# Castle Biosciences Inc: Form 8-K, filed Jan 13, 2026

- Company: [Castle Biosciences Inc](/companies/cstl.md) (CIK 1447362)
- Form: 8-K
- Filed: 2026-01-13
- Accepted by EDGAR: Jan 13, 2026, 09:43 ET
- Period: 2026-01-11
- Accession: 0001628280-26-001909
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1447362/000162828026001909/cstl-20260111.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1447362/000162828026001909/

## Items reported

- Item 2.02: Results of operations
- Item 7.01: Regulation FD disclosure
- Item 9.01: Financial statements and exhibits

## 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/1447362/000162828026001909/cstl-20260111.htm

Filed Jan 13, 2026.
Source: SEC EDGAR, the filing index for accession 0001628280-26-001909. Last ingested by Listed: Nov 2, 2026, 20:19 ET. No prices; not investment advice.