v3.26.3
Notes to the unaudited interim condensed consolidated statement of financial position - Movements in BSPCE and BSA share warrants (Details)
6 Months Ended
Jun. 30, 2026
EquityInstruments
shares
plan
€ / shares
Jun. 30, 2026
EquityInstruments
plan
€ / shares
shares
BSPCE and BSA Share Warrants    
Notes to the unaudited interim condensed consolidated statement of financial position    
Outstanding, Beginning balance   776,333
Issued   300,000
Outstanding, Ending balance 1,076,333 1,076,333
Number of exercisable shares 1,046,333 1,046,333
Number of shares callable by warrants | shares 1,076,333 1,076,333
BSPCE plans    
Notes to the unaudited interim condensed consolidated statement of financial position    
Number of plans outstanding | plan 1 1
Outstanding, Beginning balance   430,000
Outstanding, Ending balance 430,000 430,000
Number of exercisable shares 430,000 430,000
Number of shares callable by warrants | shares 430,000 430,000
BSPCE 2021    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 11.74 € 11.74
Outstanding, Beginning balance   430,000
Outstanding, Ending balance 430,000 430,000
Number of exercisable shares 430,000 430,000
BSA plans    
Notes to the unaudited interim condensed consolidated statement of financial position    
Number of plans outstanding | plan 9 9
Outstanding, Beginning balance   346,333
Issued   300,000
Outstanding, Ending balance 646,333 646,333
Number of exercisable shares 616,333 616,333
Number of shares callable by warrants | shares 646,333 646,333
BSA - 2017 plan    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 6.67 € 6.67
Outstanding, Beginning balance   130,000
Outstanding, Ending balance 130,000 130,000
Number of exercisable shares 130,000 130,000
BSA - 2018 plan    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 6.07 € 6.07
Outstanding, Beginning balance   116,000
Outstanding, Ending balance 116,000 116,000
Number of exercisable shares 116,000 116,000
BSA 2019    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 2.2 € 2.2
Outstanding, Beginning balance   10,000
Outstanding, Ending balance 10,000 10,000
Number of exercisable shares 10,000 10,000
BSA 2019 bis    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.68 € 3.68
Outstanding, Beginning balance   10,000
Outstanding, Ending balance 10,000 10,000
Number of exercisable shares 10,000 10,000
BSA 2019 ter    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.68 € 3.68
Outstanding, Beginning balance   36,000
Outstanding, Ending balance 36,000 36,000
Number of exercisable shares 36,000 36,000
BSA 2021    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 11.74 € 11.74
Outstanding, Beginning balance   14,333
Outstanding, Ending balance 14,333 14,333
Number of exercisable shares 14,333 14,333
BSA 2023-1    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 2.51 € 2.51
Outstanding, Beginning balance   10,000
Outstanding, Ending balance 10,000 10,000
BSA- 2 2023 plan    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.91 € 3.91
Outstanding, Beginning balance   20,000
Outstanding, Ending balance 20,000 20,000
BSA 2026    
Notes to the unaudited interim condensed consolidated statement of financial position    
Exercise price (in euros) | € / shares € 3.28 € 3.28
Issued 300,000 300,000
Outstanding, Ending balance 300,000 300,000
Number of exercisable shares 300,000 300,000
Subscription price per warrant | € / shares € 0.68 € 0.68
Exercise price | € / shares € 3.28