Trade Summary

3 days ago, Juvenal Tobin W, serving as Chief Commercial Officer at CASTLE BIOSCIENCES INC (CSTL), sold 1,730 shares at $32.81 per share, for a total transaction value of $56,761.30. Following this transaction, Juvenal Tobin W now holds 65,184 shares of CSTL.

This sale represents a 2.59% decrease in Juvenal Tobin W's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, August 31, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, September 2, 2026 at 4:07 PM ET, 2 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.