WISeKey International Holding Ltd - American Depositary Shares (WKEY)

 

WISeKey to ConnectWISeRobot.CH to the WISeSat.Space Constellation protected by SEALSQ Post-Quantum Cryptography; The Robot PoC will be showcased at WISeKEY’s CEO Carlos Moreira’s next public appearance in France at Tech & Fest

WISeSat and SEALCOIN Formalize Strategic Collaboration to Enable Satellite-Based Machine Transactions

WISeSat.Space Brought Together Global Thought-Leaders to Davos to Address Quantum Security in Space

WISeKey’s Subsidiary, WISeSat Joins Forces with Spacetalk to Operate a Neutral Platform Dedicated to Global Space Traffic Coordination        

WISeKey to Unveil SEALCOIN Space-Based, Quantum-Resistant Crypto Transactions at Davos 2026

WISeKey, WISeSat.Space and SEALSQ To Host “Trust and Convergence 2026: The Year of Quantum Security” Discussions During Flagship Davos Gathering

WISeKey and Partners Present the Human-AI-T Manifesto at Davos 2026 during the WISeKey Event

WISeKey’s Subsidiary, SEALSQ Announces Entry into a Memorandum of Understanding Regarding a Potential Strategic Investment and Acquisition of Quantum Computing Firm Quobly

WISeKey, together with its Subsidiaries, WISeSat and SEALSQ, to Partner with Kaynes Technology’s Satellite Subsidiary KSTPL, to Manufacture Post-Quantum Secure WISeSats Satellites in India and Establish India as a Strategic Launch Hub

Canton of Zug, Switzerland and Singapore – December 29, 2025 - WISeKey International Holding AG (Nasdaq: WKEY) (“WISeKey”) , a global leader in cybersecurity, digital identity, and IoT solutions platform, and Columbus Acquisition Corp. (Nasdaq: COLA) (“Columbus”), a publicly traded special purpose acquisition company, today announced the confidential submission of a draft registration statement on Form F-4 (the “Confidential Registration Statement”) with the U.S. Securities and Exchange Commission (“SEC”) on December 23, 2025. The Confidential Registration Statement relates to the business combination previously announced on November 10, 2025 (the “business combination”), pursuant to the Business Combination Agreement, as of such date, among Columbus, WISeSat.Space Holdings Corp., a British Virgin Islands business company (“Pubco”), WISeSat.Space Corp., a British Virgin Islands business company (the “WISeSat”) which wholly-owns WISeSat.Space AG, a Swiss company, and the other parties thereto including WISeKey as a Seller (the “Business Combination Agreement”). At the completion of the business combination, each of WISeSat and Columbus will become wholly owned subsidiaries of Pubco. This submission of the Confidential Registration Statement by Pubco marks an important milestone toward the completion of the business combination.

Geneva, Switzerland, December 22, 2025 – WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, blockchain, and IoT company, today issued a Letter to Shareholders by its Founder and CEO, Carlos Moreira.

WISeKey, SEALSQ and WISeSat.Space Successfully Launch Their New Satellite Aboard SpaceX Mission  

WISeKey International Holding Ltd Announces Plans to Redomicile to the British Virgin Islands

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.

WISeKey Affiliate WISeSat.Space Teams Up with INNOSPACE for Post-Quantum Satellite Launches

WISeKey’s WISeSat.Space to Test Post-Quantum Communication from Space During SpaceX Launch on November 10, 2025

WISeKey Announces 9M 2025 Preliminary Revenue and Key Financial Metrics

WISeKey’s Subsidiaries, SEALSQ and SEALCOIN AG, Unite to Future-Proof AI Agents with Post-Quantum Security  

WISeKey Reports H1 2025 Results; Updates on the Quantum Convergence Strategy Underpinned by a Strong Balance Sheet

WISeSat.Space announced at Paris Space Week the Launch this fourth quarter with a World First: SEALCOIN Exchange from Space Opening the Way for Blockchain Transactions in Orbit.

WISeKey’s WISeSat Subsidiary Expand its Ground Segment Network in Switzerland