0001104659-21-129570.txt : 20211025 0001104659-21-129570.hdr.sgml : 20211025 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 4 1 tm2130646-21_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2021-10-21 0 0001840233 Xilio Therapeutics, Inc. XLO 0001653276 Huber Martin H. Jr. C/O XILIO THERAPEUTICS, INC. 828 WINTER STREET, SUITE 300 WALTHAM MA 02451 0 1 0 0 President of R&D and CMO Stock Option (right to buy) 16.00 2021-10-21 4 A 0 157058 0.00 A 2031-10-20 Common Stock 157058 157058 D The option award was granted on October 21, 2021 and will begin to vest on November 1, 2021 and continue to vest in equal monthly installments thereafter until October 1, 2025. /s/ Chris Frankenfield, attorney-in-fact for Martin Huber 2021-10-25