Core Viewpoint - WISeKey International Holding AG is set to receive $250 million in equity from the business combination with Columbus Acquisition Corp, which will result in the formation of WISeSat.Space Holdings Corp, a publicly listed company on Nasdaq, expected to close in the first half of 2026 [1][5][6] Company Overview - WISeSat, through its subsidiary WISeSat.Space AG, offers a next-generation satellite platform aimed at providing secure and cost-effective IoT connectivity globally, utilizing post-quantum cryptographic technology [2][15] - The company has launched 22 satellites, with 14 currently operational, and aims to expand its constellation to 100 satellites by 2030, targeting industries such as logistics, agriculture, energy, and defense [2][4] Business Combination Agreement - The Business Combination Agreement stipulates that WISeKey will receive 25 million shares of the new entity at an implied value of $10 per share, resulting in a $250 million equity valuation [1][5] - The agreement has been unanimously approved by the boards of directors of WISeKey, WISeSat, and Columbus, and is subject to shareholder approval and customary closing conditions [6][10] Management Commentary - Carlos Moreira, CEO of WISeKey, emphasized that this transaction is a significant milestone in building a secure satellite infrastructure and aims to enhance the company's capital base for future expansion [4][5] - Fen Zhang, CEO of Columbus, expressed excitement about the transaction, highlighting WISeSat's potential in secure satellite communications [5] Technological Advancements - WISeSat is preparing to launch a next-generation post-quantum-secure satellite equipped with SEALSQ's Quantum Shield technology, which will serve as a testbed for new communication protocols [3][4] - The satellites are designed to ensure data integrity and transparency, leveraging Hedera distributed ledger technology to support a decentralized network [2][4] Future Plans - The company plans to deploy a total of 100 satellites by 2030, reinforcing its commitment to secure, sovereign, and sustainable space communications [2][4] - The business combination is expected to accelerate the commercialization of WISeSat's satellite-based cybersecurity and IoT ecosystem [4][5]

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 ...

As filed with the Securities and Exchange Commission on December 26, 2024 Registration No. 333-283278 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 _________________________________ COLUMBUS ACQUISITION CORP (Exact name of registrant as specified in its constitutional documents) _________________________________ Not Applicable (Translation of Registrant's name into ...

As filed with the Securities and Exchange Commission on November 15, 2024 Registration No. 333-[__] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _________________________________ COLUMBUS ACQUISITION CORP (Exact name of registrant as specified in its constitutional documents) Cogency Global Inc. 122 East 42 nd Street, 18 th Floor New York, New York 10168 United States (800) 221-0102 (Name, address, including zip code ...