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

    12/1/25 4:30:02 PM ET
    $RDGT
    Retail-Drug Stores and Proprietary Stores
    Consumer Staples
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    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 1)


    RIDGETECH INC.

    (Name of Issuer)


    Ordinary Shares, par value $0.001 per share

    (Title of Class of Securities)


    G2124G120

    (CUSIP Number)


    Lingtao Kong
    5th Flr, Bld 6, No.100, 18th St, Baiyang, Sub Dist, antang Dist, Zhejiang Province
    Hangzhou City, F4, 310008
    86-571-88219579

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
    11/24/2025

    (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.
    G2124G120


    1 Name of reporting person

    LINGTAO KONG
    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

    HONG KONG
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    2,225,000.00
    8Shared Voting Power

    0.00
    9Sole Dispositive Power

    2,225,000.00
    10Shared Dispositive Power

    0.00
    11Aggregate amount beneficially owned by each reporting person

    2,225,000.00
    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)

    12.2 %
    14Type of Reporting Person (See Instructions)

    IN

    Comment for Type of Reporting Person:
    (1) The percentage calculation is based on an aggregate of 18,285,638 ordinary shares outstanding as of the date of this report, based on information provided by the Issuer.


    SCHEDULE 13D

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

    Ordinary Shares, par value $0.001 per share
    (b)Name of Issuer:

    RIDGETECH INC.
    (c)Address of Issuer's Principal Executive Offices:

    5th Flr, Bld 6, No.100, 18th St, Baiyang Sub Dist, antang Dist, Zhejiang Province Hangzhou Cit, CHINA , 310008.
    Item 1 Comment:
    This Amendment No. 1 to Schedule 13D (this "Amendment No. 1"), amends and supplements the Schedule 13D filed by the Reporting Person on March 6, 2025 (the "Schedule 13D"), relating to the ordinary shares of Ridgetech Inc. (the "Issuer"). The Items below amend and supplement the information disclosed under the corresponding Items of the Schedule 13D as described below. Except as specifically provided herein, this Amendment No. 1 does not modify any of the information previously reported in the Schedule 13D.
    Item 5.Interest in Securities of the Issuer
    (a)
    Item 5 of the Schedule 13D is hereby amended as set forth below. Calculations of the percentage of shares of ordinary shares beneficially owned assumes that there were 18,285,638 ordinary shares outstanding as of the date of this report, based on information provided by the Issuer. The change in the Reporting Person's percentage beneficial ownership reported in this Amendment No. 1 resulted solely from the increase in the number of outstanding ordinary shares. The Reporting Person has not disposed of or acquired any ordinary shares since the filing of Schedule 13D on March 6, 2025. The aggregate number and percentage of the ordinary shares beneficially owned by the Reporting Person, the number of shares as to which there is sole power to vote or to direct the vote, shares power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition are set forth on rows 7 through 11 and row 13 of, and the footnotes included on, the cover pages of this Amendment No. 1, all of which are incorporated herein by reference.
    (b)
    Item 5 of the Schedule 13D is hereby amended as set forth below. Calculations of the percentage of shares of ordinary shares beneficially owned assumes that there were 18,285,638 ordinary shares outstanding as of the date of this report, based on information provided by the Issuer. The change in the Reporting Person's percentage beneficial ownership reported in this Amendment No. 1 resulted solely from the increase in the number of outstanding ordinary shares. The Reporting Person has not disposed of or acquired any ordinary shares since the filing of Schedule 13D on March 6, 2025. The aggregate number and percentage of the ordinary shares beneficially owned by the Reporting Person, the number of shares as to which there is sole power to vote or to direct the vote, shares power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition are set forth on rows 7 through 11 and row 13 of, and the footnotes included on, the cover pages of this Amendment No. 1, all of which are incorporated herein by reference.

        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.

     
    LINGTAO KONG
     
    Signature:/s/ Lingtao Kong
    Name/Title:Lingtao Kong
    Date:12/01/2025
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