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WISeKey International Holding furnished a Form 6-K that includes a press release from its affiliate SEALSQ Corp about deal discussions with Quobly. SEALSQ and Quobly have mutually agreed to stop talks on a potential majority investment or acquisition of Quobly by SEALSQ.
The parties now plan to consider a possible minority investment, to be discussed when Quobly begins its Series A financing round. Although ownership talks have shifted, SEALSQ and Quobly will continue their previously announced technical and industrial collaboration focused on combining secure semiconductor technologies with scalable quantum computing architectures.
SEALSQ Corp, a subsidiary associated with WISeKey International Holding, released preliminary unaudited figures showing strong growth for FY 2025 and an upbeat outlook for 2026. Revenue for 2025 is reported at $18 million, representing 66% year-over-year growth, as the company shifts from a development-focused phase to what it calls a “structured commercial acceleration” phase.
Management highlights more than $425 million in cash and an active business pipeline exceeding $200 million in potential revenue opportunities from 2026 through 2028, including over $60 million tied to QS7001 and QVault TPM programs. For Q1 2026, revenue is expected to exceed $4 million, more than doubling Q1 2025 and benefiting from higher Vault-IC secure element sales and the full-quarter consolidation of IC’ALPS.
For FY 2026, SEALSQ reaffirms guidance for revenue growth of 50% to 100% year-over-year, supported by recurring smart meter and PKI contracts and continued post-quantum product development, including its Quantum Shield QS7001 chip and broader quantum-secure platform investments. All results are preliminary and subject to risks described in SEALSQ’s SEC filings and final 2025 audited financial statements.
WISeKey International Holding Ltd filed a Form 6-K describing the appointment of Gwenael Rouy-Poirier as Chief Financial Officer of its satellite connectivity subsidiary WISeSat.Space Corp, effective February 2, 2026.
WISeSat focuses on secure satellite communications for IoT, defense and critical infrastructure. In November 2025, WISeSat signed a Business Combination Agreement with Columbus Acquisition Corp, a Nasdaq-listed SPAC, to pave the way for a future Nasdaq listing. Rouy-Poirier, a former senior finance leader at GKN Aerospace, Honeywell and Danaher, brings over 25 years of international finance and operational experience, including transformation, restructuring, M&A and capital-markets work across Europe, North America and Asia.
He also serves on the board and audit committee of Coda Octopus Group and advises technology and industrial companies. WISeKey highlights his role in strengthening financial governance, execution discipline and investor readiness as WISeSat scales its satellite-based secure connectivity services globally.
WISEKEY INTERNATIONAL HOLDING filed a Form 6-K as a foreign private issuer, primarily to provide investors with additional disclosure materials.
The filing furnishes as Exhibit 99.1 the Half Year Report of SEALSQ Corp, including its Management’s Discussion and Analysis of Financial Condition and Results of Operations, issued on September 9, 2025.