FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 K2 CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 244 Fifth Avenue, Suite #1833 New York, NY 10001 (Address of principal executive offi ...

As filed with the United States Securities and Exchange Commission on January 22, 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. 5 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) ––––––––––––––––––––––––– ...

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 18, 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. 3 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 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 December 9, 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. 1 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 ...