Castle Biosciences (CSTL) 8-K Summary

Material Event: Castle Biosciences reported its financial results for the third quarter ended September 30, 2025, via a press release issued November 3, 2025.

Key Investor Takeaways:

• This 8-K primarily announces the release of Q3 earnings data and related presentations.
• Detailed financial performance metrics are located in Exhibit 99.1 (Press Release).
• Management discussion materials and supplemental data are attached as Exhibit 99.2 (Slide Presentation).
• The report confirms the company’s common stock trades on The Nasda