0001628280-22-029260.txt : 20221109
0001628280-22-029260.hdr.sgml : 20221109
20221109162232
ACCESSION NUMBER: 0001628280-22-029260
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20221107
FILED AS OF DATE: 20221109
DATE AS OF CHANGE: 20221109
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Taveras Arthur
CENTRAL INDEX KEY: 0001830901
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38295
FILM NUMBER: 221372989
MAIL ADDRESS:
STREET 1: C/O X4 PHARMACEUTICALS, INC.
STREET 2: 61 NORTH BEACON STREET, 4TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02134
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_166802891805410.xml
FORM 4
X0306
4
2022-11-07
0
0001501697
X4 Pharmaceuticals, Inc
XFOR
0001830901
Taveras Arthur
C/O X4 PHARMACEUTICALS INC.
61 NORTH BEACON STREET 4TH FLOOR
BOSTON
MA
02134
0
1
0
0
Chief Scientific Officer
Stock Appreciation Right
1.8
2022-11-07
4
A
0
1000000
0
A
2032-11-07
Common Stock
1000000.0
1000000
D
The Stock Appreciation Right will vest and become exercisable in equal annual installments (rounding down to the nearest whole share, except for the last installment) on the first, second, and third anniversaries of November 7, 2022, subject to the Reporting Person remaining an employee of the Issuer through and including each applicable vesting date.
/s/ Adam S. Mostafa, attorney-in-fact
2022-11-09