MoonLake Immunotherapeutics SEC filings MLTX
MoonLake Immunotherapeutics has 331 filings in SEC EDGAR's recent list, going back to Aug 28, 2020. Its latest annual report, Form ARS, was filed on Apr 21, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Jul 29, 2026 | Jul 27, 2026 |
| 4 | Insider transaction | Jul 23, 2026 | Jul 21, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 15, 2026 |
| 144 | Notice of proposed sale | Jul 15, 2026 | — |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 144 | Notice of proposed sale | Jun 30, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 29, 2026 | — |
| 4 | Insider transaction | Jun 23, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 144 | Notice of proposed sale | Jun 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 10, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 9, 2026 |
| 144 | Notice of proposed sale | Apr 10, 2026 | — |
| 144 | Notice of proposed sale | Apr 9, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 2, 2026 | — |
| 144 | Notice of proposed sale | Mar 31, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 144 | Notice of proposed sale | Dec 8, 2025 | — |
| 144 | Notice of proposed sale | Dec 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 12, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2025 | — |
| 4 | Insider transaction | Oct 9, 2025 | Oct 8, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 1, 2025 | — |
| 4 | Insider transaction | Oct 1, 2025 | Sep 29, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2025 | — |
| 4 | Insider transaction | Jul 7, 2025 | Jul 3, 2025 |
| 144 | Notice of proposed sale | Jul 3, 2025 | — |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Jan 22, 2025 | Jan 20, 2025 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 8, 2024 | — |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 5, 2024 | — |
| 4 | Insider transaction | Feb 29, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 29, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 16, 2024 | Feb 14, 2024 |
| 144 | Notice of proposed sale | Feb 15, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 144 | Notice of proposed sale | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Dec 21, 2023 | Dec 19, 2023 |
| 144 | Notice of proposed sale | Dec 20, 2023 | — |
| 144 | Notice of proposed sale | Dec 19, 2023 | — |
| 4 | Insider transaction | Oct 10, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 1, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 1, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 1, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 1, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 30, 2023 | — |
| 4 | Insider transaction | Jun 28, 2023 | Jun 26, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| SC 13G | Ownership over 5% (passive) | Mar 31, 2023 | — |
| 4 | Insider transaction | Mar 22, 2023 | Mar 20, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Aug 3, 2022 | — |
| 4 | Insider transaction | May 5, 2022 | Apr 6, 2022 |
| 4 | Insider transaction | May 5, 2022 | Apr 6, 2022 |
| 4 | Insider transaction | May 5, 2022 | Apr 6, 2022 |
| 4 | Insider transaction | May 5, 2022 | Apr 6, 2022 |
| SC 13D | Ownership over 5% (active) | Apr 18, 2022 | — |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 3 | Initial insider ownership | Apr 15, 2022 | Apr 5, 2022 |
| 4 | Insider transaction | Apr 7, 2022 | Apr 5, 2022 |
| 4 | Insider transaction | Apr 7, 2022 | Apr 5, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Dec 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 15, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Nov 2, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Nov 2, 2020 | — |
| 4 | Insider transaction | Oct 22, 2020 | Oct 22, 2020 |
| 4 | Insider transaction | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 19, 2020 | Oct 19, 2020 |
| 3 | Initial insider ownership | Oct 19, 2020 | Oct 19, 2020 |
| 3 | Initial insider ownership | Oct 19, 2020 | Oct 19, 2020 |
| 3 | Initial insider ownership | Oct 19, 2020 | Oct 19, 2020 |
| 3 | Initial insider ownership | Oct 19, 2020 | Oct 19, 2020 |
| 3 | Initial insider ownership | Oct 19, 2020 | Oct 19, 2020 |
Showing 156 filings. 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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- MLTX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Zug, Switzerland
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1821586
- Former names
- Helix Acquisition Corp (until Mar 31, 2022)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.