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 |
|---|---|---|---|
| 15-12G | Deregistration | Feb 27, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 29, 2025 | Jun 30, 2025 |
| 25-NSE | Delisting notice | Jun 17, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 11, 2025 | Jun 11, 2025 |
| 6-K | Current report (foreign issuer) | May 9, 2025 | May 9, 2025 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Apr 30, 2025 | Apr 30, 2025 |
| S-8 | Employee stock plan registration | Apr 4, 2025 | — |
| 6-K | Current report (foreign issuer) | Mar 10, 2025 | Mar 10, 2025 |
| 6-K | Current report (foreign issuer) | Dec 20, 2024 | Dec 20, 2024 |
| 6-K | Current report (foreign issuer) | Oct 4, 2024 | Oct 4, 2024 |
| 6-K | Current report (foreign issuer) | Sep 24, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Sep 19, 2024 | Sep 19, 2024 |
| 424B4 | Prospectus | Sep 18, 2024 | — |
| EFFECT | Filing | Sep 17, 2024 | — |
| CORRESP | Letter to the SEC | Sep 16, 2024 | — |
| CORRESP | Letter to the SEC | Sep 16, 2024 | — |
| F-1/A | Amendment no. 2 to form f-1 | Sep 16, 2024 | — |
| F-1/A | Amendment no. 1 to form f-1 | Sep 16, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 28, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Aug 22, 2024 | — |
| EFFECT | Filing | Jul 12, 2024 | — |
| POS AM | Post-effective amendment no. 1 to form f-1 | Jul 8, 2024 | — |
| 20-F/A | Amended annual report (foreign issuer) | Jul 1, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2024 | May 16, 2024 |
| 20-F/A | Amended annual report (foreign issuer) | Apr 22, 2024 | Dec 31, 2023 |
| EFFECT | Filing | Apr 17, 2024 | — |
| 424B4 | Prospectus | Apr 17, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 16, 2024 | Apr 16, 2024 |
| UPLOAD | Letter from the SEC | Apr 16, 2024 | — |
| CORRESP | Letter to the SEC | Apr 16, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 10, 2024 | Apr 10, 2024 |
| S-8 | Employee stock plan registration | Apr 10, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Apr 10, 2024 | — |
| 20-F | Annual report (foreign issuer) | Apr 10, 2024 | Dec 31, 2023 |
| 424B4 | Prospectus | Jan 22, 2024 | — |
| EFFECT | Filing | Jan 19, 2024 | — |
| 6-K | Current report (foreign issuer) | Jan 19, 2024 | Jan 19, 2024 |
| 424B5 | Prospectus supplement | Jan 19, 2024 | — |
| 6-K | Current report (foreign issuer) | Jan 19, 2024 | Jan 19, 2024 |
| CORRESP | Letter to the SEC | Jan 17, 2024 | — |
| UPLOAD | Letter from the SEC | Jan 16, 2024 | — |
| F-3 | Shelf registration (foreign issuer) | Jan 8, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 11, 2023 | Dec 11, 2023 |
| 6-K | Current report (foreign issuer) | Dec 11, 2023 | Dec 11, 2023 |
| 6-K | Current report (foreign issuer) | Dec 8, 2023 | Dec 8, 2023 |
| 6-K | Current report (foreign issuer) | Nov 22, 2023 | Nov 22, 2023 |
| 6-K | Current report (foreign issuer) | Nov 21, 2023 | Nov 21, 2023 |
| 6-K | Current report (foreign issuer) | Oct 31, 2023 | Oct 31, 2023 |
| 6-K | Current report (foreign issuer) | Oct 4, 2023 | Oct 4, 2023 |
| 6-K | Current report (foreign issuer) | Sep 12, 2023 | Jun 30, 2023 |
| 6-K/A | Amendment no. 1 to form 6-k | Aug 21, 2023 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Jul 28, 2023 | Jul 28, 2023 |
| 6-K | Current report (foreign issuer) | Jul 26, 2023 | Jul 26, 2023 |
| 6-K | Current report (foreign issuer) | Jul 11, 2023 | Jul 11, 2023 |
| 424B4 | Prospectus | Jul 7, 2023 | — |
| EFFECT | Filing | Jul 5, 2023 | — |
| CORRESP | Letter to the SEC | Jul 5, 2023 | — |
| CORRESP | Letter to the SEC | Jul 5, 2023 | — |
| 6-K | Current report (foreign issuer) | Jul 5, 2023 | Jul 3, 2023 |
| F-1/A | Amendment no. 1 to form f-1 | Jul 5, 2023 | — |
| 6-K | Current report (foreign issuer) | Jun 30, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Jun 27, 2023 | Jun 27, 2023 |
| UPLOAD | Letter from the SEC | Jun 23, 2023 | — |
| F-1 | Registration statement (foreign issuer) | Jun 16, 2023 | — |
| 6-K | Current report (foreign issuer) | Jun 15, 2023 | Jun 15, 2023 |
| EFFECT | Filing | Jun 9, 2023 | — |
| EFFECT | Filing | Jun 9, 2023 | — |
| 424B3 | Prospectus | Jun 9, 2023 | — |
| 424B3 | Prospectus | Jun 9, 2023 | — |
| CORRESP | Letter to the SEC | Jun 9, 2023 | — |
| CORRESP | Letter to the SEC | Jun 9, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2023 | — |
| F-3 | Shelf registration (foreign issuer) | Jun 1, 2023 | — |
| F-1 | Registration statement (foreign issuer) | Jun 1, 2023 | — |
| 6-K | Current report (foreign issuer) | May 30, 2023 | May 30, 2023 |
| 6-K | Current report (foreign issuer) | May 26, 2023 | May 26, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 20-F | Annual report (foreign issuer) | May 16, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | May 2, 2023 | May 2, 2023 |
| NT 20-F | Notification of late filing | May 1, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Apr 18, 2023 | Apr 18, 2023 |
| CERT | Filing | Apr 17, 2023 | — |
| 6-K | Current report (foreign issuer) | Apr 13, 2023 | Apr 13, 2023 |
| RW | Withdrawal request | Apr 13, 2023 | — |
| CERT | Filing | Apr 12, 2023 | — |
| 8-A12B | For registration of certain classes | Apr 11, 2023 | — |
| FWP | Free writing prospectus | Apr 11, 2023 | — |
| 6-K | Current report (foreign issuer) | Apr 3, 2023 | Apr 3, 2023 |
| EFFECT | Filing | Mar 31, 2023 | — |
| CORRESP | Letter to the SEC | Mar 31, 2023 | — |
| CORRESP | Letter to the SEC | Mar 31, 2023 | — |
| CORRESP | Letter to the SEC | Mar 31, 2023 | — |
| CORRESP | Letter to the SEC | Mar 31, 2023 | — |
| F-1/A | Amendment no. 6 to form f-1 | Mar 27, 2023 | — |
| CORRESP | Letter to the SEC | Mar 23, 2023 | — |
| CORRESP | Letter to the SEC | Mar 23, 2023 | — |
| CORRESP | Letter to the SEC | Mar 23, 2023 | — |
| CORRESP | Letter to the SEC | Mar 23, 2023 | — |
| FWP | Free writing prospectus | Mar 23, 2023 | — |
| F-1/A | Amendment no. 5 to form f-1 | Mar 23, 2023 | — |
| CORRESP | Letter to the SEC | Mar 17, 2023 | — |
| CORRESP | Letter to the SEC | Mar 17, 2023 | — |
| CORRESP | Letter to the SEC | Mar 17, 2023 | — |
| CORRESP | Letter to the SEC | Mar 17, 2023 | — |
| CORRESP | Letter to the SEC | Mar 13, 2023 | — |
| CORRESP | Letter to the SEC | Mar 13, 2023 | — |
| F-1/A | Amendment no. 4 to form f-1 | Mar 13, 2023 | — |
| FWP | Free writing prospectus | Mar 9, 2023 | — |
| 6-K | Current report (foreign issuer) | Mar 9, 2023 | Mar 9, 2023 |
| FWP | Free writing prospectus | Mar 8, 2023 | — |
| F-1/A | Amendment no. 3 to form f-1 | Mar 7, 2023 | — |
| F-1/A | Amendment no. 2 to form f-1 | Mar 1, 2023 | — |
| F-1/A | Amendment no. 1 to form f-1 | Feb 28, 2023 | — |
| CORRESP | Letter to the SEC | Feb 28, 2023 | — |
| UPLOAD | Letter from the SEC | Feb 24, 2023 | — |
| 6-K | Current report (foreign issuer) | Feb 17, 2023 | Feb 17, 2023 |
| F-1 | Registration statement (foreign issuer) | Feb 16, 2023 | — |
| 6-K | Current report (foreign issuer) | Jan 27, 2023 | Jan 27, 2023 |
| 6-K | Current report (foreign issuer) | Jan 24, 2023 | Jan 24, 2023 |
| 424B4 | Prospectus | Dec 28, 2022 | — |
| EFFECT | Filing | Dec 27, 2022 | — |
| UPLOAD | Letter from the SEC | Dec 22, 2022 | — |
| CORRESP | Letter to the SEC | Dec 22, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 19, 2022 | Dec 19, 2022 |
| F-1 | Registration statement (foreign issuer) | Dec 16, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 5, 2022 | Dec 5, 2022 |
| 6-K | Current report (foreign issuer) | Nov 30, 2022 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Nov 9, 2022 | Nov 9, 2022 |
| 6-K | Current report (foreign issuer) | Oct 24, 2022 | Oct 24, 2022 |
| 6-K | Current report (foreign issuer) | Oct 24, 2022 | Oct 24, 2022 |
| EFFECT | Filing | Sep 30, 2022 | — |
| 6-K | Current report (foreign issuer) | Sep 29, 2022 | Sep 29, 2022 |
| UPLOAD | Letter from the SEC | Sep 29, 2022 | — |
| CORRESP | Letter to the SEC | Sep 29, 2022 | — |
| F-3 | Shelf registration (foreign issuer) | Sep 23, 2022 | — |
| 6-K | Current report (foreign issuer) | Sep 12, 2022 | Sep 12, 2022 |
| 6-K | Current report (foreign issuer) | Aug 30, 2022 | Aug 30, 2022 |
| 6-K | Current report (foreign issuer) | Aug 26, 2022 | Aug 26, 2022 |
| 6-K | Current report (foreign issuer) | Jun 27, 2022 | Jun 27, 2022 |
| 6-K | Current report (foreign issuer) | Jun 13, 2022 | Jun 13, 2022 |
| 6-K | Current report (foreign issuer) | Jun 7, 2022 | Jun 7, 2022 |
| 6-K | Current report (foreign issuer) | May 19, 2022 | May 19, 2022 |
| 6-K | Current report (foreign issuer) | May 17, 2022 | May 17, 2022 |
| 424B3 | Prospectus | May 17, 2022 | — |
| EFFECT | Filing | Apr 25, 2022 | — |
| 424B3 | Prospectus | Apr 25, 2022 | — |
| CORRESP | Letter to the SEC | Apr 22, 2022 | — |
| UPLOAD | Letter from the SEC | Apr 20, 2022 | — |
| EFFECT | Filing | Apr 19, 2022 | — |
| 6-K | Current report (foreign issuer) | Apr 18, 2022 | Apr 18, 2022 |
| F-3 | Shelf registration (foreign issuer) | Apr 14, 2022 | — |
| POS AM | Post-effective amendment no. 1 to form f-1 | Apr 14, 2022 | — |
| 20-F | Annual report (foreign issuer) | Apr 12, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 4, 2022 | Mar 4, 2022 |
| EFFECT | Filing | Feb 17, 2022 | — |
| 424B3 | Prospectus | Feb 17, 2022 | — |
| CORRESP | Letter to the SEC | Feb 15, 2022 | — |
| UPLOAD | Letter from the SEC | Feb 14, 2022 | — |
| F-1 | Registration statement (foreign issuer) | Feb 8, 2022 | — |
| 6-K | Current report (foreign issuer) | Feb 8, 2022 | Feb 8, 2022 |
| 6-K | Current report (foreign issuer) | Dec 16, 2021 | Dec 16, 2021 |
| EFFECT | Filing | Dec 8, 2021 | — |
| 424B5 | Prospectus supplement | Dec 8, 2021 | — |
| CORRESP | Letter to the SEC | Dec 7, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 24, 2021 | — |
| EFFECT | Filing | Nov 23, 2021 | — |
| F-3 | Shelf registration (foreign issuer) | Nov 16, 2021 | — |
| POS AM | Post-effective amendment no. 1 to form f-1 | Nov 16, 2021 | — |
| 6-K | Current report (foreign issuer) | Sep 8, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jul 23, 2021 | Jul 22, 2021 |
| 6-K | Current report (foreign issuer) | Jul 21, 2021 | Jul 21, 2021 |
| 6-K | Current report (foreign issuer) | Jun 16, 2021 | Jun 16, 2021 |
| EFFECT | Filing | Jun 7, 2021 | — |
| 6-K | Current report (foreign issuer) | Jun 3, 2021 | Jun 3, 2021 |
| POS AM | Post-effective amendment no. 4 to form f-1 | Jun 2, 2021 | — |
| POS AM | Post-effective amendment no. 3 to form f-1 | Jun 2, 2021 | — |
| 6-K | Current report (foreign issuer) | May 17, 2021 | May 17, 2021 |
| 6-K | Current report (foreign issuer) | Apr 16, 2021 | Apr 16, 2021 |
| 6-K | Current report (foreign issuer) | Apr 13, 2021 | Apr 13, 2021 |
| 6-K | Current report (foreign issuer) | Mar 31, 2021 | Mar 31, 2021 |
| 20-F | Annual report (foreign issuer) | Mar 31, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 12, 2021 | Mar 12, 2021 |
| 6-K | Current report (foreign issuer) | Jan 15, 2021 | Jan 15, 2021 |
| 424B5 | Prospectus supplement | Jan 15, 2021 | — |
| S-8 | Employee stock plan registration | Jan 15, 2021 | — |
| 6-K | Current report (foreign issuer) | Dec 10, 2020 | Dec 10, 2020 |
| 6-K | Current report (foreign issuer) | Dec 3, 2020 | Dec 3, 2020 |
| 424B5 | Prospectus supplement | Dec 3, 2020 | — |
| 6-K | Current report (foreign issuer) | Dec 2, 2020 | Dec 2, 2020 |
| 424B3 | Prospectus | Nov 16, 2020 | — |
| 424B3 | Prospectus | Nov 16, 2020 | — |
| EFFECT | Filing | Oct 30, 2020 | — |
| CORRESP | Letter to the SEC | Oct 21, 2020 | — |
| UPLOAD | Letter from the SEC | Oct 9, 2020 | — |
| 6-K | Current report (foreign issuer) | Oct 9, 2020 | Oct 9, 2020 |
| F-3 | Shelf registration (foreign issuer) | Oct 6, 2020 | — |
| 6-K/A | Amendment to form 6-k | Sep 17, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | Sep 17, 2020 | Jun 30, 2020 |
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
- 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.