Item 1.01. Entry into a Material Definitive Agreement The disclosures set forth under Item 5.02 are incorporated by reference.

Item 9.01 Financial Statements and Exhibits. Exhibit No. Description of Exhibits 10.1 Share Purchase Option dated March 20, 2025 issued by Hercules Capital Management VII Corp. 10.2 Indemnity Agreement dated March 20, 2025, by and between the Company and Cameron Richard Johnson, as the director of the Company. ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Columbus Acquisition Corp By: /s/ Fen Zhang Name: Fen Zhang Title: Chief Executive Officer