0001628280-21-005667.txt : 20210325 0001628280-21-005667.hdr.sgml : 20210325 20210325170937 ACCESSION NUMBER: 0001628280-21-005667 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210324 FILED AS OF DATE: 20210325 DATE AS OF CHANGE: 20210325 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mostafa Adam S. CENTRAL INDEX KEY: 0001738081 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38295 FILM NUMBER: 21773461 MAIL ADDRESS: STREET 1: C/O ABPRO CORPORATION STREET 2: 65 CUMMINGS PARK DRIVE CITY: WOBURN STATE: MA ZIP: 01801 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_161670655632254.xml FORM 4 X0306 4 2021-03-24 0 0001501697 X4 Pharmaceuticals, Inc XFOR 0001738081 Mostafa Adam S. C/O X4 PHARMACEUTICALS, INC. 61 NORTH BEACON STREET, 4TH FLOOR BOSTON MA 02134 0 1 0 0 Chief Financial Officer Common Stock 2021-03-24 4 A 0 83163 0 A 112752 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 three equal annual installments on February 11, 2022, February 11, 2023 and February 11, 2024 subject to the Reporting Person continuing to provide service as an employee of the Issuer through such date. Represents unvested restricted stock units. Derek M. Meisner-attorney-in-fact 2021-03-25