0001628280-23-022093.txt : 20230614 0001628280-23-022093.hdr.sgml : 20230614 20230614170330 ACCESSION NUMBER: 0001628280-23-022093 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230613 FILED AS OF DATE: 20230614 DATE AS OF CHANGE: 20230614 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MCGIRR DAVID W J CENTRAL INDEX KEY: 0001219023 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38295 FILM NUMBER: 231014891 MAIL ADDRESS: STREET 1: 33 PHEASANT LANE CITY: GREENWICH STATE: CT ZIP: 06830 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 wk-form4_1686776597.xml FORM 4 X0407 4 2023-06-13 0 0001501697 X4 Pharmaceuticals, Inc XFOR 0001219023 MCGIRR DAVID W J C/O X4 PHARMACEUTICALS, INC. 61 NORTH BEACON STREET, 4TH FLOOR BOSTON MA 02134 1 0 0 0 0 Common Stock 2023-06-13 4 A 0 45000 0 A 51667 D Represents restricted stock units (?RSUs?) granted to the Reporting Person as an annual award for service on the Board of Directors. The RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the Issuer?s next annual meeting of stockholders, subject to continued board service through the applicable vesting date. The RSUs will vest in full upon the occurrence of a change in control of the Issuer. /s/ Adam S. Mostafa, attorney-in-fact 2023-06-14