<SEC-DOCUMENT>0001104659-21-129148-index.html : 20211022 <SEC-HEADER>0001104659-21-129148.hdr.sgml : 20211022 <ACCEPTANCE-DATETIME>20211022201611 ACCESSION NUMBER: 0001104659-21-129148 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211021 FILED AS OF DATE: 20211022 DATE AS OF CHANGE: 20211022 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Williams John Charles CENTRAL INDEX KEY: 0001890032 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40925 FILM NUMBER: 211341917 MAIL ADDRESS: STREET 1: 828 WINTER STREET STREET 2: SUITE 300 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> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>tm2130646-13_3seq1.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm2130646-13_3seq1.html
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