Castle Biosciences Inc SEC filings CSTL
Castle Biosciences Inc has 890 filings in SEC EDGAR's recent list, going back to Oct 2, 2008. Its latest annual report, Form ARS, was filed on Apr 8, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 8, 2026 | — |
| DEF 14A | Proxy statement | Apr 8, 2026 | May 28, 2026 |
| DEFA14A | Additional proxy material | Apr 9, 2025 | — |
| DEF 14A | Proxy statement | Apr 9, 2025 | May 22, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 28, 2025 | May 22, 2025 |
| DEFA14A | Additional proxy material | May 10, 2024 | — |
| DEFA14A | Additional proxy material | Apr 10, 2024 | — |
| DEF 14A | Proxy statement | Apr 10, 2024 | Apr 10, 2024 |
| DEFA14A | Additional proxy material | May 15, 2023 | — |
| DEFA14A | Additional proxy material | Apr 12, 2023 | — |
| DEF 14A | Proxy statement | Apr 12, 2023 | — |
| DEFA14A | Additional proxy material | Apr 21, 2022 | — |
| DEF 14A | Proxy statement | Apr 21, 2022 | Jun 2, 2022 |
| DEFA14A | Additional proxy material | May 13, 2021 | — |
| DEFA14A | Additional proxy material | Apr 27, 2021 | — |
| DEF 14A | Proxy statement | Apr 27, 2021 | Jun 10, 2021 |
| DEFA14A | Additional proxy material | May 22, 2020 | — |
| DEFA14A | Additional proxy material | Apr 23, 2020 | — |
| DEF 14A | Proxy statement | Apr 23, 2020 | Jun 4, 2020 |
Showing 19 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Medical Laboratories (SIC 8071)
- Listed as
- CSTL (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Friendswood, TX
- SEC filer status
- Accelerated filer
- SEC CIK
- 1447362
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.