Altamira Therapeutics Ltd. SEC filings CYTOF
Altamira Therapeutics Ltd. has 518 filings in SEC EDGAR's recent list, going back to Mar 18, 2014. Its latest annual report, Form 20-F, was filed on Apr 30, 2025 for the period ended Dec 31, 2024. The most recent current report (Form 6-K) was filed on Aug 29, 2025. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 6, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 13, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 27, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 18, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 13, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 13, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 21, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 7, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 6, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 20, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 12, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 13, 2019 | — |
| SC 13G | Ownership over 5% (passive) | May 23, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 14, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 21, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Aug 10, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 9, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 23, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2018 | — |
| SC 13G | Ownership over 5% (passive) | May 17, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 23, 2018 | — |
| SC 13D | Ownership over 5% (active) | Apr 3, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 6, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 16, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 9, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 21, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 7, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 9, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 14, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 1, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G | Ownership over 5% (passive) | May 14, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13D | Ownership over 5% (active) | Aug 14, 2014 | — |
| SC 13D | Ownership over 5% (active) | Aug 14, 2014 | — |
| SC 13D | Ownership over 5% (active) | Aug 14, 2014 | — |
| SC 13D | Ownership over 5% (active) | Aug 13, 2014 | — |
Showing 54 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
- CYTOF (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- Bermuda
- Headquarters
- Hamilton Hm 11, Bermuda
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1601936
- Former names
- Auris Medical Holding Ltd. (until Jul 23, 2021); Auris Medical Holding AG (until Mar 14, 2019); Auris Medical AG (until Apr 18, 2014)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.