Company: KITTW
Filing Date: 2025-10-24
Form Type: DEFA14A
Source: 0001849820-25-000252
Chunk: 0

Company: Nauticus Robotics, Inc.
Filing Date: 2025-10-24
Form: DEFA14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a)

#### of the Securities Exchange Act of 1934
Filed by the Registrant x

Filed by a Party other than the Registrant ¨

Check the appropriate box:

| ¨ |     | Preliminary Proxy Statement                                                     |
| ¨ |     | Confidential, for use of the Commission only (as permitted by Rule 14a-6(e)(2)) |
| ¨ |     | Definitive Proxy Statement                                                      |
| x |     | Definitive Additional Materials                                                 |
| ¨ |     | Soliciting Material Pursuant to Section 240.14a-12                              |

#### NAUTICUS ROBOTICS, INC.
<div align='center'>(Name of Registrant as Specified in Its Charter)</div>

Payment of Filing Fee (Check the appropriate box):

| x |     | No fee required. |

| ¨ |     | Fee paid previously with preliminary materials. |

| ¨ |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

#### Nauticus Robotics, Inc.

#### Announcement of Adjournment

#### of Special Meeting of Shareholders

#### originally scheduled for October 23, 2025
The Special Meeting of Stockholders (the “Special Meeting”) of Nauticus Robotics, Inc. (the “Company,” “Nauticus,” “we,” “us” or “our”) originally scheduled to be held on October 23, 2025 has been adjourned to November 21, 2025. The meeting will be reconvened on November 21. 2025 at 10:00 am Central time at 1550 Lamar Street, Suite 2000, Houston, TX 77010.

The record date for the Special Meeting will remain the close of business on September 22, 2025. Stockholders may vote online at www.proxyvote.com, by telephone at 1-800-690-6903, or by mail, in each case by following the information on the proxy cards provided to them. Votes will be accepted up to and during the adjourned meeting.