ADXN SCHEDULE 13D/A: SEC filing
An amendment to a Schedule 13D was
Filed with the SEC on · accession 0001104659-26-101798
ADXN filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 27, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -9.0% by the first close after the filing.
Summary of the filing
An amendment to a Schedule 13D was filed for Addex Therapeutics Ltd. The filing text provided contains only the EDGAR directory listing and index metadata, with no substantive disclosure of ownership changes or intentions.
Key details
How ADXN stock reacted
Close before
$4.23
Aug 26, 2026
First close after
-8.98%
$3.85
5 trading days
-16.78%
$3.52
Since filing
-28.06%
$3.04
✦ Ask GOAX AI about this filing — what it means for ADXN, what changed since its last filings and what to watch next.
Try it free for 7 days🔔 Want to stay updated on new SEC filings for ADXN?
Click hereFrequently asked questions
What did ADXN file with the SEC on Aug 27, 2026?
ADXN filed a SCHEDULE 13D/A (SEC filing). An amendment to a Schedule 13D was filed for Addex Therapeutics Ltd. The filing text provided contains only the EDGAR directory listing and index metadata, with no substantive disclosure of ownership changes or intentions.
How do I read a SCHEDULE 13D/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).
How did ADXN stock react to this filing?
ADXN closed at $4.23 before the filing and $3.85 on Aug 27, 2026 (-8.98%). Five trading days later: $3.52 (-16.78%).
Other ADXN SEC filings
Get alerts when ADXN files with the SEC, plus live charts, key levels and news for 13,000+ stocks.
Try SEPT free for 7 days