As filed with the U.S. Securities and Exchange Commission on December 5, 2024. Registration No. 333-281410 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 4 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ___________________________________________ Mountain Lake Acquisition Corp. (Exact name of registrant as specified in its charter) ___________________________________________ Cayman Islands 6770 98-1796213 (State or other jurisdiction of incorporati ...