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    SEC Form DEFA14A filed by Siebert Financial Corp.

    10/9/25 3:17:35 PM ET
    $SIEB
    Investment Bankers/Brokers/Service
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    DEFA14A 1 ny20054207x2_defa14a.htm DEFA14A

    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    SCHEDULE 14A

    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 Under Rule 14a-12

    Siebert Financial Corp.
     (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 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.

    Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: The Notice & Proxy Statement, Annual Report is/are available at www.proxyvote.com.




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