Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No. Name of Exhibit 3.1** Certificate of Amendment – Change of name to RTB Digital, Inc. 3.2* Certificate of Merger between RYVYL Merger Sub Inc. and RTB Digital, Inc., effective May 12, 2026 99.1** Press Release, dated May 12, 2026 104* Cover Page Interactive Data File (embedded within the inline XBRL document). Filed Previously SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. RTB By: /s/ George Oliva Name: George Oliva Title: Chief Financial Officer Dated: May 13, 2026