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    SEC Form SD filed by ADTRAN Holdings Inc.

    5/29/25 4:14:51 PM ET
    $ADTN
    Telecommunications Equipment
    Utilities
    Get the next $ADTN alert in real time by email
    SD 1 25_specialized_disclosur.htm SD SD

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    Washington, D.C. 20549

    FORM SD

    Specialized Disclosure Report

    ADTRAN Holdings, Inc.

    (Exact name of Registrant as specified in its charter)

    Delaware
    (
    State of Incorporation)

    001-41446
    (
    Commission file number)

    87-2164282
    (
    I.R.S. Employer
    Identification Number)

    901 Explorer Boulevard, Huntsville, Alabama 35806-2807

    (Address of principal executive offices, including zip code)

    (256) 963-8000

    (Registrant's telephone number, including area code)

    _______________

    Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

    ☒

    Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2024.


    Section 1 – Conflict Minerals Disclosure

    Item 1.01 Conflict Minerals Disclosure and Report

    This Form SD of ADTRAN Holdings, Inc. (“ADTRAN,” the “Company,” “we,” “us,” or “our”) is filed pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2024 to December 31, 2024.

    ADTRAN has prepared a Conflict Minerals Report, filed hereto as Exhibit 1.01. This Conflict Minerals Report includes a discussion of the due diligence procedures performed and the disclosures required by the Rule.

    We have disclosed the information above, along with a copy of our Conflict Minerals Report and related materials, on our website, www.adtran.com under the links “ESG – Environmental – Environmental Product Compliance.”

     

    Item 1.02 Exhibit

     

    The Conflict Minerals Report required by Item 1.01 is filed as Exhibit 1.01 to this Form SD.

    Section 2 – Exhibits

     

    Item 2.01 Exhibits

    Exhibit 1.01 – Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

     


    SIGNATURES

     

    Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

    ADTRAN Holdings, Inc.

    Date:

    May 29, 2025

    By:

    /s/ Timothy Santo

    Timothy Santo
    Senior Vice President of Finance and

    Chief Financial Officer


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