Summit Therapeutics Inc. (NASDAQ:SMMT) Q4 2022 Results Conference Call March 9, 2023 9:00 AM ET Company Participants Dave Gancarz - SVP, Corporate Strategy and Stakeholder Relations Dr. Maky Zanganeh - Co-CEO and President Bob Duggan - Chairman and CEO Ankur Dhingra - CFO Conference Call Participants Operator Ladies and gentlemen, thank you for standing by. My name is Brent, and I will be your conference operator today. At this time, I would like to welcome everyone to the Summit Fourth Quarter and Year-end ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________ FORM 10-K _____________________________ (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36866 Summit Therapeutics Inc. (Exact Name of Registrant as Specified in ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________ FORM 10-Q _________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ 617-514-7149 (Registrant's telephone number, including area code) Not Applicable Commission Fil ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________ FORM 10-Q _________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ Commission File Number: 001-36866 Summit Therapeutics Inc. (Exact name of registrant as specified in ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________ FORM 10-Q _________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ Commission File Number: 001-36866 Summit Therapeutics Inc. (Exact name of registrant as specified i ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________ FORM 10-K _____________________________ (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36866 Summit Therapeutics Inc. (Exact Name of Registrant as Specified in ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________ FORM 10-Q _________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ Commission File Number: 001-36866 Summit Therapeutics Inc. (Exact name of registrant as specified in its charter) _____________________ (State or ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________ FORM 10-Q _________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ Commission File Number: 001-36866 Summit Therapeutics Inc. (Exact name of registrant as specified in ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________ FORM 10-Q _________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ Commission File Number: 001-36866 Summit Therapeutics Inc. (Exact name of registrant as specified i ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________ FORM 10-K _____________________________ (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36866 Summit Therapeutics Inc. (Exact Name of Registrant as Specified in ...