Trade Summary

6 days ago, Juvenal Tobin W, serving as Chief Commercial Officer at Castle Biosciences Inc (CSTL), sold 20,863 shares at $25.24 per share, for a total transaction value of $526,582.00. Following this transaction, Juvenal Tobin W now holds 86,825 shares of CSTL.

This sale represents a 19.00% decrease in Juvenal Tobin W's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, March 12, 2026 and publicly disclosed via SEC Form 4 filing on Monday, March 16, 2026, 4 days after the trade was made.

Castle Biosciences Inc operates in the HEALTHCARE sector, specifically within the DIAGNOSTICS & RESEARCH industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.