<SEC-DOCUMENT>0001104659-21-129570-index.html : 20211025
<SEC-HEADER>0001104659-21-129570.hdr.sgml : 20211025
<ACCEPTANCE-DATETIME>20211025171740
ACCESSION NUMBER:		0001104659-21-129570
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211021
FILED AS OF DATE:		20211025
DATE AS OF CHANGE:		20211025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Huber Martin H. Jr.
		CENTRAL INDEX KEY:			0001653276

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40925
		FILM NUMBER:		211345019

	MAIL ADDRESS:	
		STREET 1:		C/O TESARO, INC.
		STREET 2:		1000 WINTER STREET, SUITE 3300
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xilio Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001840233
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				851623397
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		828 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		617-833-1027

	MAIL ADDRESS:	
		STREET 1:		828 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>tm2130646-21_4seq1.xml
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Document 1 - file: tm2130646-21_4seq1.html

Document 1 - RAW XML: tm2130646-21_4seq1.xml

</DOCUMENT>
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