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    Amendment: SEC Form SCHEDULE 13D/A filed by Citius Oncology Inc.

    12/17/25 4:10:08 PM ET
    $CTOR
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $CTOR alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 3)


    Citius Oncology, Inc.

    (Name of Issuer)


    Common Shares, $0.0001 par value per share

    (Title of Class of Securities)


    17331Y109

    (CUSIP Number)


    Leonard L. Mazur CEO
    11 Commerce Drive,, 1st Floor
    Cranford, NJ, 07016
    (908) 967-6677


    Alexander M. Donaldson, Esq.
    4101 Lake Boone Trail, Suite 300,
    Raleigh, NC, 27607
    (919) 781-4000


    Lorna A. Knick, Esq.
    4101 Lake Boone Trail, Suite 300,
    Raleigh, NC, 27607
    (919) 781-4000


    Wyrick Robbins Yates & Ponton
    4101 Lake Boone Trail, Suite 300,
    Raleigh, NC, 27607
    (919) 781-4000

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
    12/10/2025

    (Date of Event Which Requires Filing of This Statement)


    If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

    The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






    SCHEDULE 13D

    CUSIP No.
    17331Y109


    1 Name of reporting person

    Citius Pharmaceuticals, Inc.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    OO
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    66,049,615.00
    8Shared Voting Power

    0.00
    9Sole Dispositive Power

    66,049,615.00
    10Shared Dispositive Power

    0.00
    11Aggregate amount beneficially owned by each reporting person

    66,049,615.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    77.9 %
    14Type of Reporting Person (See Instructions)

    CO

    Comment for Type of Reporting Person:
    CO


    SCHEDULE 13D

    Item 1.Security and Issuer
    (a)Title of Class of Securities:

    Common Shares, $0.0001 par value per share
    (b)Name of Issuer:

    Citius Oncology, Inc.
    (c)Address of Issuer's Principal Executive Offices:

    11 Commerce Drive, First Floor, Cranford, NEW JERSEY , 07016.
    Item 1 Comment:
    EXPLANATORY NOTE On December 10, 2025, the Issuer sold and issued 1,284,404 shares of its common stock, $0.0001 par value per share, in a registered direct offering. This Amendment No. 3 to the Schedule 13D of the Reporting Person filed on August 16, 2024, as amended on July 25, 2025, and September 12, 2025, amends and supplements the Schedule 13D as specifically set forth herein, to give effect to the issuance of the shares on December 10, 2025.
    Item 5.Interest in Securities of the Issuer
    (a)
    The Reporting Person is the beneficial owner of 66,049,615 shares of the Issuer's common stock, which represents approximately 77.9% of the Issuer's outstanding common stock, based upon 84,797,846 shares of common stock outstanding as of December 10, 2025.
    (b)
    The Reporting Person has sole voting and dispositive power of 66,049,615 shares of the Issuer's common stock beneficially owned.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    Citius Pharmaceuticals, Inc.
     
    Signature:/s/ Leonard Mazur
    Name/Title:Leonard Mazur, Chief Executive Officer
    Date:12/17/2025
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