Welcome to our dedicated page for SEALSQ SEC filings (Ticker: LAES), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
SEALSQ Corp filings document the disclosures of a British Virgin Islands foreign private issuer developing semiconductor, PKI and post-quantum security products. Its Form 6-K reports furnish annual report materials, operating and financial results, AGM notices and outcomes, governance votes, and product or certification updates for secure-element and post-quantum hardware programs.
The filing record also covers registered direct offering documents, securities purchase and placement agency agreements, ordinary shares, pre-funded warrants, Class E warrants, shelf registration references and equity incentive registration statements. These disclosures describe capital-structure changes, material agreements, liquidity and revenue commentary, board composition, and shareholder voting mechanics.
SEALSQ Corp reported two strategic acquisitions aimed at strengthening its post-quantum security offerings and completing the quantum interconnect layer of its Quantum Sovereign Vertical Stack. The company acquired a majority equity stake in Swiss firm WeCan Group, which provides compliance and client data management solutions to private banks, and committed a CHF 5 million investment to accelerate WeCan’s development and next-generation post-quantum financial security infrastructure.
SEALSQ also completed the acquisition of 100% of the share capital of Miraex SA, a photonics-based quantum interconnect developer. Miraex technology is intended to provide the link between quantum computing hardware and quantum communication networks, enabling secure, space-grade quantum connectivity for SEALSQ’s Quantum Orbital Space Cloud program. The information in this report is incorporated by reference into the company’s existing Form F-3 and Form S-8 registration statements.
SEALSQ Corp filed a Form 6-K highlighting two major strategic moves in quantum and compliance technology. The company acquired a majority equity stake in Wecan Group and committed CHF 5 million via its Quantum Fund to accelerate AI-powered, post-quantum compliance solutions for global financial institutions.
SEALSQ also acquired 100% of Miraex SA, a Swiss photonics company whose Thin Film Lithium Tantalate photonic integrated circuits provide the quantum interconnect layer between quantum processors and communication networks. This supports SEALSQ’s Quantum Sovereign Vertical Stack and its Quantum Orbital Space Cloud program, aiming to integrate post-quantum chips, satellite infrastructure and quantum networking into a single architecture.
SEALSQ Corp Chief Financial Officer John Charles O'Hara reported selling a total of 15,582 Ordinary Shares of LAES in open-market transactions. He sold 10,000 shares on June 2, 2026 at a weighted average price of $3.6931 per share and 5,582 shares on June 3, 2026 at a weighted average price of $3.53 per share. The trades were made under a pre-arranged Rule 10b5-1 trading plan adopted on October 17, 2025, indicating they were scheduled in advance. Following these sales, O'Hara directly holds 250,574 Ordinary Shares of SEALSQ Corp.
SEALSQ Corp Chief Executive Officer Carlos Moreira reported open-market sales of company stock. On June 2, 2026, he sold 10,000 Ordinary Shares at a weighted average price of $3.6905 per share. On June 3, 2026, he sold an additional 7,005 Ordinary Shares at a weighted average price of $3.5324 per share.
Both transactions were executed as open-market sales under a Rule 10b5-1 trading plan adopted on October 12, 2025. After these sales, Moreira directly holds 696,515 Ordinary Shares of SEALSQ Corp, indicating he continues to maintain a substantial ownership stake while realizing some liquidity through pre-planned trades.
SEALSQ Corp vice president Jean-Pierre Enguent reported option-related trades in Ordinary Shares. On June 1, 2026, he exercised options to acquire 15,000 Ordinary Shares at $0.01 per share and also received a grant of 60,000 stock options with the same exercise price, expiring on April 30, 2032.
On June 3, 2026, he sold 15,000 Ordinary Shares in an open-market transaction at a weighted average price of $3.5101 per share, in multiple trades between $3.44 and $3.66. Both the sale and the option exercise were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on October 13, 2025, and he reported no Ordinary Shares held directly after these transactions.
SEALSQ Corp Chief Executive Officer Carlos Moreira reported open-market sales of a total of 14,139 Ordinary Shares of LAES. He sold 4,139 shares on May 27, 2026 at a weighted average price of $3.5039 per share and 10,000 shares on May 29, 2026 at a weighted average price of $3.5086 per share.
After these transactions, Moreira directly holds 713,520 Ordinary Shares. The filing notes that these sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on October 12, 2025, indicating they were scheduled in advance rather than timed discretionarily.
SEALSQ Corp Chief Financial Officer John Charles O'Hara reported selling a total of 14,689 ordinary shares of LAES in two open-market transactions. The sales occurred on May 27 and May 29, 2026 at weighted average prices of about $3.50 per share, within disclosed price ranges between $3.50 and $3.53. These transactions were carried out under a pre-established Rule 10b5-1 trading plan. Following the sales, O'Hara directly holds 266,156 ordinary shares of SEALSQ Corp.
SEALSQ Corp Vice-President of Global Sales Franck Jean Buonanno sold 20,000 Ordinary Shares of LAES in an open-market transaction. The shares were sold at an average price of $2.90 per share, and he now directly holds 10,000 Ordinary Shares after the sale.
The transaction was carried out pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 13, 2025, indicating the sale was pre-scheduled rather than timed at discretion.
SEALSQ Corp disclosure: Anson Funds Management and related parties report beneficial ownership of 12,457,698 Ordinary Shares, representing 5.6% of SEALSQ's outstanding Ordinary Shares. The percentage is calculated using March 31, 2026 outstanding share count of 222,773,999, as reported in the issuer's Form 20-F.
The filing states that Anson Funds Management LP, Anson Management GP LLC, Tony Moore, Anson Advisors Inc., Amin Nathoo and Moez Kassam may each direct the vote and disposition of the 12,457,698 shares held by the funds.
Susquehanna Securities, LLC filed an amended Schedule 13G/A reporting beneficial ownership of 12,134,793 shares of SEALSQ Corp Ordinary Shares, representing 5.4% of the class. The filing states this total includes options to buy 10,814,300 shares. The company reported 222,773,999 shares outstanding as of March 27, 2026.