarter: 106 (0 purchases, 94 sales). https://sec-api.dev/insider-trading/cstl

API: GET https://sec-api.dev/api/v1/filings?cik=1447362

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