0000899243-19-017423.txt : 20190619 0000899243-19-017423.hdr.sgml : 20190619 20190619161927 ACCESSION NUMBER: 0000899243-19-017423 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190617 FILED AS OF DATE: 20190619 DATE AS OF CHANGE: 20190619 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: 19906250 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: 955 MASSACHUSETTS AVENUE STREET 2: 4TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-529-8300 MAIL ADDRESS: STREET 1: 955 MASSACHUSETTS AVENUE STREET 2: 4TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Arsanis, Inc. DATE OF NAME CHANGE: 20100920 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2019-06-17 0 0001501697 X4 Pharmaceuticals, Inc XFOR 0001722066 Russo Rene C/O X4 PHARMACEUTICALS, INC. 955 MASSACHUSETTS AVENUE, 4TH FLOOR CAMBRIDGE MA 02139 1 0 0 0 Stock Option (right to buy) 14.75 2019-06-17 4 A 0 3427 0.00 A 2029-06-17 Common Stock 3427 3427 D 8.3333% of the shares subject to the option shall vest on July 17, 2019, with the remainder vesting in equal monthly installments of 8.3333% 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 service through each such date. /s/ Adam S. Mostafa, attorney-in-fact 2019-06-19