0001628280-20-016956.txt : 20201201 0001628280-20-016956.hdr.sgml : 20201201 20201201172854 ACCESSION NUMBER: 0001628280-20-016956 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201130 FILED AS OF DATE: 20201201 DATE AS OF CHANGE: 20201201 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Taveras Arthur CENTRAL INDEX KEY: 0001830901 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38295 FILM NUMBER: 201361758 MAIL ADDRESS: STREET 1: C/O X4 PHARMACEUTICALS, INC. STREET 2: 61 NORTH BEACON STREET, 4TH FLOOR CITY: BOSTON STATE: MA ZIP: 02134 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: 61 NORTH BEACON STREET STREET 2: 4TH FLOOR CITY: BOSTON STATE: MA ZIP: 02134 BUSINESS PHONE: 857-529-8300 MAIL ADDRESS: STREET 1: 61 NORTH BEACON STREET STREET 2: 4TH FLOOR CITY: BOSTON STATE: MA ZIP: 02134 FORMER COMPANY: FORMER CONFORMED NAME: Arsanis, Inc. DATE OF NAME CHANGE: 20100920 4 1 wf-form4_160686171893552.xml FORM 4 X0306 4 2020-11-30 0 0001501697 X4 Pharmaceuticals, Inc XFOR 0001830901 Taveras Arthur C/O X4 PHARMACEUTICALS INC. 61 NORTH BEACON STREET 4TH FLOOR BOSTON MA 02134 0 1 0 0 Chief Scientific Officer Stock Option (right to buy) 6.6 2020-11-30 4 A 0 121150 6.60 A 2030-11-29 Common Stock 121150.0 121150 D 25% of the shares subject tot he option shall vest on November 30, 2021, with the remainder vesting in equal installments of 2.0833% of the shares subject to the option each successive month thereafter for a period of 36 months, subject to the Reporting Person continuing to provide services through each such date. Derek M. Meisner, attorney-in-fact 2020-12-01