Archimedes Tech SPAC Partners II Co(ATII) - Prospectus(update)

As filed with the U.S. Securities and Exchange Commission under the Securities Act of 1933, as amended, on February 3, 2025. Registration No. 333-282885 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 (Primary Standard Industrial Classification Code Number) Archimedes Tech SPAC Partners II Co. (Exact name of registrant as specified in its charter) Cayman Islands 6770 N/A (State or other jurisdiction o ...