Company: KITTW
Filing Date: 2025-06-30
Form Type: 424B3
Source: 0001849820-25-000159
Chunk: 20

Company: Nauticus Robotics, Inc.
Filing Date: 2025-06-30
Form: 424B3
Chunk 20
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 otherwise filed with the SEC are not intended to be comprehensive and are qualified by reference to these filings. You should review the complete document to evaluate these statements. You can obtain a copy of the registration statement from the SEC’s website.

If you make a request for such information in writing or by telephone, we will provide you, without charge, a copy of any or all of the information incorporated by reference into this prospectus supplement. Any such request should be directed to:

#### Corporate Secretary Nauticus Robotics, Inc.

#### 17146 Feathercraft Lane, Suite 450

#### Webster, TX 77598
<div align='center'>(281) 942-9069

S-18</div>

### INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
The SEC allows us to “incorporate by reference” certain information into this prospectus supplement, which means that we can disclose important information about us by referring you to another document filed separately with the SEC. The information incorporated by reference is considered to be a part of this prospectus supplement. Because we are incorporating by reference future filings with the SEC, this prospectus supplement is continually updated and those future filings may modify or supersede some of the information included or incorporated in this prospectus supplement. This means that you must carefully review all of the SEC filings that we incorporate by reference to determine if any of the statements in this prospectus supplement or in any document previously incorporated by reference have been modified or superseded. However, we undertake no obligation to update or revise any statements we make, except as required by law.

This prospectus supplement incorporates by reference the documents listed below (in each case, other than those documents or the portions of those documents not deemed to be filed, including information furnished under Item 2.02 or Item 7.01 of Form 8-K and any corresponding information furnished with respect to such Items under Item 9.01 or as an exhibit):

| ● 
 ● |     | our Annual Report on Form 10-K for fiscal year ended December 31, 2024, filed with the SEC on April 15, 2025;                                                                                                                                                                                                                            
 our Quarterly Report on Form 10-Q for fiscal quarter ended March 31, 2024, filed with the SEC on May 14, 2025;                                                                                                                                                                                                                           |
|:--|:----|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ● |     | our definitive proxy statements on Schedule 14A filed with the SEC on April