Company: KITTW
Filing Date: 2025-10-31
Form Type: 424B3
Source: 0001849820-25-000267
Chunk: 20

Company: Nauticus Robotics, Inc.
Filing Date: 2025-10-31
Form: 424B3
Chunk 20
---
 contribution to Wainwright against certain civil liabilities, including liabilities under the Securities Act.

The offering of our common stock pursuant to the Sales Agreement will terminate upon the earlier of the sale of all of the shares of our common stock provided for in this prospectus supplement or the termination of the Sales Agreement as permitted therein.

To the extent required by Regulation M, Wainwright will not engage in any market making activities involving our common stock while the offering is ongoing under this prospectus in violation of Regulation M. Wainwright and its affiliates may provide various investment banking, commercial banking, and other financial services for us and our affiliates, for which services they may in the future receive customary fees. In addition, in the ordinary course of its various business activities, Wainwright and its affiliates may make or hold a broad array of investments and actively trade debt and equity securities (or related derivative securities) and financial instruments (which may include bank loans) for their own account and for the accounts of their customers. Such investments and securities activities may involve securities and/or instruments of ours or our affiliates. Wainwright or its affiliates may also make investment recommendations and/or publish or express independent research views in respect of such

<div align='center'>S-15</div>

securities or financial instruments and may hold, or recommend to clients that they acquire, long and/or short positions in such securities and instruments.

The At The Market Offering Agreement has been filed as an exhibit to a Current Report on Form 8-K on May 20, 2024. This prospectus supplement in electronic format may be made available on a website maintained by Wainwright, and Wainwright may distribute this prospectus supplement electronically.

<div align='center'>S-16</div>

### LEGAL MATTERS
The validity of the shares of common stock offered hereby will be passed upon for us by Norton Rose Fulbright US LLP, Houston, Texas. Ellenoff Grossman & Schole LLP, New York, New York, is counsel for Wainwright in connection with this offering.

<div align='center'>S-16</div>

### WHERE YOU CAN FIND MORE INFORMATION
We file Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K, proxy statements, and other information with the SEC. Our SEC filings are available to the public over the Internet at the SEC’s website at www.sec.gov .

Copies of certain information filed by us with the SEC are also available on our website at www.n