As filed with the U.S. Securities and Exchange Commission on September 1, 2023 Registration No. 333-273752 NAUTICUS ROBOTICS, INC. (Exact name of registrant as specified in its charter) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Delaware 3569 85-1699753 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identifi ...

As filed with the U.S. Securities and Exchange Commission on August 4, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NAUTICUS ROBOTICS, INC. (Exact name of registrant as specified in its charter) Delaware 3569 85-1699753 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification No.) 17146 Feathercra ...

As filed with the U.S. Securities and Exchange Commission on April 11, 2023 Registration No. 333-267375 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 4 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _____________________________ NAUTICUS ROBOTICS, INC. (Exact Name of Registrant as Specified in its Charter) _____________________________ | Delaware | 3569 | 85-1699753 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industria ...

As filed with the U.S. Securities and Exchange Commission on March 9, 2023 Registration No. 333-267375 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 3 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _____________________________ NAUTICUS ROBOTICS, INC. Nicolaus Radford Director and Chief Executive Officer Nauticus Robotics, Inc. 17146 Feathercraft Lane, Suite 450 Webster, TX 77598 (281) 942-9069 (Name, Address, Including Zip Code, and Telephone Number ...

As filed with the U.S. Securities and Exchange Commission on February 3, 2023 Registration No. 333-267375 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _____________________________ NAUTICUS ROBOTICS, INC. (Exact Name of Registrant as Specified in its Charter) _____________________________ | Delaware | 3569 | 85-1699753 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industr ...