Table of Contents As filed with the Securities and Exchange Commission on May 8, 2025. Registration No. 333-286799 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 Churchill Capital Corp X (Exact Name of Registrant as Specified in its Charter) (State or Other Jurisdiction of Incorporation or Organization) Cayman Islands 6770 86-1946291 (Primary Standard Industrial Classification Code Number) (IRS Emplo ...