Addex Therapeutics Ltd. SEC filings ADXN

Addex Therapeutics Ltd. has 279 filings in SEC EDGAR's recent list, going back to Sep 24, 2019. Its latest annual report, Form 20-F, was filed on May 15, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on December 31.

Addex Therapeutics Ltd. SEC filings
Form Description Filed Period
NT 20-F Filing Apr 30, 2026 Dec 31, 2025
EFFECT Filing Dec 5, 2025 —
CORRESP Letter to the SEC Dec 3, 2025 —
NT 20-F Filing Apr 30, 2025 Dec 31, 2024
EFFECT Filing Apr 22, 2024 —
EFFECT Filing Nov 29, 2023 —
EFFECT Filing Aug 10, 2023 —
EFFECT Filing Jun 2, 2023 —
CORRESP Letter to the SEC Jun 1, 2023 —
CORRESP Letter to the SEC May 12, 2023 —
CORRESP Letter to the SEC May 11, 2023 —
UPLOAD Letter from the SEC May 9, 2023 —
D Filing Apr 13, 2023 —
EFFECT Filing Aug 29, 2022 —
EFFECT Filing Aug 29, 2022 —
CORRESP Letter to the SEC Aug 25, 2022 —
UPLOAD Letter from the SEC Aug 25, 2022 —
D Filing Aug 4, 2022 —
EFFECT Filing Apr 19, 2022 —
EFFECT Filing Apr 4, 2022 —
CORRESP Letter to the SEC Mar 29, 2022 —
EFFECT Filing Jan 18, 2022 —
CORRESP Letter to the SEC Jan 14, 2022 —
UPLOAD Letter from the SEC Jan 14, 2022 —
D Filing Dec 21, 2021 —
EFFECT Filing Apr 13, 2021 —
CORRESP Letter to the SEC Apr 12, 2021 —
UPLOAD Letter from the SEC Apr 9, 2021 —
UPLOAD Letter from the SEC Feb 1, 2021 —
EFFECT Filing Jan 6, 2021 —
CORRESP Letter to the SEC Jan 6, 2021 —
CORRESP Letter to the SEC Jan 5, 2021 —
DEL AM Filing Dec 14, 2020 —
UPLOAD Letter from the SEC Oct 15, 2020 —
DRS Filing Oct 13, 2020 —
UPLOAD Letter from the SEC May 11, 2020 —
CERT Filing Jan 28, 2020 —
EFFECT Filing Jan 27, 2020 —
EFFECT Filing Jan 27, 2020 —
CORRESP Letter to the SEC Jan 23, 2020 —
CORRESP Letter to the SEC Jan 23, 2020 —
UPLOAD Letter from the SEC Jan 15, 2020 —
8-A12B Filing Jan 14, 2020 —
CORRESP Letter to the SEC Jan 13, 2020 —
UPLOAD Letter from the SEC Dec 31, 2019 —
CORRESP Letter to the SEC Dec 17, 2019 —
SEC STAFF LETTER Filing Dec 16, 2019 —
UPLOAD Letter from the SEC Dec 12, 2019 —
DRSLTR Filing Nov 27, 2019 —
DRS/A Filing Nov 27, 2019 —
UPLOAD Letter from the SEC Oct 24, 2019 —
SEC STAFF LETTER Filing Sep 26, 2019 —
DRS Filing Sep 24, 2019 —

Showing 53 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.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
ADXN (Nasdaq)
Fiscal year ends
December 31
Incorporated in
Switzerland
Headquarters
Geneva, Switzerland
SEC filer status
Non-accelerated filer
SEC CIK
1574232

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.