Liftoff Mobile(LFTO) - Prospectus

As filed with the Securities and Exchange Commission on January 13, 2026.Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Liftoff Mobile, Inc. (Exact Name of Registrant as Specified in its Charter) (Primary Standard Industrial (State or other jurisdiction of incorporation or organization) Delaware 7370 86-1817506 (I.R.S. Employer Identification No.) 900 Middlefield Road Redwood City, California 9406 ...