03:28 AM EDT, 09/12/2025 (MT Newswires) -- Robert W Duggan, 10% Owner, Director, Co-Chief Executive Officer, on September 10, 2025, executed a purchase for 338,394 shares in Summit Therapeutics ( SMMT ) for $5,984,756. Following the Form 4 filing with the SEC, Duggan has control over a total of 591,831,532 common shares of the company, with 556,093,090 shares held directly and 35,738,442 controlled indirectly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/1599298/000159929825000142/xslF345X05/wk-form4_1757633519.xml