Castle Biosciences SEC Filings
NASDAQ: CSTLHealth CareMedical SpecialitiesUSD
34.42+0.71 (+2.11%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Castle Biosciences filing overview
This page lists 60 recent SEC filings by Castle Biosciences (CSTL), including 40 4, 8 8-K, 4 10-Q, 4 SCHEDULE 13G/A. The latest annual report (10-K) was filed on Feb 26, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Jul 30, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Jul 30, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
CSTL SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 30, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Jul 30, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 29, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 6, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| May 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 8, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 26, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Feb 26, 2026 | 10-K | Annual report | View on EDGAR |
| Feb 17, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jan 21, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 13, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Nov 3, 2025 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Nov 3, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Oct 9, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Aug 8, 2025 | 8-K | Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year | View on EDGAR |
| Aug 4, 2025 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Aug 4, 2025 | 10-Q | Quarterly report | View on EDGAR |