WISeKey International Holding AG (WKEY)

Geneva, Switzerland, Dec. 09, 2025 (GLOBE NEWSWIRE) -- New Funding Push Accelerates Europe's Quantum-Safe Digital Ecosystem, Develops a Sovereign Quantum Computer, and Establishes a European Quantum Corridor

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WISeKey, SEALSQ and WISeSat.Space Successfully Launch Their New Satellite Aboard SpaceX Mission    Geneva, Switzerland, December 1, 2025 –WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, blockchain, and IoT company, in cooperation with its subsidiaries, SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, and WISeSat.Space (“WISeSat”), which focuses on space technology for secure satellite communication, specifically for IoT applications, is pleased to announce the successful launch of its latest WISeSat satellite aboard a SpaceX mission. This achievement marks another significant milestone in WISeSat's strategy to deploy a secure, resilient, and sovereign constellation enabling real-time, low-power, IoT and cybersecurity services worldwide.

WISeKey International Holding Ltd Announces Plans to Redomicile to the British Virgin Islands WISeKey BVI's ordinary shares are expected to be listed and traded on both Nasdaq and SIX Swiss Exchange Zug, Switzerland, November 18, 2025 – Ad hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd.

WISeKey to receive $250 million in equity of WISeSat.Space Holdings Corp. Transaction anticipated to close in the first half of 2026 Canton of Zug, Switzerland and Singapore, Nov. 10, 2025 (GLOBE NEWSWIRE) -- WISeKey International Holding AG (“WISeKey”) (Nasdaq: WKEY; SIX: WIHN), a global leader in cybersecurity, digital identity, and IoT solutions platform, and Columbus Acquisition Corp. (“Columbus”) (Nasdaq: COLA), a Cayman Islands publicly traded special purpose acquisition company (SPAC), today announced that they have entered into a definitive Business Combination Agreement, dated as of November 9, 2025 (the “Business Combination Agreement”), for a business combination of Columbus and WISeKey's wholly owned subsidiary, WISeSat.Space Corp. (“WISeSat”), a British Virgin Islands holding company that wholly-owns WISeKey's operating subsidiary WISeSat.Space AG, resulting in a public company listed on the Nasdaq Stock Exchange to be named WISeSat.Space Holdings Corp. (“Pubco”).  Upon closing, pursuant to the terms of the Business Combination Agreement, WISeKey will receive 25.0 million shares in Pubco at $10 per share and retain majority ownership.

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 to receive $250 million in equity of WISeSat.Space Holdings Corp. Transaction anticipated to close in the first half of 2026 Canton of Zug, Switzerland and Singapore, November 10, 2025 -- Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding AG (“WISeKey”) (Nasdaq: WKEY; SIX: WIHN), a global leader in cybersecurity, digital identity, and IoT solutions platform, and Columbus Acquisition Corp. (“Columbus”) (Nasdaq: COLA), a Cayman Islands publicly traded special purpose acquisition company (SPAC), today announced that they have entered into a definitive Business Combination Agreement, dated as of November 9, 2025 (the “Business Combination Agreement”), for a business combination of Columbus and WISeKey's wholly owned subsidiary, WISeSat.Space Corp. (“WISeSat”), a British Virgin Islands holding company that wholly-owns WISeKey's operating subsidiary WISeSat.Space AG, resulting in a public company listed on the Nasdaq Stock Exchange to be named WISeSat.Space Holdings Corp. (“Pubco”).

Geneva, Switzerland, Nov. 04, 2025 (GLOBE NEWSWIRE) -- SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, together with its parent company WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading Swiss cybersecurity, AI, and IoT company, and WISeSat.Space which focuses on space technology for secure satellite communication, today provided an update on the evolution of its collaboration with the Swiss Armed Forces (SAF). This partnership, initiated in 2022, continues to advance Switzerland's sovereign space and cybersecurity infrastructure by combining secure IoT satellites with trusted digital identity and post-quantum cryptographic technologies.

WISeKey and Swiss Armed Forces Advance Quantum-Secure Satellite Security Geneva and Bern, Switzerland – November 4, 2025 – WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading Swiss cybersecurity, AI, and IoT company, together with its subsidiaries WISeSat.Space which focuses on space technology for secure satellite communication, and SEALSQ Corp (NASDAQ: LAES), ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, today provided an update on the evolution of its collaboration with the Swiss Armed Forces (SAF). This partnership, initiated in 2022, continues to advance Switzerland's sovereign space and cybersecurity infrastructure by combining secure IoT satellites with trusted digital identity and post-quantum cryptographic technologies.

WISeKey International Holding Ltd. Sponsored ADR (NASDAQ: WKEY - Get Free Report) saw a large growth in short interest during the month of October. As of October 15th, there was short interest totaling 254,600 shares, a growth of 38.7% from the September 30th total of 183,600 shares. Approximately 4.7% of the company's stock are short sold.

WISeKey Affiliate WISeSat.Space Teams Up with INNOSPACE for Post-Quantum Satellite Launches Geneva, Switzerland / Sejong, South Korea – October 29, 2025 – WISeKey International Holding (“WISeKey” or the “Company”) (NASDAQ: WKEY; SIX: WIHN), a leading global cybersecurity, AI, and IoT company, alongside its subsidiaries WISeSat.Space (“WISeSat”), the pioneering provider of secure satellite communications, and SEALSQ Corp (NASDAQ: LAES) (“SEALSQ”) have signed a Memorandum of Understanding (MoU) aiming to establish a strategic partnership with INNOSPACE Co., Ltd, a South Korean satellite launch service company. This collaboration marks a significant milestone in advancing secure and efficient satellite deployment, leveraging South Korea's rapidly growing space ecosystem.

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 Reports preliminary unaudited 9M 2025 revenue of $10.6 million, +39% year on year growth Reaffirms its FY 2025 Revenue Guidance of $18 to $21.0 Million, Representing a 51%–76% Year-on-Year Growth Updates on Quantum Shield QS7001™ and WISeSat 3.0 PQC Launch, Both Scheduled for November 2025 New Quantum-Resistant Offerings, Solutions to Safeguard AI Operations , Quantix Edge Partnership, and IC'ALPS Acquisition to Drive 2026 Revenue Surge and Global Expansion Geneva, Switzerland – October 14, 2025: – Ad-Hoc announcement pursuant to Art. 53 of SIX Listing Rules – WISeKey International Holding Ltd.

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

Geneva, Switzerland / India, Sept. 29, 2025 (GLOBE NEWSWIRE) --   SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products,, a subsidiary of WISeKey International Holding AG (Nasdaq: WKEY, SIX: WIHN), a global leader in cybersecurity, digital identity, and IoT solutions platform, today announced the signing of a Term Sheet with Kaynes SemiCon to form a Joint Venture company, SEALKAYNESQ Ltd, to be established in India.

WISeKey International Holding AG (NASDAQ:WKEY ) Q2 2025 Earnings Call September 26, 2025 8:00 AM EDT Company Participants Carlos Moreira - Founder, Chairman & CEO John O'Hara - CFO, International Financial Controller & Director Conference Call Participants Matthew Galinko - Maxim Group LLC, Research Division Presentation Operator Greetings, ladies and gentlemen, and welcome to the WISeKey International Holdings 2025 Interim Financial Results Earnings Conference Call. As a reminder, this conference call contains forward-looking statements.

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