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    Castellum Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits

    8/12/25 4:00:25 PM ET
    $CTM
    Professional Services
    Consumer Discretionary
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    ctm-20250812
    0001877939False00018779392025-08-122025-08-12

    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
    FORM 8-K
    CURRENT REPORT
    Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934
    Date of Report (Date of earliest event reported): August 12, 2025
    CASTELLUM, INC.
    (Exact name of Registrant as specified in its charter)
    Nevada001-4152627-4079982
    (State or other jurisdiction
    of incorporation)
    (Commission
    File Number)
    (IRS Employer
    Identification No.)
    1934 Old Gallows Road, Suite 350
    Vienna, VA 22182
    (Address of principal executive offices, including zip code)
    (703) 752-6157
    (Registrant’s telephone number, including area code)
    Check the appropriate box below if the 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:
    ☐Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
    ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
    ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
    ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13(c)).
    Securities registered pursuant to Section 12(b) of the Act:
    Title of each classTrading Symbol(s)Name of each exchange on which registered
    Common stock, par value $0.0001 per shareCTMNYSE American LLC
    Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
    Emerging growth company ☒
    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒



    Item 8.01 Other Events
    On August 12, 2025, Castellum, Inc. issued a press release announcing a teaming agreement with Quarrio Corporation. The full text of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.


    Item 9.01 Financial Statements and Exhibits.
    (d) Exhibits.
    Exhibit No.Exhibit Title
    99.1
    Press Release dated August 12, 2025
    104Cover Page Interactive Data File (embedded within the Inline XBRL document).



    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, hereunto duly authorized.
    CASTELLUM, INC.
    Date: August 12, 2025By:/s/ Glen R. Ives
    Name:Glen R. Ives
    Title:Chief Executive Officer (Principal Executive Officer)

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