Financial Performance - For the three months ended September 30, 2025, the company reported a net income of $497,832, driven by interest income of $629,947 from the trust account, offset by general and administrative expenses of $132,115 [96]. - For the nine months ended September 30, 2025, the company achieved a net income of $1,110,246, with interest income of $1,648,194 and general and administrative expenses of $537,948 [97]. IPO and Funding - The company completed its IPO on January 24, 2025, raising total gross proceeds of $60,000,000 from the sale of 6,000,000 units at $10.00 per unit [89]. - The company intends to use substantially all net proceeds from the IPO to acquire a target business and cover related expenses [100]. - As of September 30, 2025, the company had cash of $638,311 and working capital of $587,802, with cash provided by financing activities totaling $61,066,688 [99]. Business Operations and Future Plans - The company has no revenue and has incurred losses since inception, relying on the sale of securities and loans from the sponsor to fund operations [93]. - The company has until January 22, 2026, to complete its initial business combination, or it will face automatic winding up and liquidation [104]. - The company has incurred and expects to continue incurring significant costs to remain publicly traded and pursue a business combination [103]. Debt and Financing - As of September 30, 2025, the company has no long-term debt or capital lease obligations [106]. - The company has not entered into any off-balance sheet financing arrangements as of September 30, 2025 [105].

(Exact name of registrant as specified in its charter) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-42485 Columbus Acquisition Corp Cayman Islands N/A (State or other jurisdiction of (I.R ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-42485 Columbus Acquisition Corp (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or other jurisdiction of (I. ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-42485 Columbus Acquisition Corp (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or other jurisdiction of incorporation o ...