REGISTRATION STATEMENT UNDER As filed with the United States Securities and Exchange Commission on January 9, 2026 under the Securities Act of 1933, as amended. Registration No. 333-290350 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ––––––––––––––––––––––––––––––––––––––– AMENDMENT NO. 4 TO FORM S-1 THE SECURITIES ACT OF 1933 ––––––––––––––––––––––––––––––––––––––– K2 Capital Acquisition Corporation (Exact name of registrant as specified in its charter) –––––––––––––––––––––––––– ...

As filed with the United States Securities and Exchange Commission on December 10, 2025 under the Securities Act of 1933, as amended. Registration No. 333-290350 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ––––––––––––––––––––––––––––––––––––––– AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ––––––––––––––––––––––––––––––––––––––– K2 Capital Acquisition Corporation (Exact name of registrant as specified in its charter) –––––––––––––––––––––––– ...

As filed with the United States Securities and Exchange Commission on September 18, 2025 under the Securities Act of 1933, as amended. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ––––––––––––––––––––––––––––––––––––––– FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ––––––––––––––––––––––––––––––––––––––– K2 Capital Acquisition Corporation (Exact name of registrant as specified in its charter) ––––––––––––––––––––––––––––––––––––––– Cayman I ...