Altamira Therapeutics Ltd.
CYTOF- Exchange
- OTC
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001601936
No open-market purchases or sales by Altamira Therapeutics Ltd. insiders were filed in the last 90 days; 1 institution reported holding it in 13F filings for Q2 2026, worth $0 in total; no superinvestor holds it.
Holders of 5% or more of CYTOF
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Altamira Therapeutics Ltd., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Meyer Thomas | 13D/A | 18.90%1.08M shares | – | May 21, 20217 filings | May 6, 2025 | SEC |
| Armistice Capital, LLC | 13G/A | 9.99%473.9K shares | 0.00 ppfrom 9.99% | Nov 14, 20243 filings | May 15, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
11 Schedule 13D and 13G filings on Altamira Therapeutics Ltd., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20253:25 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.99%473.9K shares | 0.00 ppfrom 9.99% | Mar 31, 2025 | SEC |
| May 6, 20256:39 AM ET | Meyer Thomas | 13D/A | 18.90%1.08M shares | – | Apr 30, 2025 | SEC |
| Feb 14, 20255:41 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.99%478.5K shares | – | Dec 31, 2024 | SEC |
| Nov 14, 2024 | Armistice Capital, LLC | 13GOld format | – | New | – | SEC |
| Mar 13, 2024 | Meyer Thomas | 13D/AOld format | – | – | – | SEC |
| Apr 27, 2023 | Meyer Thomas | 13D/AOld format | – | – | – | SEC |
| Jan 18, 2023 | Meyer Thomas | 13D/AOld format | – | – | – | SEC |
| Sep 13, 2022 | Meyer Thomas | 13D/AOld format | – | – | – | SEC |
| May 13, 2022 | Meyer Thomas | 13D/AOld format | – | – | – | SEC |
| May 21, 2021 | Meyer Thomas | 13D/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Altium Capital Management LP | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Altamira Therapeutics Ltd. shares.
No Form 144 notices for Altamira Therapeutics Ltd. are on file.