Table of Contents As filed with the Securities and Exchange Commission on January 29, 2026. Registration No. 333-292700 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 Liftoff Mobile, Inc. (Exact Name of Registrant as Specified in its Charter) (State or other jurisdiction of incorporation or organization) Delaware 7370 86-1817506 (Primary Standard Industrial Classification Code Number) (I.R.S. Employe ...

Table of Contents As filed with the Securities and Exchange Commission on January 28, 2026. Registration No. 333-292700 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 Liftoff Mobile, Inc. (Exact Name of Registrant as Specified in its Charter) (State or other jurisdiction of incorporation or organization) Delaware 7370 86-1817506 (Primary Standard Industrial Classification Code Number) (I.R.S. Employe ...

As filed with the Securities and Exchange Commission on January 16, 2026. Registration No. 333-292700 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 Liftoff Mobile, Inc. (Exact Name of Registrant as Specified in its Charter) (State or other jurisdiction of incorporation or organization) Delaware 7370 86-1817506 (I.R.S. Employer Identification No.) (Primary Standard Industrial Classification Code Numb ...

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 ...