WISeKey International Holding AG: directors' dealings · Switzerland · SIX SER

About WISeKey International Holding AG

WISeKey International Holding AG (ticker WIHN) is a Swiss technology group listed on the SIX Swiss Exchange (SMI/SPI), operating in one of the most strategically relevant areas of the digital economy: cybersecurity, digital identity and the Internet of Things (IoT). Headquartered in Switzerland, WISeKey is organized as an operating holding company built around several specialized subsidiaries. Its platform today includes SEALSQ for semiconductors, public key infrastructure (PKI) and post-quantum technology products; WISeKey SA for Root of Trust and secure authentication/identification solutions; WISeSat for secure satellite communication for IoT use cases; and WISe.ART for blockchain-based trusted NFT applications. This structure gives the group exposure to multiple layers of the trust stack, from secure hardware to identity and connectivity. The company was incorporated in December 2015 and has since evolved from a cybersecurity and digital identity specialist into a broader technology holding platform. Its long-term narrative is centered on securing the internet and connected devices, with a particular emphasis on machine identity, cryptographic trust, and future-proof security architectures. WISeKey highlights a meaningful installed base of IoT microchips and a longstanding expertise in Root of Trust technology, which is designed to authenticate devices, protect transactions and enable secure interactions between people, objects and digital systems. That positioning matters in markets where reliable identity and trusted hardware are becoming foundational requirements. From a competitive standpoint, WISeKey operates in fragmented but high-barrier markets that include cybersecurity, secure semiconductors and digital trust services. Its differentiation lies in the combination of hardware, software, identity and connectivity under a single ecosystem. Key offerings include secure chips, PKI-based authentication solutions, post-quantum security technologies, IoT cybersecurity products and satellite-enabled connectivity for connected assets. The company’s proposition is broader than that of a pure-play software vendor, but execution is also more complex because value creation depends on product integration, commercialization and the scaling of several business lines at different stages of maturity. WISeKey’s geographic footprint is international, while its corporate base remains in Switzerland, giving it a Swiss listing profile with global ambitions. In 2025, the group’s recent news flow has been dominated by platform-building moves: SEALSQ completed the acquisition of IC’ALPS, strengthening the semiconductor design capabilities of the group, and WISeKey also announced a proposed transaction involving its WISeSat.Space subsidiary, signaling a continued effort to unlock value through subsidiary-level corporate actions. For investors, WISeKey should be viewed as a growth-oriented and higher-risk technology name, with upside tied to its ability to commercialize post-quantum security, scale its IoT trust stack and execute on its portfolio of strategic initiatives.