0001231919-22-000047.txt : 20220719 0001231919-22-000047.hdr.sgml : 20220719 20220719161655 ACCESSION NUMBER: 0001231919-22-000047 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b FILED AS OF DATE: 20220719 DATE AS OF CHANGE: 20220719 EFFECTIVENESS DATE: 20220719 FILER: 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 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-452949 FILM NUMBER: 221091760 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 D 1 primary_doc.xml X0708 D LIVE 0001501697 X4 Pharmaceuticals, Inc 61 NORTH BEACON STREET 4TH FLOOR BOSTON MA MASSACHUSETTS 02134 857-529-8300 DELAWARE Arsanis, Inc. Corporation true Paula Ragan 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Executive Officer Director Adam S. Mostafa 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Executive Officer Chief Financial Officer and Treasurer Mary DiBiase 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Executive Officer Chief Operating Officer Diego Cadavid 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Executive Officer Chief Medical Officer Arthur Taveras 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Executive Officer Chief Scientific Officer Derek Meisner 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Executive Officer Chief Legal Officer and Corporate Secretary William E. Aliski 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director Alison Lawton 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director Gary J. Bridger 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director Francoise de Craecker 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director Murray W. Stewart 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director David McGirr 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director Michael S. Wyzga 61 North Beacon Street 4th Floor Boston MA MASSACHUSETTS 02134 Director Biotechnology Decline to Disclose 06b false 2022-07-06 false true true true false 0 Stifel, Nicolaus & Company, Inc. 793 None None One South Street, 15th Floor Baltimore MD MARYLAND 21202 CT CONNECTICUT IL ILLINOIS MD MARYLAND MA MASSACHUSETTS NY NEW YORK false 111526550 55749999 55776551 "Total Offering Amount" includes amounts receivable by the Issuer upon the exercise of certain warrants to purchase the Issuer's Common Stock (assuming no cashless exercise). false 23 2800000 true 0 0 false X4 Pharmaceuticals, Inc /s/ Adam Mostafa Adam Mostafa Chief Financial Officer 2022-07-19