Form 4 for ADXN Addex Therapeutics Ltd.
Accepted 2026-09-04 16:06:52 ET · period of report 2026-09-02 · accession 0001104659-26-105501 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-04 16:06 | 2026-09-02 | ADXN | Nunn Jason Raleigh | Dir | D - Sale to Iss | $0.00 | -219.6K | 0 | -100% | $0 |
| D | 2026-09-04 16:06 | 2026-09-02 | ADXN | Nunn Jason Raleigh | Dir | A - Grant | $0.00 | +219.6K | 219.6K | New | $0 |
| D | 2026-09-04 16:06 | 2026-09-02 | ADXN | Nunn Jason Raleigh | Dir | D - Sale to Iss | $0.00 | -50.0K | 0 | -100% | $0 |
| D | 2026-09-04 16:06 | 2026-09-02 | ADXN | Nunn Jason Raleigh | Dir | A - Grant | $0.00 | +50.0K | 50.0K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-02 | D | D | 219,561 | $0.00 | 0 | D | — | — | (F1) Represents 219,561 shares of common Stock listed on SIX Swiss Exchange acquired following the exercise of options. Of these shares, 128,238 were acquired on October 26, 2022 under the deferred strike price payment plan with an initial strike price of $0.16 per share and 91,323 were acquired on November 27, 2023 with an initial strike price of $0.053 per share. On September 2, 2026, following the implementation of the Remuneration Committee's decision, the Strike price of all units was reduced to $0.032. All the other terms of the deferred strike price payment plan remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the exchange act as applicable.The strike prices indicated in this section reflect the conversion from CHF to USD at an exchange rate of $1.2296 per CHF 1.00 as of September 2, 2026. (F1) Represents 219,561 shares of common Stock listed on SIX Swiss Exchange acquired following the exercise of options. Of these shares, 128,238 were acquired on October 26, 2022 under the deferred strike price payment plan with an initial strike price of $0.16 per share and 91,323 were acquired on November 27, 2023 with an initial strike price of $0.053 per share. On September 2, 2026, following the implementation of the Remuneration Committee's decision, the Strike price of all units was reduced to $0.032. All the other terms of the deferred strike price payment plan remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the exchange act as applicable.The strike prices indicated in this section reflect the conversion from CHF to USD at an exchange rate of $1.2296 per CHF 1.00 as of September 2, 2026. |
| 2 | Common | Common Stock | 2026-09-02 | A | A | 219,561 | $0.00 | 219,561 | D | — | — | (F1) Represents 219,561 shares of common Stock listed on SIX Swiss Exchange acquired following the exercise of options. Of these shares, 128,238 were acquired on October 26, 2022 under the deferred strike price payment plan with an initial strike price of $0.16 per share and 91,323 were acquired on November 27, 2023 with an initial strike price of $0.053 per share. On September 2, 2026, following the implementation of the Remuneration Committee's decision, the Strike price of all units was reduced to $0.032. All the other terms of the deferred strike price payment plan remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the exchange act as applicable.The strike prices indicated in this section reflect the conversion from CHF to USD at an exchange rate of $1.2296 per CHF 1.00 as of September 2, 2026. (F1) Represents 219,561 shares of common Stock listed on SIX Swiss Exchange acquired following the exercise of options. Of these shares, 128,238 were acquired on October 26, 2022 under the deferred strike price payment plan with an initial strike price of $0.16 per share and 91,323 were acquired on November 27, 2023 with an initial strike price of $0.053 per share. On September 2, 2026, following the implementation of the Remuneration Committee's decision, the Strike price of all units was reduced to $0.032. All the other terms of the deferred strike price payment plan remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the exchange act as applicable.The strike prices indicated in this section reflect the conversion from CHF to USD at an exchange rate of $1.2296 per CHF 1.00 as of September 2, 2026. |
| 3 | Derivative | Stock-option (Right to Buy) | 2026-09-02 | D | D | 50,000 | $0.00 | 0 | D | $0.062 · 2024-01-08 to 2034-01-07 | 50,000 Common Stock | (F3) The exercise price is reported in U.S. dollars and reflects the conversion from CHF to USD at an exchange rate of $1.2296 per CHF 1.00 as of September 2, 2026. (F2) On September 2, 2026, following the implementation of the Remuneration Committee's decision, the exercise price of options was repriced to $0.032. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the exchange act as applicable. |
| 4 | Derivative | Stock-option (Right to Buy) | 2026-09-02 | A | A | 50,000 | $0.00 | 50,000 | D | $0.032 · 2024-01-08 to 2034-01-07 | 50,000 Common Stock | (F3) The exercise price is reported in U.S. dollars and reflects the conversion from CHF to USD at an exchange rate of $1.2296 per CHF 1.00 as of September 2, 2026. (F2) On September 2, 2026, following the implementation of the Remuneration Committee's decision, the exercise price of options was repriced to $0.032. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the exchange act as applicable. |