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    SEC Form DEFA14A filed by X4 Pharmaceuticals Inc.

    4/25/25 4:07:42 PM ET
    $XFOR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Get the next $XFOR alert in real time by email
    DEFA14A 1 a2025defa14a.htm DEFA14A Document

     
     
    SCHEDULE 14A INFORMATION
    Proxy Statement Pursuant to Section 14(a) of the
    Securities Exchange Act of 1934

     
     
    Filed by the Registrant  ☒                            Filed by a Party other than the Registrant  ☐
    Check the appropriate box:
     
    ☐ Preliminary Proxy Statement
    ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
    ☐ Definitive Proxy Statement
    ☒ Definitive Additional Materials
    ☐ Soliciting Material Pursuant to § 240.14a-12

    X4 Pharmaceuticals, Inc.
    (Name of Registrant as Specified In Its Charter)
    (Name of Person(s) Filing Proxy Statement if Other Than the Registrant)

    Payment of filing Fee (Check the appropriate box):
    ☒ No fee required.
    ☐ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
    ☐ 
    Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11
     




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