Addex Therapeutics Ltd. SEC EDGAR Filings (CIK 0001574232)

SEC EDGAR filings, ownership reports, and insider transactions for Addex Therapeutics Ltd..

Symbol
ADXN on Nasdaq
Business address
Chemin Des Mines 9, Geneva, Switzerland, CH-1202
State of incorporation
Switzerland
Fiscal year end
31 December
Addex Therapeutics Ltd. has filed 243 SEC EDGAR filings since 24 Sep 2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
6-K Open Document Open Filing FORM 6-K 07 Jan 2026 07 Jan 2026 001-39179
6-K Open Document Open Filing FORM 6-K 10 Dec 2025 10 Dec 2025 001-39179
424B5 Open Document Open Filing 424B5 10 Dec 2025 333-291644
EFFECT Open Document Open Filing 05 Dec 2025 333-291644
6-K Open Document Open Filing FORM 6-K 04 Dec 2025 04 Dec 2025 001-39179
F-3 Open Document | Data Open Filing F-3 19 Nov 2025 333-291644
6-K Open Document Open Filing FORM 6-K 29 Oct 2025 29 Oct 2025 001-39179
6-K Open Document | Data Open Filing FORM 6-K 30 Sep 2025 30 Jun 2025 001-39179
6-K Open Document Open Filing FORM 6-K 23 Sep 2025 23 Sep 2025 001-39179
6-K Open Document Open Filing FORM 6-K 30 Jun 2025 30 Jun 2025 001-39179
6-K Open Document Open Filing FORM 6-K 25 Jun 2025 25 Jun 2025 001-39179
SCHEDULE 13D/A Open Document Open Filing 23 Jun 2025 005-91805
6-K Open Document Open Filing FORM 6-K 20 Jun 2025 20 Jun 2025 001-39179
6-K Open Document Open Filing FORM 6-K 06 Jun 2025 06 Jun 2025 001-39179
20-F Open Document | Data Open Filing FORM 20-F 15 May 2025 31 Dec 2024 001-39179
6-K Open Document Open Filing FORM 6-K 12 May 2025 12 May 2025 001-39179
NT 20-F Open Document Open Filing NT 20-F 30 Apr 2025 31 Dec 2024 001-39179
6-K Open Document Open Filing FORM 6-K 30 Apr 2025 30 Apr 2025 001-39179
6-K Open Document Open Filing FORM 6-K 25 Apr 2025 25 Apr 2025 001-39179
6-K Open Document Open Filing FORM 6-K 17 Apr 2025 17 Apr 2025 001-39179
6-K Open Document Open Filing FORM 6-K 22 Nov 2024 22 Nov 2024 001-39179
6-K Open Document Open Filing FORM 6-K 12 Nov 2024 11 Nov 2024 001-39179
6-K Open Document Open Filing FORM 6-K 30 Sep 2024 30 Sep 2024 001-39179
6-K Open Document Open Filing FORM 6-K 19 Sep 2024 19 Sep 2024 001-39179
6-K Open Document Open Filing FORM 6-K 27 Aug 2024 27 Aug 2024 001-39179
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D/A(#7E) 14 Aug 2024 005-91805
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D/A(#6) 05 Aug 2024 005-91805
6-K Open Document Open Filing FORM 6-K 22 Jul 2024 22 Jul 2024 001-39179
6-K Open Document Open Filing FORM 6-K 15 Jul 2024 15 Jul 2024 001-39179
6-K Open Document Open Filing FORM 6-K 01 Jul 2024 01 Jul 2024 001-39179
6-K Open Document Open Filing FORM 6-K 06 Jun 2024 06 Jun 2024 001-39179
6-K Open Document Open Filing FORM 6-K 05 Jun 2024 05 Jun 2024 001-39179
6-K Open Document Open Filing FORM 6-K 29 Apr 2024 29 Apr 2024 001-39179
424B3 Open Document Open Filing 424B3 24 Apr 2024 333-271611
EFFECT Open Document Open Filing 22 Apr 2024 333-271611
POS AM Open Document Open Filing POS AM 18 Apr 2024 333-271611
20-F Open Document | Data Open Filing FORM 20-F 18 Apr 2024 31 Dec 2023 001-39179
6-K Open Document Open Filing FORM 6-K 18 Apr 2024 18 Apr 2024 001-39179
6-K Open Document Open Filing FORM 6-K 03 Apr 2024 03 Apr 2024 001-39179
424B5 Open Document Open Filing 424B5 30 Jan 2024 333-255089
6-K Open Document Open Filing FORM 6-K 30 Jan 2024 30 Jan 2024 001-39179
6-K/A Open Document | Data Open Filing FORM 6-K/A 21 Dec 2023 30 Jun 2023 001-39179
6-K Open Document Open Filing FORM 6-K 20 Dec 2023 20 Dec 2023 001-39179
6-K Open Document Open Filing FORM 6-K 14 Dec 2023 14 Dec 2023 001-39179
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D/A(#5) 08 Dec 2023 005-91805
424B3 Open Document Open Filing 424B3 30 Nov 2023 333-271611
EFFECT Open Document Open Filing 29 Nov 2023 333-271611
SC 13D/A Open Document Open Filing SC 13D/A 29 Nov 2023 005-91805
POS AM Open Document Open Filing POS AM 29 Nov 2023 333-271611
6-K Open Document Open Filing FORM 6-K 29 Nov 2023 29 Nov 2023 001-39179
6-K Open Document Open Filing FORM 6-K 28 Nov 2023 28 Nov 2023 001-39179
6-K Open Document Open Filing FORM 6-K 14 Nov 2023 14 Nov 2023 001-39179
6-K Open Document Open Filing FORM 6-K 08 Nov 2023 08 Nov 2023 001-39179
424B3 Open Document Open Filing 424B3 23 Oct 2023 333-271611
6-K Open Document Open Filing FORM 6-K 20 Oct 2023 20 Oct 2023 001-39179
F-6 POS Open Document Open Filing 06 Oct 2023 333-235561
6-K Open Document Open Filing FORM 6-K 06 Oct 2023 06 Oct 2023 001-39179
6-K Open Document Open Filing FORM 6-K 20 Sep 2023 20 Sep 2023 001-39179
6-K Open Document Open Filing FORM 6-K 05 Sep 2023 05 Sep 2023 001-39179
6-K Open Document Open Filing FORM 6-K 05 Sep 2023 04 Sep 2023 001-39179
424B3 Open Document Open Filing 424B3 11 Aug 2023 333-271611
EFFECT Open Document Open Filing 10 Aug 2023 333-271611
POS AM Open Document Open Filing POS AM 10 Aug 2023 333-271611
6-K Open Document Open Filing FORM 6-K 10 Aug 2023 10 Aug 2023 001-39179
6-K Open Document Open Filing FORM 6-K 03 Aug 2023 03 Aug 2023 001-39179
6-K Open Document Open Filing FORM 6-K 24 Jul 2023 24 Jul 2023 001-39179
6-K Open Document Open Filing FORM 6-K 15 Jun 2023 15 Jun 2023 001-39179
S-8 Open Document Open Filing FORM S-8 08 Jun 2023 333-272515
EFFECT Open Document Open Filing 02 Jun 2023 333-271611
424B3 Open Document Open Filing 424B3 02 Jun 2023 333-271611
CORRESP Open Document Open Filing 01 Jun 2023
F-1/A Open Document Open Filing FORM F-1/A 01 Jun 2023 333-271611
6-K Open Document Open Filing FORM 6-K 01 Jun 2023 01 Jun 2023 001-39179
6-K Open Document Open Filing FORM 6-K 18 May 2023 18 May 2023 001-39179
CORRESP Open Document Open Filing 12 May 2023
CORRESP Open Document Open Filing 11 May 2023
F-1/A Open Document Open Filing F-1/A 11 May 2023 333-271611
6-K Open Document Open Filing FORM 6-K 11 May 2023 11 May 2023 001-39179
6-K Open Document Open Filing FORM 6-K 10 May 2023 10 May 2023 001-39179
UPLOAD Open Document Open Filing 09 May 2023
6-K Open Document Open Filing FORM 6-K 05 May 2023 05 May 2023 001-39179
F-1 Open Document Open Filing F-1 03 May 2023 333-271611
D Open Document Open Filing 13 Apr 2023 021-478677
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D/A(#4) 10 Apr 2023 005-91805
SC 13D/A Open Document Open Filing SC 13D/A 05 Apr 2023 005-91805
424B5 Open Document Open Filing 424B5 04 Apr 2023 333-255089
6-K Open Document Open Filing FORM 6-K 04 Apr 2023 04 Apr 2023 001-39179
6-K Open Document Open Filing FORM 6-K 04 Apr 2023 04 Apr 2023 001-39179
6-K Open Document Open Filing FORM 6-K 03 Apr 2023 03 Apr 2023 001-39179
SC 13D/A Open Document Open Filing SC 13D/A 31 Mar 2023 005-91805
6-K Open Document Open Filing FORM 6-K 30 Mar 2023 30 Mar 2023 001-39179
20-F Open Document | Data Open Filing FORM 20-F 30 Mar 2023 31 Dec 2022 001-39179
SC 13G/A Open Document Open Filing 16 Feb 2023 005-91805
SC 13G/A Open Document Open Filing 14 Feb 2023 005-91805
SC 13G/A Open Document Open Filing 14 Feb 2023 005-91805
6-K Open Document Open Filing FORM 6-K 09 Feb 2023 09 Feb 2023 001-39179
SC 13G/A Open Document Open Filing 08 Feb 2023 005-91805
SC 13G/A Open Document Open Filing SC 13G/A 06 Feb 2023 005-91805
6-K Open Document Open Filing FORM 6-K 06 Feb 2023 06 Feb 2023 001-39179
6-K Open Document Open Filing FORM 6-K 19 Jan 2023 19 Jan 2023 001-39179
6-K Open Document Open Filing FORM 6-K 08 Dec 2022 08 Dec 2022 001-39179
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D/A3 28 Nov 2022 005-91805
SC 13D/A Open Document Open Filing SC 13D/A 23 Nov 2022 005-91805
424B3 Open Document Open Filing 424B3 22 Nov 2022 333-262050
424B3 Open Document Open Filing 424B3 16 Nov 2022 333-266995
6-K Open Document Open Filing FORM 6-K 14 Nov 2022 14 Nov 2022 001-39179
SC 13D/A Open Document Open Filing SC 13D/A 09 Nov 2022 005-91805
6-K Open Document Open Filing FORM 6-K 03 Nov 2022 03 Nov 2022 001-39179
6-K Open Document Open Filing FORM 6-K 01 Nov 2022 01 Nov 2022 001-39179
6-K/A Open Document | Data Open Filing FORM 6-K/A 14 Sep 2022 30 Jun 2022 001-39179
424B3 Open Document Open Filing 424B3 30 Aug 2022 333-266995
EFFECT Open Document Open Filing 29 Aug 2022 333-262050
EFFECT Open Document Open Filing 29 Aug 2022 333-266995
CORRESP Open Document Open Filing 25 Aug 2022
UPLOAD Open Document Open Filing 25 Aug 2022
POS AM Open Document Open Filing POS AM 24 Aug 2022 333-262050
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D/A2 23 Aug 2022 005-91805
F-1 Open Document Open Filing F-1 19 Aug 2022 333-266995
6-K Open Document Open Filing FORM 6-K 18 Aug 2022 18 Aug 2022 001-39179
6-K Open Document Open Filing FORM 6-K 15 Aug 2022 15 Aug 2022 001-39179
SC 13D/A Open Document Open Filing SC 13D/A 05 Aug 2022 005-91805
D Open Document Open Filing 04 Aug 2022 021-454872
6-K Open Document Open Filing FORM 6-K 26 Jul 2022 26 Jul 2022 001-39179
424B5 Open Document Open Filing 424B5 26 Jul 2022 333-255089
6-K Open Document Open Filing FORM 6-K 22 Jul 2022 22 Jul 2022 001-39179
6-K Open Document Open Filing FORM 6-K 21 Jul 2022 21 Jul 2022 001-39179
6-K Open Document Open Filing FORM 6-K 21 Jul 2022 21 Jul 2022 001-39179
424B5 Open Document Open Filing 424B5 20 Jul 2022 333-262050
6-K Open Document Open Filing FORM 6-K 17 Jun 2022 17 Jun 2022 001-39179
6-K Open Document Open Filing FORM 6-K 27 May 2022 27 May 2022 001-39179
6-K Open Document Open Filing FORM 6-K 10 May 2022 10 May 2022 001-39179
6-K Open Document Open Filing FORM 6-K 05 May 2022 05 May 2022 001-39179
EFFECT Open Document Open Filing 19 Apr 2022 333-235554
6-K Open Document Open Filing FORM 6-K 13 Apr 2022 13 Apr 2022 001-39179
6-K Open Document Open Filing FORM 6-K 06 Apr 2022 06 Apr 2022 001-39179
EFFECT Open Document Open Filing 04 Apr 2022 333-262050
POS AM Open Document Open Filing POS AM 31 Mar 2022 333-262050
6-K Open Document Open Filing FORM 6-K 31 Mar 2022 31 Mar 2022 001-39179
CORRESP Open Document Open Filing 29 Mar 2022
POS AM Open Document Open Filing POS AM 29 Mar 2022 333-235554
6-K Open Document Open Filing FORM 6-K 10 Mar 2022 10 Mar 2022 001-39179
20-F Open Document | Data Open Filing 20-F 10 Mar 2022 31 Dec 2021 001-39179
SC 13G/A Open Document Open Filing SC 13G/A - AMENDMENT NO. 2 18 Feb 2022 005-91805
SC 13G Open Document Open Filing SC 13G 15 Feb 2022 005-91805
SC 13G/A Open Document Open Filing 14 Feb 2022 005-91805
SC 13G Open Document Open Filing ADDEX THERAPEUTICS 14 Feb 2022 005-91805
SC 13G/A Open Document Open Filing NONE 14 Feb 2022 005-91805
SC 13G/A Open Document Open Filing SC 13G/A 11 Feb 2022 005-91805
6-K Open Document Open Filing FORM 6-K 03 Feb 2022 03 Feb 2022 001-39179
424B3 Open Document Open Filing 424B3 19 Jan 2022 333-262050
EFFECT Open Document Open Filing 18 Jan 2022 333-262050
CORRESP Open Document Open Filing 14 Jan 2022
UPLOAD Open Document Open Filing 14 Jan 2022
SC 13D/A Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13DA1 10 Jan 2022 005-91805
F-1 Open Document Open Filing F-1 07 Jan 2022 333-262050
D Open Document Open Filing 21 Dec 2021 021-426200
424B5 Open Document Open Filing 424B5 20 Dec 2021 333-255089
6-K Open Document Open Filing FORM 6-K 20 Dec 2021 17 Dec 2021 001-39179
6-K Open Document Open Filing FORM 6-K 15 Dec 2021 15 Dec 2021 001-39179
6-K Open Document Open Filing FORM 6-K 15 Nov 2021 15 Nov 2021 001-39179
6-K Open Document Open Filing FORM 6-K 04 Nov 2021 04 Nov 2021 001-39179
6-K Open Document Open Filing FORM 6-K 29 Sep 2021 29 Sep 2021 001-39179
6-K Open Document Open Filing FORM 6-K 22 Sep 2021 22 Sep 2021 001-39179
SC 13D/A Open Document Open Filing SC 13D/A 08 Sep 2021 005-91805
6-K Open Document Open Filing FORM 6-K 05 Aug 2021 05 Aug 2021 001-39179
6-K Open Document Open Filing FORM 6-K 02 Aug 2021 02 Aug 2021 001-39179
6-K Open Document Open Filing FORM 6-K 29 Jul 2021 29 Jul 2021 001-39179
6-K Open Document Open Filing FORM 6-K 01 Jul 2021 01 Jul 2021 001-39179
6-K Open Document Open Filing FORM 6-K 30 Jun 2021 29 Jun 2021 001-39179
424B5 Open Document Open Filing 424B5 30 Jun 2021 333-255089
6-K Open Document Open Filing FORM 6-K 29 Jun 2021 29 Jun 2021 001-39179
6-K Open Document Open Filing FORM 6-K 17 Jun 2021 17 Jun 2021 001-39179
6-K Open Document Open Filing FORM 6-K 07 Jun 2021 07 Jun 2021 001-39179
6-K Open Document Open Filing FORM 6-K 17 May 2021 17 May 2021 001-39179
6-K Open Document Open Filing FORM 6-K 14 May 2021 14 May 2021 001-39179
6-K Open Document Open Filing FORM 6-K 05 May 2021 05 May 2021 001-39179
6-K Open Document Open Filing FORM 6-K 26 Apr 2021 26 Apr 2021 001-39179
EFFECT Open Document Open Filing 13 Apr 2021 333-255089
CORRESP Open Document Open Filing 12 Apr 2021
UPLOAD Open Document Open Filing 09 Apr 2021
S-8 Open Document Open Filing S-8 08 Apr 2021 333-255124
6-K Open Document Open Filing FORM 6-K 08 Apr 2021 08 Apr 2021 001-39179
F-3 Open Document Open Filing F-3 07 Apr 2021 333-255089
6-K Open Document Open Filing FORM 6-K 11 Mar 2021 11 Mar 2021 001-39179
20-F Open Document | Data Open Filing 20-F 11 Mar 2021 31 Dec 2020 001-39179
6-K Open Document Open Filing FORM 6-K 17 Feb 2021 17 Feb 2021 001-39179
SC 13G Open Document Open Filing 16 Feb 2021 005-91805
6-K Open Document Open Filing FORM 6-K 16 Feb 2021 16 Feb 2021 001-39179
SC 13G Open Document Open Filing NONE 12 Feb 2021 005-91805
SC 13G Open Document Open Filing SC 13G 10 Feb 2021 005-91805
UPLOAD Open Document Open Filing 01 Feb 2021
SC 13D Open Document Open Filing GROWTH EQUITY OPPORTUNITIES FUND IV (ADDEX THERAPEUTICS) - SCHEDULE 13D 22 Jan 2021 005-91805
6-K Open Document Open Filing FORM 6-K 21 Jan 2021 21 Jan 2021 001-39179
6-K Open Document Open Filing FORM 6-K 12 Jan 2021 11 Jan 2021 001-39179
424B4 Open Document Open Filing 424B4 08 Jan 2021 333-251322
6-K Open Document Open Filing FORM 6-K 07 Jan 2021 07 Jan 2021 001-39179
EFFECT Open Document Open Filing 06 Jan 2021 333-251322
CORRESP Open Document Open Filing 06 Jan 2021
F-1/A Open Document Open Filing F-1/A 06 Jan 2021 333-251322
CORRESP Open Document Open Filing 05 Jan 2021
DEL AM Open Document Open Filing DEL AM 14 Dec 2020 333-251322
6-K Open Document Open Filing FORM 6-K 14 Dec 2020 14 Dec 2020 001-39179
F-1 Open Document Open Filing F-1 14 Dec 2020 333-251322
SC 13D Open Document Open Filing SC 13D 03 Nov 2020 005-91805
6-K Open Document Open Filing FORM 6-K 03 Nov 2020 03 Nov 2020 001-39179
6-K Open Document Open Filing FORM 6-K 02 Nov 2020 02 Nov 2020 001-39179
UPLOAD Open Document Open Filing 15 Oct 2020
DRS Open Document Open Filing 13 Oct 2020 377-03653
6-K Open Document Open Filing FORM 6-K 27 Aug 2020 27 Aug 2020 001-39179
6-K Open Document Open Filing 6-K 12 Aug 2020 12 Aug 2020 001-39179
6-K Open Document Open Filing FORM 6-K 20 Jul 2020 20 Jul 2020 001-39179
6-K Open Document Open Filing FORM 6-K 16 Jun 2020 16 Jun 2020 001-39179
6-K Open Document Open Filing FORM 6-K 10 Jun 2020 10 Jun 2020 001-39179
6-K Open Document Open Filing 6-K 20 May 2020 20 May 2020 001-39179
6-K Open Document Open Filing FORM 6-K 19 May 2020 19 May 2020 001-39179
UPLOAD Open Document Open Filing 11 May 2020
POS AM Open Document Open Filing POS AM 27 Apr 2020 333-235554
20-F Open Document | Data Open Filing 20-F 27 Apr 2020 31 Dec 2019 001-39179
6-K Open Document Open Filing FORM 6-K 08 Apr 2020 08 Apr 2020 001-39179
6-K Open Document Open Filing 6-K 18 Mar 2020 18 Mar 2020 001-39179
6-K Open Document Open Filing 6-K 06 Mar 2020 03 Mar 2020 001-39179
424B4 Open Document Open Filing 424B4 28 Jan 2020 333-235554
CERT Open Document Open Filing 28 Jan 2020 001-39179
EFFECT Open Document Open Filing 27 Jan 2020 333-235561
EFFECT Open Document Open Filing 27 Jan 2020 333-235554
CORRESP Open Document Open Filing 23 Jan 2020
CORRESP Open Document Open Filing 23 Jan 2020
F-1/A Open Document Open Filing F-1/A 23 Jan 2020 333-235554
UPLOAD Open Document Open Filing 15 Jan 2020
8-A12B Open Document Open Filing 8-A12B 14 Jan 2020 001-39179
F-1/A Open Document Open Filing F-1A 14 Jan 2020 333-235554
CORRESP Open Document Open Filing 13 Jan 2020
UPLOAD Open Document Open Filing 31 Dec 2019
F-6 Open Document Open Filing 18 Dec 2019 333-235561
CORRESP Open Document Open Filing 17 Dec 2019
F-1 Open Document Open Filing F-1 17 Dec 2019 333-235554
SEC STAFF LETTER Open Document Open Filing 16 Dec 2019
UPLOAD Open Document Open Filing 12 Dec 2019
DRSLTR Open Document Open Filing 27 Nov 2019
DRS/A Open Document Open Filing 27 Nov 2019 377-02847
UPLOAD Open Document Open Filing 24 Oct 2019
SEC STAFF LETTER Open Document Open Filing 26 Sep 2019
DRS Open Document Open Filing 24 Sep 2019 377-02847