Coastlands Capital LP - Oct 3, 2025 SCHEDULE 13G Report for X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR)

Filing Manager
Coastlands Capital LP
Reporting Manager
Coastlands Capital LP
Security
X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share
Symbol
XFOR
Shares outstanding
24.9M shares
Disclosed Ownership
2.49M shares
Ownership
9.99%
Form type
SCHEDULE 13G
Date filed
10/3/2025, 05:25 PM
Date of event
Oct 3, 2025
Previous filing
Aug 18, 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Coastlands Capital LP 9.99% 2.49M 0 2.49M /s/ Mark Shamia Chief Operating Officer of the General Partner, Coastlands Capital LLC
Coastlands Capital Partners LP 9.99% 2.49M 0 2.49M /s/ Mark Shamia Chief Operating Officer of the General Partner, Coastlands Capital GP LLC
Coastlands Capital GP LLC 9.99% 2.49M 0 2.49M /s/ Mark Shamia Chief Operating Officer
Coastlands Capital LLC 9.99% 2.49M 0 2.49M /s/ Mark Shamia Chief Operating Officer
Matthew D. Perry 9.99% 2.49M 0 2.49M /s/ Matthew D. Perry Reporting person