Sec Form 4/A Filing - Yamokoski John @ Nauticus Robotics, Inc. - 2022-09-09

FORM 4/A Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Yamokoski John 2. Issuer Name and Ticker or Trading Symbol Nauticus Robotics, Inc. [ KITT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) 17146 FEATHERCRAFT LANE, SUITE 450 3. Date of Earliest Transaction (MM/DD/YY) 09/09/2022 (Street) WEBSTER, TX77598 4. If Amendment, Date Original Filed (MM/DD/YY) 09/13/2022 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Earn-Out Shares $ 0 09/09/2022 A 177,401 ( 1 ) ( 1 ) Common Stock 177,401 $ 0 177,401 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Yamokoski John 17146 FEATHERCRAFT LANE SUITE 450 WEBSTER, TX77598 Chief Technology Officer Signatures /s/ John Yamokoski, by M. Dilshad Kasmani as Attorney-in-Fact 09/14/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects Earn-Out Shares issued in connection with the business combination of CleanTech Acquisition Corp. ("CLAQ"), CleanTech Merger Sub, Inc., a wholly owned subsidiary of CLAQ, and Nauticus Robotics, Inc. pursuant to the Merger Agreement dated December 16, 2021 and consummated on September 9, 2022 ("Merger Agreement"). Earn-Out Shares will be released as follows: (i) one-half will be released if, within a five-year period following the signing date of the Merger Agreement, the volume-weighted average price of the common stock equals or exceeds $15.00 per share, over any 20 trading days within a 30-day trading period; (ii) one-quarter will be released if, within a five-year period following the signing date of the Merger Agreement, the volume-weighted average price of common stock equals or exceeds $17.50 per share over any 20 trading days within a 30-day trading period; and (iii) one-quarter will be released if, within a five-year period following the signing date of the Merger Agreement, the volume-weighted average price of the common stock equals or exceeds $20.00 per share over any 20 trading days within a 30-day trading period. Any shares not eligible to be released within five years of December 16, 2021 will be forfeited and canceled. This amendment is being filed to include the Earn-Out Shares that were inadvertently omitted from the original Form 4 filed by the Reporting Person on September 13, 2022.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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