As filed with the U.S. Securities and Exchange Commission on June 6, 2025 Registration No. 333-286569 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 ___________________________________ Yorkville Acquisition Corp. (Exact name of registrant as specified in its charter) ___________________________________ | | | (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial C ...