0001104659-21-128648.txt : 20211021 0001104659-21-128648.hdr.sgml : 20211021 20211021205200 ACCESSION NUMBER: 0001104659-21-128648 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211021 FILED AS OF DATE: 20211021 DATE AS OF CHANGE: 20211021 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TOMLINSON SIMON M CENTRAL INDEX KEY: 0001234289 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40925 FILM NUMBER: 211338463 MAIL ADDRESS: STREET 1: PO BOX 5350 CITY: PRINCETON STATE: NJ ZIP: 08512 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 3 1 tm2130646-16_3seq1.xml OWNERSHIP DOCUMENT X0206 3 2021-10-21 0 0001840233 Xilio Therapeutics, Inc. XLO 0001234289 TOMLINSON SIMON M PO BOX 32 SKILLMAN NJ 08558 0 0 1 0 Common Stock 131117 D /s/ Simon Tomlinson 2021-10-21