8-K filing — Summit Therapeutics Inc. (SMMT)
Filed: 2026-09-15 AccNo: 0001599298-26-000081 Size: 2 MB Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits
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Why Is Summit Therapeutics Stock Gaining Monday?
Summit partner Akeso reports 30.8-month median OS for ivonescimab vs 22.6 for pembrolizumab in lung cancer trial. SMMT up over 6%.
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Summit Therapeutics Presents Updated Overall Survival Results From Global Phase III HARMIONi Clinical Trial Of Ivonescimab At The International Association For The Study Of Lung Cancer Conference; Sustained OS Improvement Seen With Longer Follow-Up In Western Patients, Consistent Across Geographic Regions; No New Safety Signals Observed
Updated overall survival (OS) results from the global Phase III HARMONi clinical trial featuring the novel, potential first-in-class investigational bispecific antibody ivonescimab were presented today at the
Reported Sunday, Ivonescimab Monotherapy Reduces Risk Of Death By 27% Versus Pembrolizumab In PD-L1-Positive Advanced NSCLC, Akeso's HARMONi-2 Study Shows
Ivonescimab Reduced the Risk of Death by 27% Compared to PembrolizumabHARMONi-2 Demonstrated an Improvement in Median Overall Survival of 8.2 MonthsPD-L1 High Expression Subgroup: Hazard Ratio = 0.58Summit is Conducting