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XFOR SCHEDULE 13G/A: SEC filing

Coastlands Capital LP

Filed with the SEC on · accession 0001104659-26-127412

XFOR filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 13, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.6% by the first close after the filing.

Summary of the filing

Coastlands Capital LP filed an amended Schedule 13G reporting beneficial ownership of 10,719,139 shares (9.99%) of X4 Pharmaceuticals common stock, including shares underlying pre-funded warrants, reflecting recent transactions.

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Key details

Shares beneficially owned$10.7M
Percent of class beneficially ownedPCT 10
Reporting person / investment adviserCoastlands Capital LP
Direct holder of sharesCoastlands Capital Partners LP
General partner of coastlands capital partners lpCoastlands Capital GP LLC
General partner of coastlands capital lpCoastlands Capital LLC
IssuerX4 Pharmaceuticals, Inc.
Control person of coastlands capital entitiesMatthew D. Perry

How XFOR stock reacted

Close before

$3.17

Nov 12, 2026

First close after

-1.58%

$3.12

5 trading days

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Since filing

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Frequently asked questions

What did XFOR file with the SEC on Nov 13, 2026?

XFOR filed a SCHEDULE 13G/A (SEC filing). Coastlands Capital LP filed an amended Schedule 13G reporting beneficial ownership of 10,719,139 shares (9.99%) of X4 Pharmaceuticals common stock, including shares underlying pre-funded warrants, reflecting recent transactions.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did XFOR stock react to this filing?

XFOR closed at $3.17 before the filing and $3.12 on Nov 13, 2026 (-1.58%).

Other XFOR SEC filings

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