0001104659-21-129572.txt : 20211025 0001104659-21-129572.hdr.sgml : 20211025 20211025171855 ACCESSION NUMBER: 0001104659-21-129572 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: Russo Rene CENTRAL INDEX KEY: 0001722066 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40925 FILM NUMBER: 211345029 MAIL ADDRESS: STREET 1: C/O ARSANIS, INC. STREET 2: 890 WINTER STREET, SUITE 230 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 tm2130646-23_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2021-10-21 0 0001840233 Xilio Therapeutics, Inc. XLO 0001722066 Russo Rene C/O XILIO THERAPEUTICS, INC. 828 WINTER STREET, SUITE 300 WALTHAM MA 02451 1 1 1 0 CEO and President Stock Option (right to buy) 16.00 2021-10-21 4 A 0 50041 0.00 A 2031-10-20 Common Stock 50041 50041 D The option award was granted on October 21, 2021 and shall 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 Rene Russo 2021-10-25