# Castle Biosciences Inc: Form 4, filed Oct 28, 2026

- Company: [Castle Biosciences Inc](/companies/cstl.md) (CIK 1447362)
- Form: 4
- Filed: 2026-10-28
- Accepted by EDGAR: Oct 28, 2026, 16:08 ET
- Period: 2026-10-26
- Accession: 0001628280-26-067887
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1447362/000162828026067887/xslF345X06/wk-form4_1793218124.xml
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1447362/000162828026067887/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1447362/000162828026067887/xslF345X06/wk-form4_1793218124.xml

Filed Oct 28, 2026.
Source: SEC EDGAR, the filing index for accession 0001628280-26-067887. Last ingested by Listed: Nov 2, 2026, 20:19 ET. No prices; not investment advice.