As filed with the U.S. Securities and Exchange Commission on January 21, 2026. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ____________________ Columbus Circle Capital Corp II (Exact name of registrant as specified in its charter) ____________________ | Cayman Islands | 6770 | 98-1890239 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | ...