0001628280-22-004499.txt : 20220301 0001628280-22-004499.hdr.sgml : 20220301 20220301160948 ACCESSION NUMBER: 0001628280-22-004499 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220301 FILED AS OF DATE: 20220301 DATE AS OF CHANGE: 20220301 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: 22698041 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_164616896122495.xml FORM 4 X0306 4 2022-03-01 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 Common Stock 2022-03-01 4 A 0 97000 0 A 104107 D Grant of restricted stock units to the Reporting Person under the Issuer's Amended and Restated 2017 Equity Incentive Plan with each restricted stock unit representing the right to receive one share of common stock on the applicable vesting date. No amount was paid upon the grant of the restricted stock units. The restricted stock units vest in two equal annual installments on March 1, 2023 and March 1, 2024, subject to the Reporting Person continuing to provide service as an employee of the Issuer through such date. Of the shares of common stock reported, 102,357 shares represent unvested restricted stock units. Derek M. Meisner, attorney-in-fact 2022-03-01