SEALSQ Corp. Announces Series A Investment in Quobly SAS

SEALSQ Corp. has entered into a Series A Investment Agreement to acquire a minority interest in Quobly SAS, a French company specializing in quantum computing research and development using spin qubits and semiconductor technologies. The investment, totaling EUR 14,999,400, was finalized on June 2, 2026. SEALSQ subscribed for Series A preferred shares with broad-based anti-dilution ratchet warrants, allowing for potential adjustments to the subscription price based on future share issuances by Quobly. As part of the agreement, SEALSQ and two other investors have secured the right to appoint one member each to Quobly’s supervisory board. SEALSQ has appointed its CEO, Carlos Moreira, to its board seat. Additionally, any two investor board members can veto significant corporate decisions, including bylaw amendments, mergers, and new securities issuances. The filing also includes standard forward-looking statements and incorporates information by reference into existing SEC filings.