Trade Summary

6 days ago, Smith Mary L., serving as Dir at PTC THERAPEUTICS, INC. (PTCT), sold 15,834 shares at $90.00 per share, for a total transaction value of $1,425,060.00. Following this transaction, Smith Mary L. now holds 21,813 shares of PTCT.

This sale represents a 42.06% decrease in Smith Mary L.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, July 9, 2026 and publicly disclosed via SEC Form 4 filing on Monday, July 13, 2026 at 5:20 PM ET, 4 days after the trade was made.

PTC THERAPEUTICS, INC. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.