$COLA

Columbus Acquisition Corp/Cayman Islands (COLA) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01. Entry into a Material Definitive Agreement. As previously disclosed, on November 9, 2025, Columbus Acquisition Corp, an Cayman Islands exempted company (the “Company”), entered into a business combination agreement (as it may be amended, supplemented, or otherwise modi

Columbus Acquisition Corp/Cayman Islands (COLA) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01. Entry into a Material Definitive Agreement. The disclosures set forth under Item 2.03 are incorporated by reference. Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. Pursuant to the amended an

Columbus Acquisition Corp/Cayman Islands (COLA) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01. Entry into a Material Definitive Agreement. The disclosures set forth under Item 2.03 are incorporated by reference. Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. Pursuant to the amended an

WISeKey International Holding and its subsidiary WISeSat.Space Corp. said WISeSat filed a Form F-4 with the U.S. SEC on May 29, 2026 for Pubco, a wholly owned WISeSat subsidiary. The filing supports a proposed business combination with Columbus Acquisition Corp. If completed, WISeSat and CAC would become Pubco subsidiaries and the combined company is expected to trade on Nasdaq as “SIOQ,” subject to SEC effectiveness, CAC approval, and other conditions.

WISeKey and its subsidiary WISeSat.Space Corp. said WISeSat.Space Holdings Corp. (Pubco) confidentially submitted an amended Form F-4 draft to the SEC on May 29, 2026, tied to a proposed business combination with Columbus Acquisition Corp. (Nasdaq: COLA). If completed, WISeSat and CAC would become Pubco subsidiaries, and the combined company is expected to trade on Nasdaq as “WSAT,” subject to SEC review, CAC approval, and other conditions.

Columbus Acquisition (COLA) issued a $25,000 unsecured, zero-interest convertible promissory note to WISeSat.Space. This note funds half of a monthly trust deposit, extending the SPAC's business combination deadline to June 22, 2026. The note is convertible into private units at $10.00 each or, under specific termination conditions, into post-combination shares at $5.00 per share.

WISeKey International Holding and Columbus Acquisition Corp are progressing their WISeSat SPAC deal by confidentially filing a draft Form F-4 registration statement with the U.S. SEC. This critical step facilitates their $250 million business combination, which aims to fund the expansion of WISeSat’s low Earth orbit constellation for secure IoT connectivity. Additionally, WISeSat recently launched a post-quantum-secure test satellite to validate SEALSQ’s Quantum Shield technology, anticipating a fully functional QS7001-based satellite mission in Q1 2026.

WISeKey International Holding AG ( Nasdaq: WKEY ) and Columbus Acquisition Corp. ( Nasdaq: COLA ) Execute Definitive Business Combination Agreement to Publicly List WISeKey's Subsidiary WISeSat.Space Corp. Under The Name WISeSat.Space Holdings Corp.