Item 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. As previously discussed, on May 22, 2026, Columbus Acquisition Corp, a Cayman Islands exempted company (the “ Company MVLS Notice Staff Nasdaq MVLS MVLS Rule On May 28, 2026, the Company the Company received a written notice from Nasdaq notifying the Company that the Staff has determined that for the last 10 consecutive business days, from May 13, 2026 to May 27, 2026, the Company’s MVLS has been $50 million or greater. Accordingly, the Company has regained compliance with the MVLS Rule and the Staff has indicated that the matter is now closed. 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 By: /s/ Name: Fen Title: Chief