Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000315066-25-002923
Filing Date
2025-11-07
Accepted
2025-11-07 11:13:45
Documents
2

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G  
1 primary_doc.xml SCHEDULE 13G 6780
2 exhibit99.txt EX-99 2857
  Complete submission text file 0000315066-25-002923.txt   11532
Mailing Address 245 SUMMER STREET BOSTON MA 02210
Business Address 245 SUMMER STREET BOSTON MA 02210 6175706339
FMR LLC (Filed by) CIK: 0000315066 (see all company filings)

EIN.: 043532603 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G
SIC: 0000

Mailing Address 61 NORTH BEACON STREET 4TH FLOOR BOSTON MA 02134
Business Address 61 NORTH BEACON STREET 4TH FLOOR BOSTON MA 02134 857-529-8300
X4 Pharmaceuticals, Inc (Subject) CIK: 0001501697 (see all company filings)

EIN.: 273181608 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G | Act: 34 | File No.: 005-90199 | Film No.: 251461149
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)