<SEC-DOCUMENT>0001104659-23-022786-index.html : 20230216
<SEC-HEADER>0001104659-23-022786.hdr.sgml : 20230216
<ACCEPTANCE-DATETIME>20230216160107
ACCESSION NUMBER:		0001104659-23-022786
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230216
DATE AS OF CHANGE:		20230216

SUBJECT COMPANY:	

	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:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88759
		FILM NUMBER:		23638447

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DUGGAN ROBERT W
		CENTRAL INDEX KEY:			0001055919

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		611 SOUTH FORT HARRISON AVE
		STREET 2:		SUITE 306
		CITY:			CLEARWATER
		STATE:			FL
		ZIP:			33756
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>tm237077d1_sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: tm237077d1_sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>