Company: KITTW
Filing Date: 2025-05-29
Form Type: 8-K/A
Source: 0001849820-25-000141
Chunk: 0

Company: Nauticus Robotics, Inc.
Filing Date: 2025-05-29
Form: 8-K/A
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### FORM 8-K/A

### CURRENT REPORT

#### PURSUANT TO SECTION 13 OR 15(d) OF THE

#### SECURITIES EXCHANGE ACT OF 1934
<div align='center'>Date of Report (Date of earliest event reported): March 20, 2025</div>

#### NAUTICUS ROBOTICS, INC.
<div align='center'>(Exact name of registrant as specified in its charter)</div>

| Delaware                     |     | 001-40611               |     | 87-1699753         |
| (State or other jurisdiction 
 of incorporation)            |     | -Commission File Number |     | -IRS Employer      
 Identification No. |

<div align='center'>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</div>

#### Not Applicable
<div align='center'>(Former name or former address, if changed since last report)</div>

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