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Form 8-K

sec.gov

8-K — Nauticus Robotics, Inc.

Accession: 0001849820-26-000034

Filed: 2026-03-30

Period: 2026-03-27

CIK: 0001849820

SIC: 3569 (GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC)

Item: Unregistered Sales of Equity Securities

Documents

8-K — kitt-20260327.htm (Primary)

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8-K

8-K (Primary)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): March 27, 2026

NAUTICUS ROBOTICS, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-40611 87-1699753

(State or other jurisdiction

of incorporation) (Commission File Number) (IRS Employer

Identification No.)

17146 Feathercraft Lane, Suite 450, Webster, TX 77598

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (281) 942-9069

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock KITT The Nasdaq Stock Market LLC

Warrants KITTW The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 3.02 Unregistered Sale of Equity Securities.

As previously disclosed by the Company in its filings with the SEC, on December 3, 2025, the Company entered into those certain Amendment and Exchange Agreements (collectively, the “Exchange Agreements”), by and among the Company and certain institutional investors (each, an “Investor”), pursuant to which each Investor may exchange (each, an "Exchange"), in one or more exchanges, certain original issue discount senior secured convertible debentures due 2026 of the Company (each, an “Existing Debenture”, and collectively, the “Existing Debentures”) into shares of the Company’s Series C preferred convertible stock (the “Series C Preferred Stock”). On February 9, 2026, the Company issued an Existing Debenture in the aggregate principal amount of $2,000,000 (the “Existing February Debenture”) to an Investor. On March 27, 2026, such Investor and the Company consummated an Exchange pursuant to the Exchange Agreement by and between the Company and such Investor, whereby the Investor exchanged all of the principal amount of the Existing February Debenture into 2,023 shares of Series C Preferred Stock, in reliance on the exemption from registration provided by Section 3(a)(9) of the Securities Act of 1933, as amended (the “Securities Act”). Upon consummation of the Exchange, the Company issued 2,023 shares of Series C Preferred Stock to such Investor.

The exchanges described herein were undertaken in reliance upon the exemptions from registration afforded by Section 3(a)(9) of the Securities Act. The securities may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements. Neither this Report nor the exhibits attached hereto, is an offer to sell or the solicitation of an offer to buy the securities described herein.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: March 30, 2026 Nauticus Robotics, Inc.

By: /s/ Jimena Begaries

Name: Jimena Begaries

Title: Interim Chief Financial Officer

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Mar. 27, 2026

Document Information [Line Items]

Document Type

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Document Period End Date

Mar. 27, 2026

Entity Registrant Name

NAUTICUS ROBOTICS, INC.

Entity Incorporation, State or Country Code

DE

Entity File Number

001-40611

Entity Tax Identification Number

87-1699753

Entity Address, Address Line One

17146 Feathercraft Lane

Entity Address, Address Line Two

Suite 450

Entity Address, City or Town

Webster

Entity Address, State or Province

TX

Entity Address, Postal Zip Code

77598

City Area Code

281

Local Phone Number

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Security Exchange Name

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