WISeKey International Holding Ltd filings document its foreign private issuer reporting, annual report materials, and Form 6-K updates for cybersecurity, blockchain, IoT, and post-quantum semiconductor operations.
The company’s regulatory disclosures include audited annual results, shareholder communications, and exhibits tied to SEALSQ Corp., whose activities include semiconductors, PKI, post-quantum hardware and software products, and secure element technology. The filings also cover consolidated results, liquidity disclosures, governance certifications, and material press releases furnished under Exchange Act Rule 13a-16 or 15d-16.
WISeQey Corp. director Jean-Philippe Ladisa reported direct ownership of 1,339 ordinary shares and direct employee stock options that are rights to buy ordinary shares. Reported positions include rights to buy 5,370 shares at a $2.5000 exercise price, expiring December 13, 2029, and 11,243 shares at $2.5000, expiring January 31, 2031. Other reported options have $2.5000 or $0.1000 exercise prices and expirations through May 1, 2032.
WISeQey Corp. director Philippe Diego Monnier reported direct ownership of 6,773 Ordinary Shares and an Employee Stock Option Plan right to buy 2,847 underlying Ordinary Shares. The options carry an exercise price of $0.1000 per share and expire May 1, 2032.
WISeQey Corp. (WKEY) reports Chief Financial Officer and director John Charles O’Hara’s direct holdings as of October 1, 2026: 1,917 ordinary shares and options covering 4,000 ordinary shares. The options are listed as an Employee Stock Option Plan right to buy ordinary shares, separate from the directly held share balance.
WISeQey Corp. (WKEY) director Peter Ward reported direct holdings of 8,319 Ordinary Shares and 7,419 Class F Shares as of October 1, 2026. The report also lists seven direct employee stock option positions over Ordinary Shares: 22,546 and 29,368 at an exercise price of $2.50 per share, and 4,822, 12,000, 2,847, 4,894 and 2,992 at $0.10 per share. A separate option covers 174,540 Class F Shares at $0.25 per share.
WISeQey Corp. (WKEY) lists Chief Innovation Officer Moreira Andreas Feuardent’s reported holdings as of October 1, 2026: 880 Ordinary Shares directly and 301 Ordinary Shares held by his wife, reported as indirect holdings.
Wisekey International Holding S.A. (WKEY) is the issuer of record; the reported securities are shares of WISeQey Corp., successor to WISeKey International Holding AG after the October 1, 2026 merger. Following the merger, Carlos Moreira, identified as WISeQey’s Chairman and Chief Executive Officer, beneficially owned 373,903 WISeQey ordinary shares and 1,811,641 WISeQey Class F shares.
The ordinary-share amount includes 181,164 shares issuable upon conversion of his Class F shares. His ordinary shares represented approximately 9.0% of outstanding WISeQey ordinary shares, and his Class F shares represented approximately 99.6% of outstanding WISeQey Class F shares. His holdings of both classes together represented 49.8% of WISeQey’s voting rights. Under the merger terms, each WISeKey Class B share was exchanged for one WISeQey ordinary share and each Class A share for one Class F share, subject to stated holder elections.
Wisekey International Holding S.A. (WKEY) is the issuer; director Peter Ward's reported beneficial ownership concerns WISeQey Corp., the successor issuer after the merger became legally effective October 1, 2026. Ward reported beneficial ownership of 105,983 WISeQey ordinary shares, approximately 2.5% of that class, including ordinary shares issuable upon conversion of Class F shares. He separately reported 181,959 Class F shares, approximately 10% of that class, including options for 174,540 shares exercisable within 60 days. His holdings in both classes represented 0.2% of voting rights.
Ward exercised previously granted options on June 15, 2026, resulting in delivery of 11,468 Class B shares on June 23; 3,020 shares were deducted as a tax offset, leaving a net delivery of 8,448 shares. On September 24, 2026, he received options for 4,894 and 2,992 Class B shares, each with a CHF 0.10 exercise price.
Wisekey International Holding S.A. (WKEY) reported that trading on Nasdaq and SIX began under WQEY in connection with the previously announced redomiciliation from Switzerland to the British Virgin Islands. Its subsidiary WISeSat.Space Holdings Corp. (Nasdaq: SAIQ) closed a $10 million private investment in public equity (PIPE) from SEALSQ Corp. on October 1, 2026, concurrently with the closing of its business combination. The purchase price under the subscription agreement was $10.79 per share.
The subscription agreement may result in additional WISeSat.Space ordinary shares being issued to SEALSQ if the volume-weighted average price for the 10 consecutive trading days ending on the 60th calendar day after Closing is below the purchase price, subject to a $5.00 floor price. The PIPE and planned collaboration are related party transactions because WISeQey, WISeSat.Space and SEALSQ are affiliated companies in the same corporate family, and Carlos Moreira is Chief Executive Officer of each. Under the planned collaboration, WISeSat.Space would provide satellite capacity and related infrastructure for SEALSQ’s planned quantum and post-quantum services.
Wisekey International Holding S.A. (WKEY) reported that its subsidiary WISeSat.Space Holdings Corp. completed a business combination with Columbus Acquisition Corp. The transaction closed October 1, 2026, after Columbus shareholders approved it on September 30, 2026. WISeSat.Space ordinary shares began trading on the Nasdaq Capital Market under ticker SAIQ on October 2, 2026, making WISeSat.Space a separately listed public company.
WISeSat.Space focuses on secure satellite communications for Internet of Things connectivity and has deployed satellites into orbit since 2024. It aims to integrate satellite communications with hardware-based security, device authentication and post-quantum protection. The broader group says it has deployed over 1.6 billion microchips across IoT sectors.