SEALSQ Corp SEC filings LAES
SEALSQ Corp has 288 filings in SEC EDGAR's recent list, going back to Dec 9, 2022. Its latest annual report, Form 20-F, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 28, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Nov 2, 2026 |
| 6-K | Current report (foreign issuer) | Oct 28, 2026 | Oct 28, 2026 |
| 6-K | Current report (foreign issuer) | Oct 27, 2026 | Oct 27, 2026 |
| 6-K | Current report (foreign issuer) | Oct 16, 2026 | Oct 16, 2026 |
| 6-K | Current report (foreign issuer) | Oct 16, 2026 | Oct 16, 2026 |
| 425 | Form 425 | Oct 14, 2026 | — |
| 6-K | Current report (foreign issuer) | Oct 14, 2026 | Oct 14, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 5, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 5, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Sep 25, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Sep 25, 2026 |
| 6-K | Current report (foreign issuer) | Oct 2, 2026 | Oct 2, 2026 |
| 6-K | Current report (foreign issuer) | Sep 25, 2026 | Sep 25, 2026 |
| 6-K | Current report (foreign issuer) | Sep 25, 2026 | Sep 25, 2026 |
| 6-K | Current report (foreign issuer) | Sep 14, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Sep 11, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 6-K | Current report (foreign issuer) | Aug 26, 2026 | Aug 26, 2026 |
| 3 | Initial insider ownership | Aug 26, 2026 | Aug 17, 2026 |
| 6-K | Current report (foreign issuer) | Aug 18, 2026 | Aug 18, 2026 |
| 3 | Initial insider ownership | Aug 17, 2026 | Aug 4, 2026 |
| 6-K | Current report (foreign issuer) | Aug 14, 2026 | Aug 14, 2026 |
| 6-K | Current report (foreign issuer) | Aug 14, 2026 | Aug 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 10, 2026 | Aug 10, 2026 |
| 6-K | Current report (foreign issuer) | Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Aug 3, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 6-K | Current report (foreign issuer) | Jul 8, 2026 | Jul 8, 2026 |
| 6-K | Current report (foreign issuer) | Jul 8, 2026 | Jul 8, 2026 |
| 6-K | Current report (foreign issuer) | Jun 30, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Jun 30, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | Jun 11, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 5, 2026 |
| 6-K | Current report (foreign issuer) | Jun 4, 2026 | Jun 4, 2026 |
| 6-K | Current report (foreign issuer) | Jun 4, 2026 | Jun 4, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 11, 2026 | May 11, 2026 |
| 6-K | Current report (foreign issuer) | May 8, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 6, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 4, 2026 |
| 4 | Insider transaction | Apr 24, 2026 | Apr 22, 2026 |
| 4 | Insider transaction | Apr 22, 2026 | Apr 20, 2026 |
| 6-K | Current report (foreign issuer) | Apr 21, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 16, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 9, 2026 | Apr 7, 2026 |
| 4 | Insider transaction | Apr 9, 2026 | Apr 6, 2026 |
| 6-K | Current report (foreign issuer) | Apr 9, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Apr 8, 2026 | Apr 7, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 6-K | Current report (foreign issuer) | Apr 2, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Mar 31, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 30, 2026 |
| 20-F | Annual report (foreign issuer) | Mar 31, 2026 | Dec 31, 2025 |
| 3/A | Filing | Mar 30, 2026 | Mar 18, 2026 |
| 3/A | Filing | Mar 30, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 27, 2026 |
| 6-K | Current report (foreign issuer) | Mar 26, 2026 | Mar 26, 2026 |
| 6-K | Current report (foreign issuer) | Mar 26, 2026 | Mar 24, 2026 |
| 4 | Insider transaction | Mar 25, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 19, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 17, 2026 | Mar 17, 2026 |
| 424B5 | Prospectus supplement | Mar 17, 2026 | — |
| 6-K | Current report (foreign issuer) | Mar 2, 2026 | Mar 2, 2026 |
| 6-K | Current report (foreign issuer) | Mar 2, 2026 | Mar 2, 2026 |
| 6-K | Current report (foreign issuer) | Feb 23, 2026 | Feb 23, 2026 |
| 6-K | Current report (foreign issuer) | Feb 23, 2026 | Feb 23, 2026 |
| 6-K | Current report (foreign issuer) | Feb 18, 2026 | Feb 18, 2026 |
| 6-K | Current report (foreign issuer) | Feb 18, 2026 | Feb 18, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2026 | — |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 13, 2026 |
| 6-K | Current report (foreign issuer) | Dec 18, 2025 | Dec 18, 2025 |
| 6-K | Current report (foreign issuer) | Dec 10, 2025 | Dec 10, 2025 |
| 6-K | Current report (foreign issuer) | Nov 25, 2025 | Nov 25, 2025 |
| 6-K | Current report (foreign issuer) | Nov 20, 2025 | Nov 20, 2025 |
| 6-K | Current report (foreign issuer) | Nov 19, 2025 | Nov 19, 2025 |
| 6-K | Current report (foreign issuer) | Nov 19, 2025 | Nov 19, 2025 |
| 6-K | Current report (foreign issuer) | Oct 24, 2025 | Oct 24, 2025 |
| D | Filing | Oct 22, 2025 | — |
| 424B3 | Prospectus | Oct 20, 2025 | — |
| F-3ASR | Filing | Oct 20, 2025 | — |
| 424B5 | Prospectus supplement | Oct 16, 2025 | — |
| 6-K | Current report (foreign issuer) | Oct 16, 2025 | Oct 16, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 15, 2025 | — |
| F-3MEF | Filing | Oct 15, 2025 | — |
| 6-K | Current report (foreign issuer) | Oct 14, 2025 | Oct 14, 2025 |
| 6-K | Current report (foreign issuer) | Oct 14, 2025 | Oct 14, 2025 |
| 6-K | Current report (foreign issuer) | Oct 14, 2025 | Oct 14, 2025 |
| 6-K | Current report (foreign issuer) | Oct 14, 2025 | Oct 14, 2025 |
| 6-K | Current report (foreign issuer) | Oct 9, 2025 | Oct 9, 2025 |
| 6-K | Current report (foreign issuer) | Oct 9, 2025 | Oct 9, 2025 |
| 424B5 | Prospectus supplement | Oct 7, 2025 | — |
| 6-K | Current report (foreign issuer) | Oct 7, 2025 | Oct 7, 2025 |
| 6-K | Current report (foreign issuer) | Sep 26, 2025 | Sep 26, 2025 |
| 6-K | Current report (foreign issuer) | Sep 22, 2025 | Sep 22, 2025 |
| 6-K | Current report (foreign issuer) | Sep 9, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Aug 4, 2025 | Aug 4, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2025 | — |
| 424B5 | Prospectus supplement | Jul 15, 2025 | — |
| 6-K | Current report (foreign issuer) | Jul 15, 2025 | Jul 15, 2025 |
| 6-K | Current report (foreign issuer) | Jul 3, 2025 | Jul 3, 2025 |
| 6-K | Current report (foreign issuer) | Jun 17, 2025 | Jun 17, 2025 |
| 6-K | Current report (foreign issuer) | May 27, 2025 | May 27, 2025 |
| 6-K | Current report (foreign issuer) | May 22, 2025 | May 22, 2025 |
| 6-K | Current report (foreign issuer) | May 20, 2025 | May 20, 2025 |
| 6-K | Current report (foreign issuer) | May 19, 2025 | May 19, 2025 |
| 424B5 | Prospectus supplement | May 19, 2025 | — |
| 6-K | Current report (foreign issuer) | May 14, 2025 | May 14, 2025 |
| S-8 | Employee stock plan registration | May 9, 2025 | — |
| 424B5 | Prospectus supplement | May 6, 2025 | — |
| 6-K | Current report (foreign issuer) | May 6, 2025 | May 6, 2025 |
| 6-K | Current report (foreign issuer) | May 1, 2025 | May 1, 2025 |
| 6-K | Current report (foreign issuer) | Apr 9, 2025 | Apr 9, 2025 |
| EFFECT | Filing | Apr 2, 2025 | — |
| CORRESP | Letter to the SEC | Mar 31, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 31, 2025 | — |
| F-3 | Shelf registration (foreign issuer) | Mar 25, 2025 | — |
| 6-K | Current report (foreign issuer) | Mar 24, 2025 | Mar 24, 2025 |
| 6-K | Current report (foreign issuer) | Mar 21, 2025 | Mar 21, 2025 |
| 20-F | Annual report (foreign issuer) | Mar 20, 2025 | Dec 31, 2024 |
| POSASR | Filing | Mar 19, 2025 | — |
| F-3ASR | Filing | Feb 28, 2025 | — |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 27, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| 6-K | Current report (foreign issuer) | Feb 3, 2025 | Feb 3, 2025 |
| 424B3 | Prospectus | Jan 2, 2025 | — |
| 6-K | Current report (foreign issuer) | Jan 2, 2025 | Jan 2, 2025 |
| 424B5 | Prospectus supplement | Jan 2, 2025 | — |
| 424B3 | Prospectus | Dec 31, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 30, 2024 | Dec 30, 2024 |
| 6-K | Current report (foreign issuer) | Dec 26, 2024 | Dec 26, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 19, 2024 | — |
| 424B3 | Prospectus | Dec 19, 2024 | — |
| 424B5 | Prospectus supplement | Dec 19, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 19, 2024 | Dec 18, 2024 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Dec 18, 2024 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 18, 2024 | — |
| 424B3 | Prospectus | Dec 17, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 17, 2024 | Dec 17, 2024 |
| 424B5 | Prospectus supplement | Dec 17, 2024 | — |
| 424B3 | Prospectus | Dec 16, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 16, 2024 | Dec 16, 2024 |
| 424B5 | Prospectus supplement | Dec 16, 2024 | — |
| EFFECT | Filing | Nov 27, 2024 | — |
| CORRESP | Letter to the SEC | Nov 25, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 22, 2024 | — |
| F-3 | Shelf registration (foreign issuer) | Nov 20, 2024 | — |
| 424B3 | Prospectus | Nov 19, 2024 | — |
| 6-K | Current report (foreign issuer) | Nov 19, 2024 | Nov 19, 2024 |
| EFFECT | Filing | Sep 25, 2024 | — |
| 424B3 | Prospectus | Sep 25, 2024 | — |
| 6-K | Current report (foreign issuer) | Sep 25, 2024 | Jun 30, 2024 |
| EFFECT | Filing | Sep 24, 2024 | — |
| POS AM | Filing | Sep 24, 2024 | — |
| 424B3 | Prospectus | Sep 24, 2024 | — |
| CORRESP | Letter to the SEC | Sep 20, 2024 | — |
| F-1/A | Filing | Sep 12, 2024 | — |
| CORRESP | Letter to the SEC | Aug 23, 2024 | — |
| CORRESP | Letter to the SEC | Aug 23, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 19, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 19, 2024 | — |
| 6-K | Current report (foreign issuer) | Aug 2, 2024 | Aug 2, 2024 |
| F-1/A | Filing | Jul 31, 2024 | — |
| POS AM | Filing | Jul 31, 2024 | — |
| CORRESP | Letter to the SEC | Jul 31, 2024 | — |
| CORRESP | Letter to the SEC | Jul 31, 2024 | — |
| 6-K | Current report (foreign issuer) | Jul 25, 2024 | Jul 25, 2024 |
| UPLOAD | Letter from the SEC | Jul 23, 2024 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- LAES (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Virgin Islands, British
- Headquarters
- Cointrin, Switzerland
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 1951222
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.