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STATEMENTS OF CONSOLIDATED CHANGES IN SHAREHOLDERS’ EQUITY - EUR (€)
Total
Share capital Ordinary shares
Premiums related to share capital
Accumulated other comprehensive income (loss)
Treasury shares
Reserve
Net loss for the period
Number of shares outstanding at beginning of period (in shares) at Dec. 31, 2018   19,633,373          
Equity at beginning of period at Dec. 31, 2018 € 14,243,000 € 589,000 € 122,799,000 € 381,000 € (124,000) € (79,057,000) € (30,345,000)
Net loss for the period (50,915,000)           (50,915,000)
Currency translation adjustments (36,000)     (36,000)      
Actuarial gains and losses (IAS 19) 88,000     88,000      
Total comprehensive loss (50,863,000)     52,000     (50,915,000)
Allocation of prior period loss 0         (30,345,000) 30,345,000
Capital increase, net (in shares)   2,566,666          
Capital increase, net 28,079,000 € 77,000 28,002,000        
BSPCE exercise (in shares)   215,000          
BSPCE exercise 1,306,000 € 6,000 1,300,000        
Subscription of warrants 21,000   8,000     13,000  
Share based payment 4,320,000         4,320,000  
Treasury shares (45,000)       (45,000)    
U.S. Initial public offering costs offset 1,030,000   1,030,000        
Number of shares outstanding at end of period (in shares) at Dec. 31, 2019   22,415,039          
Equity at end of period at Dec. 31, 2019 (1,908,000) € 672,451.17 153,139,000 433,000 (169,000) (105,070,000) (50,915,000)
Net loss for the period (33,590,000)           (33,590,000)
Currency translation adjustments 125,000     125,000      
Actuarial gains and losses (IAS 19) (4,000)     (4,000)      
Total comprehensive loss (33,469,000)     121,000     (33,590,000)
Allocation of prior period loss 0         (50,915,000) 50,915,000
Capital increase, net (in shares)   12,017,083          
Capital increase, net 102,942,000 € 361,000 102,591,000     (10,000)  
Subscription of warrants 5,000   5,000        
Share based payment 2,924,000         2,924,000  
Treasury shares (27,000)       € (27,000)    
U.S. Initial public offering costs offset (10,700,000)            
Number of shares outstanding at end of period (in shares) at Dec. 31, 2020   34,432,122     12,970    
Equity at end of period at Dec. 31, 2020 70,468,000 € 1,032,963.66 255,735,000 555,000 € (196,000) (153,070,000) (33,590,000)
Net loss for the period (47,003,000)           (47,003,000)
Currency translation adjustments (94,000)     (94,000)      
Actuarial gains and losses (IAS 19) 182,000     182,000      
Total comprehensive loss (46,915,000)     88,000     (47,003,000)
Allocation of prior period loss 0         (33,590,000) 33,590,000
Capital increase, net (in shares)   393,750          
Capital increase, net 0 € 12,000       (12,000)  
Subscription of warrants 43,000   32,000     11,000  
Share based payment 3,201,000         3,201,000  
Treasury shares (6,000)       € (6,000)    
Number of shares outstanding at end of period (in shares) at Dec. 31, 2021   34,825,872     15,456    
Equity at end of period at Dec. 31, 2021 € 26,790,000 € 1,044,776.16 € 255,767,000 € 643,000 € (202,000) € (183,460,000) € (47,003,000)