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    SEC Form DEFA14A filed by ADTRAN Holdings Inc.

    6/6/25 7:10:03 AM ET
    $ADTN
    Telecommunications Equipment
    Utilities
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    DEFA14A 1 adtn-20250604.htm DEFA14A DEFA14A

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    Washington, D.C. 20549

    SCHEDULE 14A

    (Rule 14a-101)

    INFORMATION REQUIRED IN PROXY STATEMENT

    SCHEDULE 14A INFORMATION

    Proxy Statement Pursuant to Section 14(a) of the

    Securities Exchange Act of 1934

    (Amendment No. 1)

    _______________________

     

    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 under §240.14a-12

     

    ADTRAN Holdings, Inc.

    (Name of Registrant as Specified In Its Charter)

    Not applicable.

    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

    Payment of Filing Fee (Check all boxes that apply):

    ☒

     

    No fee required

     ☐

     

    Fee paid previously with preliminary materials

     ☐

     

    Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

     


     

     

    img230350075_0.jpg


     

     

    img230350075_1.jpg


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