<SEC-DOCUMENT>0001599298-23-000085-index.html : 20230919
<SEC-HEADER>0001599298-23-000085.hdr.sgml : 20230919
<ACCEPTANCE-DATETIME>20230919154044
ACCESSION NUMBER:		0001599298-23-000085
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20231012
FILED AS OF DATE:		20230919
DATE AS OF CHANGE:		20230919

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Summit Therapeutics Inc.
		CENTRAL INDEX KEY:			0001599298
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36866
		FILM NUMBER:		231263577

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD
		STREET 2:		SUITE 106
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		617-514-7149

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD
		STREET 2:		SUITE 106
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Summit Therapeutics plc
		DATE OF NAME CHANGE:	20150219

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Summit Corp plc
		DATE OF NAME CHANGE:	20140205
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>summit-specialmeetingproxy.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: summit-specialmeetingproxy.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>proxycard1.jpg
<DESCRIPTION>PROXY CARD 1
<TEXT>
Document 2 - file: proxycard1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>proxycard2.jpg
<DESCRIPTION>PROXY CARD 2
<TEXT>
Document 3 - file: proxycard2.jpg

</DOCUMENT>
</SEC-DOCUMENT>