Castle Biosciences, Inc. (CSTL)
Nasdaq: CSTL · Services-Medical Laboratories · Friendswood, TX · filing with the SEC since 2008
Grade6.1
◀ Past 5.6● Present 7.3▶ Future 5.1
Filings
227 filings since 2017 beside 655 insider forms · Accelerated filer · read from EDGAR on Nov 13, 2026Due nextAccelerated filer
10-K
Annual report for the fiscal year ending Dec 31, 2026Accelerated filers have 75 days after the fiscal year ends.
by Mar 16, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Apr 8, 2026.
Filings a yearinsider forms included
581651308797122104117
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 1 time in the last 36 months, the newest Mar 27, 2024.SEC letters: 2 in the last 36 months, the newest Apr 12, 2024.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Jul 30, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
May 6, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Feb 26, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Jan 13, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Jan 11, 2026
Nov 3, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Aug 4, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
May 23, 2025
8-K items 3.03, 5.03, 5.07, 9.01
Change to shareholders' rights; Charter, bylaw or fiscal-year change; Shareholder vote · Current report
May 22, 2025
May 5, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
40 of 227 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.