0001209191-19-050347.txt : 20190920 0001209191-19-050347.hdr.sgml : 20190920 20190920165203 ACCESSION NUMBER: 0001209191-19-050347 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190918 FILED AS OF DATE: 20190920 DATE AS OF CHANGE: 20190920 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Aliski William CENTRAL INDEX KEY: 0001598426 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38295 FILM NUMBER: 191105248 MAIL ADDRESS: STREET 1: C/O ULTRAGENYX PHARMACEUTICAL INC. STREET 2: 60 LEVERONI COURT CITY: NOVATO STATE: CA ZIP: 94949 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: X4 Pharmaceuticals, Inc CENTRAL INDEX KEY: 0001501697 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 273181608 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 955 MASSACHUSETTS AVENUE STREET 2: 4TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-529-8300 MAIL ADDRESS: STREET 1: 955 MASSACHUSETTS AVENUE STREET 2: 4TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Arsanis, Inc. DATE OF NAME CHANGE: 20100920 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2019-09-18 0 0001501697 X4 Pharmaceuticals, Inc XFOR 0001598426 Aliski William C/O X4 PHARMACEUTICALS, INC. 955 MASSACHUSETTS AVENUE, 4TH FLOOR CAMBRIDGE MA 02139 1 0 0 0 Stock Option (right to buy) 14.04 2019-09-18 4 A 0 6854 0.00 A 2029-09-18 Common Stock 6854 6854 D 8.3333% of the shares subject to the option shall vest on September 18, 2020, with the remainder vesting in equal monthly installments of 2.7777% of the shares underlying the initial grant until the 36-month anniversary of the date of the grant, subject the Reporting Person's continued service through each applicable vesting date. /s/ Adam S. Mostafa, Attorney-in-Fact 2019-09-20