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 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.
SEALSQ Corp ownership disclosure: CVI Investments, Inc. and Heights Capital Management, Inc. report shared beneficial ownership of 24,377,058 shares, representing 9.9% of outstanding Ordinary Shares. The reported holding consists of 3,136,465 Shares plus additional shares issuable upon exercise of warrants subject to a 9.99% beneficial ownership cap. The filing cites 222,773,999 Shares outstanding as of March 27, 2026. Heights Capital is disclosed as investment manager to CVI Investments and serves as authorized agent pursuant to a previously filed Limited Power of Attorney.
SEALSQ Corp Vice-President of Global Sales Franck Jean Buonanno exercised employee stock options to acquire 20,000 Ordinary Shares at $0.01 per share. Following the transaction, he directly holds 30,000 Ordinary Shares. The option exercise was carried out under a Rule 10b5-1 trading plan adopted on October 13, 2025.
SEALSQ Corp filed a Form 6-K reporting the results of its 2026 Annual General Meeting of shareholders. Investors approved all resolutions presented, including the re-election of seven board members, five of whom are non-executive, each for a one-year term ending at the 2027 AGM.
The AGM was held in person in Miami, Florida on May 7, 2026, with shareholders of record as of April 13, 2026 entitled to vote. The filing also incorporates this report by reference into SEALSQ’s existing Form F-3ASR and Form S-8 registration statements.
SEALSQ Corp vice president sells shares under trading plan
SEALSQ Corp Vice President of R&DSS Jean-Pierre Enguent reported an open-market sale of 15,000 Ordinary Shares at a weighted average price of $3.1332 per share. After this transaction, he held 0 shares directly. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on October 13, 2025, and took place through multiple trades at prices between $2.95 and $3.33 per share.
SEALSQ Corp Vice President, R&DSS Jean-Pierre Enguent exercised employee stock options to acquire 15,000 Ordinary Shares. On May 4, 2026, he exercised options with a conversion price of $0.01 per share under an Employee Stock Option Plan. Following the transaction, he directly holds 15,000 Ordinary Shares. The filing notes the option exercise was carried out under a Rule 10b5-1 trading plan adopted on October 13, 2025, indicating the transaction was pre-scheduled.
SEALSQ Corp Chief Financial Officer John Charles O'Hara reported open-market sales of a total of 25,250 Ordinary Shares of SEALSQ over three days. He sold 10,000 shares at a weighted average price of $3.0561 on April 22, 2026, 10,000 shares at $2.8800 on April 23, 2026, and 5,250 shares at $2.9065 on April 24, 2026.
All transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person. After these sales, O'Hara directly holds 280,845 Ordinary Shares, indicating he retains a substantial equity position in SEALSQ.
SEALSQ Corp Chief Financial Officer John Charles O'Hara reported selling a total of 20,000 Ordinary Shares of LAES in open-market transactions over two days. He sold 10,000 shares on April 20, 2026 at a weighted average price of $2.7879 per share and another 10,000 shares on April 21, 2026 at a weighted average price of $3.0378 per share. According to the filing, these sales were carried out under a pre-established Rule 10b5-1 trading plan, indicating they were pre-arranged rather than discretionary. Following these transactions, O'Hara directly holds 306,095 Ordinary Shares of SEALSQ Corp.