0001628280-24-005384.txt : 20240216
0001628280-24-005384.hdr.sgml : 20240216
20240216171000
ACCESSION NUMBER: 0001628280-24-005384
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240213
FILED AS OF DATE: 20240216
DATE AS OF CHANGE: 20240216
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Mostafa Adam S.
CENTRAL INDEX KEY: 0001738081
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38295
FILM NUMBER: 24649429
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]
ORGANIZATION NAME: 03 Life Sciences
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
wk-form4_1708121388.xml
FORM 4
X0508
4
2024-02-13
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
0
Stock Appreciation Right
0.921
2024-02-13
4
A
0
523414
0
A
2034-02-13
Common Stock
523414
523414
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 February 13, 2024, subject to the Reporting Person remaining an employee of the Issuer through and including each applicable vesting date.
/s/ Paula Ragan, attorney-in-fact
2024-02-16