Addex Therapeutics Ltd.
ADXN- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001574232
No open-market purchases or sales by Addex Therapeutics Ltd. insiders were filed in the last 90 days; 2 institutions reported holding it in 13F filings for Q2 2026, worth $274 in total; no superinvestor holds it.
Holders of 5% or more of ADXN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Addex Therapeutics Ltd., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Dyer Timothy Mark | 13D/A | 12.94%18.2M shares | – | Jun 23, 20251 filing | Jun 23, 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
1 Schedule 13D or 13G filing on Addex Therapeutics Ltd., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 23, 20254:00 PM ET | Dyer Timothy Mark | 13D/A | 12.94%18.2M shares | – | Jun 20, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Addex Therapeutics Ltd. shares.
No Form 144 notices for Addex Therapeutics Ltd. are on file.