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

    10/31/25 5:44:58 PM ET
    $KITT
    Industrial Machinery/Components
    Industrials
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    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 2)


    Nauticus Robotics, Inc.

    (Name of Issuer)


    Common stock, par value $0.0001 per share

    (Title of Class of Securities)


    63911H306

    (CUSIP Number)


    Chelsea Hassell
    Chevron House, 11 Church Street, First Floor (North)
    Hamilton, D0, HM11
    1 441 543-9870


    Sandro Thoma
    Turmstrasse 30,
    Steinhausen, V8, CH-6312
    41 41 749-0500

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
    10/28/2025

    (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.
    63911H306


    1 Name of reporting person

    Transocean International Limited
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox 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

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

    0.00
    8Shared Voting Power

    2,150,716.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    2,150,716.00
    11Aggregate amount beneficially owned by each reporting person

    2,150,716.00
    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)

    15.8 %
    14Type of Reporting Person (See Instructions)

    CO

    Comment for Type of Reporting Person:
    (1) See Item 3 for additional information regarding the source of funds reported in Row (4). (2) The shares of common stock of the Issuer reported as beneficially owned by the Reporting Person were acquired in connection with the Note Conversion (as defined below). The amount reported also includes 6,421 additional shares of the Issuer's common stock issuable to the Reporting Person on or before September 9, 2027, pursuant to certain earnout conditions, as described in the Merger Agreement (the "Earnout Shares"). (3) The percentage reported in Row (13) is based on 13,603,877 shares of the Issuer's common stock outstanding as of October 30, 2025, as provided by the Issuer, including all Conversion Shares (as defined below) and Earnout Shares in accordance with Rule 13d-3(d)(1)(i).


    SCHEDULE 13D

    CUSIP No.
    63911H306


    1 Name of reporting person

    Transocean Ltd.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox 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

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

    0.00
    8Shared Voting Power

    2,150,716.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    2,150,716.00
    11Aggregate amount beneficially owned by each reporting person

    2,150,716.00
    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)

    15.8 %
    14Type of Reporting Person (See Instructions)

    CO

    Comment for Type of Reporting Person:
    (1) See Item 3 for additional information regarding the source of funds reported in Row (4). (2) The shares of common stock of the Issuer reported as beneficially owned by the Reporting Person consist of the Conversion Shares and Earnout Shares owned by Transocean International Limited. (3) The percentage reported in Row (13) is based on 13,603,877 shares of the Issuer's common stock outstanding as of October 30, 2025, as provided by the Issuer, including all Conversion Shares and Earnout Shares in accordance with Rule 13d-3(d)(1)(i).


    SCHEDULE 13D

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

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

    Nauticus Robotics, Inc.
    (c)Address of Issuer's Principal Executive Offices:

    17146 FEATHERCRAFT LANE, SUITE 450, WEBSTER, TEXAS , 77598.
    Item 1 Comment:
    This Amendment No. 2 to Schedule 13D (this "Amendment") amends and supplements the statement on Schedule 13D originally filed with the U.S. Securities and Exchange Commission on September 19, 2022, as previously amended (the "Prior 13D"), with respect to the common stock of Nauticus Robotics, Inc. (the "Issuer"). Unless set forth in this Amendment, all Items are unchanged from the Prior 13D. Capitalized terms used and not defined herein shall have the meanings ascribed to them in the Prior 13D. Item 1 is deleted in its entirety and replaced with the following: This statement on Schedule 13D (as amended, this "statement") relates to the common stock, par value $0.0001 per share (the "common stock"), of the Issuer. The principal executive office of the Issuer is located at 17146 Feathercraft Lane, Suite 450, Webster, TX 77598.
    Item 2.Identity and Background
    (a)
    Item 2 is amended and superseded, as the case may be, as follows: This Amendment is being filed jointly by Transocean International Limited (formerly known as Transocean Inc.) and Transocean Ltd. as separate persons and not as members of a group.
    (b)
    The principal business address of Transocean International Limited is Chevron House, 11 Church Street, First Floor (North), Hamilton, HM11, Bermuda. The principal business address of Transocean Ltd. is Turmstrasse 30, CH-6312 Steinhausen, Switzerland.
    (c)
    Transocean International Limited is a wholly owned subsidiary of Transocean Ltd. Transocean Ltd. is a leading international provider of offshore contract drilling services for oil and gas wells.
    (d)
    None of the Reporting Persons, during the last five years, has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
    (e)
    None of the Reporting Persons, during the last five years, has been party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceedings was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
    (f)
    Transocean International Limited is a Bermuda exempted company limited by shares. Transocean Ltd. is a Swiss corporation.
    Item 3.Source and Amount of Funds or Other Consideration
     
    Item 3 is deleted in its entirety and replaced with the following: The shares of the Issuer's common stock reported herein as being beneficially owned by the Reporting Persons consists of the Earnout Shares and 2,144,295 shares of the Issuer's common stock acquired on October 28, 2025 (the "Conversion Shares") by Transocean International Limited in connection with the exercise of its right to convert $3,000,000 of outstanding principal amount of loans, together with accrued interest (the "Note Conversion"), made pursuant to that certain Senior Secured Term Loan Agreement, dated as of September 18, 2023, by and among the Issuer, the collateral agent and the other lenders party thereto (as amended, the "Convertible Note"). Loans made pursuant to the Convertible Note were convertible into shares of the Issuer's common stock at a conversion price of $1.76 per share.
    Item 4.Purpose of Transaction
     
    Item 4 is deleted in its entirety and replaced with the following: The information set forth in Item 3 above is incorporated into this Item 4 by reference. Except as described in this Amendment, the Reporting Persons do not have any present plans or proposals that relate to or would result in any of the actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D.
    Item 5.Interest in Securities of the Issuer
    (a)
    As of the date hereof, Transocean International Limited beneficially owns 2,150,716 shares of the Issuer's common stock, constituting approximately 15.81% of the 13,603,877 shares of the Issuer's common stock outstanding as of October 30, 2025, as provided by the Issuer, including all Conversion Shares and Earnout Shares in accordance with Rule 13d-3(d)(1)(i). Because Transocean Ltd. controls Transocean International Limited, both Transocean Ltd. and Transocean International Limited are deemed to beneficially own the shares of common stock that Transocean International Limited holds directly or has a right to acquire.
    (b)
    Transocean Ltd. and Transocean International Limited have shared voting and dispositive power over the shares of common stock beneficially owned by Transocean International Limited.
    (c)
    Except as described herein, the Reporting Persons have not effected any reportable transactions in the shares of the Issuer's common stock within the last 60 days.
    (d)
    Except as set forth herein, no other person is known by the Reporting Persons to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities owned by the Reporting Persons.
    (e)
    Not applicable.
    Item 6.Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
     
    The information provided or incorporated by reference in Item 3 and Item 4 is hereby incorporated by reference herein.

        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.

     
    Transocean International Limited
     
    Signature:/s/ Daniel Ro-Trock
    Name/Title:Daniel Ro-Trock, by Power of Attorney
    Date:10/31/2025
     
    Transocean Ltd.
     
    Signature:/s/ Daniel Ro-Trock
    Name/Title:Assistant Corporate Secretary
    Date:10/31/2025
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