Trade Summary

4 days ago, DUGGAN ROBERT W, serving as Co-Chief Executive Officer at Summit Therapeutics Inc. (SMMT), purchased 3,810,000 shares at $13.12 per share, for a total transaction value of $49,987,200.00. Following this transaction, DUGGAN ROBERT W now holds 573,883,879 shares of SMMT.

This purchase represents a 0.67% increase in DUGGAN ROBERT W's stake in the company.

The trade was executed on Friday, June 12, 2026 and publicly disclosed via SEC Form 4 filing on Friday, June 12, 2026 at 12:28 PM ET, meaning the disclosure happened on the same day as the trade.

Summit Therapeutics Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.