Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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

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(Print or Type Responses)

1. Name and Address of Reporting Person * RCB EQUITIES 1, LLC 2. Issuer Name and Ticker or Trading Symbol Nauticus Robotics, Inc. [KITT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 5862 W. 3RD STREET 3. Date of Earliest Transaction (Month/Day/Year) 09/30/2026 (Street) LOS ANGELES, CA 90036 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 COMMON STOCK 09/30/2026 C 168,011(3) A $1.488 293,091(4) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

SENIOR SECURED TERM LOAN (09/23/2023, AS AMENDED)

$1.488

09/30/2026

C

$250,000

(1)

(2)

COMMON STOCK, $0.0001 PAR VALUE

168,011

$1.488

$1,050,000(5)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
RCB EQUITIES 1, LLC 5862 W. 3RD STREET LOS ANGELES, CA 90036		X
DROR BRIAN ISAAC 5862 W. 3RD STREET LOS ANGELES, CA 90036				MANAGER OF REPORTING OWNER

Signatures

BRIAN ISAAC DROR		10/01/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Immediately upon notice
(2)	None
(3)	On September 30, 2026, RCB Equities #1, LLC converted $250,000 of the outstanding principal under the Senior Secured Term Loan Agreement dated September 18, 2023 (as amended by the Sixth Amendment dated September 30, 2026) into 168,011 shares of Common Stock at a conversion price of $1.488 per share. The conversion price of $1.488 per share was available for conversion notices delivered from September 30, 2026, through and including October 2, 2026. Prior to this conversion, RCB Equities #1, LLC beneficially owned approximately 125,080 shares of Common Stock.
(4)	On September 24, 2026, Issuer effected a 1 for 6 reverse stock split. Prior to the reverse stock split, RCB Equities #1, LLC beneficially owned approximately 750,843 shares of Common Stock.
(5)	Following the September 30, 2026 conversion of $250,000 of the Senior Secured Term Loan, the remaining outstanding balance of the term loan is subject to confirmation from the loan records.

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