0001628280-21-011534.txt : 20210602 0001628280-21-011534.hdr.sgml : 20210602 20210602165751 ACCESSION NUMBER: 0001628280-21-011534 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210602 FILED AS OF DATE: 20210602 DATE AS OF CHANGE: 20210602 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Russo Rene CENTRAL INDEX KEY: 0001722066 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38295 FILM NUMBER: 21989937 MAIL ADDRESS: STREET 1: C/O ARSANIS, INC. STREET 2: 890 WINTER STREET, SUITE 230 CITY: WALTHAM STATE: MA ZIP: 02451 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_162266743993002.xml FORM 4 X0306 4 2021-06-02 0 0001501697 X4 Pharmaceuticals, Inc XFOR 0001722066 Russo Rene C/O X4 PHARMACEUTICALS, INC. 61 NORTH BEACON STREET, 4TH FLOOR BOSTON MA 02134 1 0 0 0 Stock Option (right to buy) 9.5 2021-06-02 4 A 0 6000 9.50 A 2031-06-02 Common Stock 6000.0 6000 D 8.3333% of the shares subject to the option shall vest on July 2, 2021, with the remainder vesting in equal monthly installments of 8.333% of the shares subject to the option until the 12-month anniversary of the date of the grant (or, if earlier, the date of the Issuer's next annual meeting of stockholders following the date of the grant) subject to the Reporting Person continuing to provide services through each such date. Derek M. Meisner, attorney-in-fact 2021-06-02