Coastlands Capital LP - 03 Oct 2025 SCHEDULE 13G Report for X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR)

Key filing fact

Coastlands Capital LP disclosed 10% ownership in X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR) on 03 Oct 2025.

Key facts

Coastlands Capital LP filed SCHEDULE 13G for X4 Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (XFOR).
Disclosed ownership: 10%.
Date of event: 03 Oct 2025.

This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
You can verify ownership claims directly against the original SEC filing.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Reporting persons

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares Owned	shared voting power	Signature	Title
Coastlands Capital LP	10%	2,491,638	2,491,638	/s/ Mark Shamia	Chief Operating Officer of the General Partner, Coastlands Capital LLC
Coastlands Capital Partners LP	10%	2,491,638	2,491,638	/s/ Mark Shamia	Chief Operating Officer of the General Partner, Coastlands Capital GP LLC
Coastlands Capital GP LLC	10%	2,491,638	2,491,638	/s/ Mark Shamia	Chief Operating Officer
Coastlands Capital LLC	10%	2,491,638	2,491,638	/s/ Mark Shamia	Chief Operating Officer
Matthew D. Perry	10%	2,491,638	2,491,638	/s/ Matthew D. Perry	Reporting person

CIK / CUSIP context first

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