v3.25.3
UNAUDITED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY / (DEFICIT) - USD ($)
$ in Thousands
Ordinary shares
Additional paid-in capital
Accumulated other comprehensive loss
Accumulated deficit
Total
Beginning balance at Dec. 31, 2023 $ 2,883 $ 1,148,749 $ (53,553) $ (890,409) $ 207,670
Beginning balance (in shares) at Dec. 31, 2023 47,833,830        
Increase (decrease) in shareholders' (deficit) / equity          
Loss for the period       (166,295) (166,295)
Other comprehensive gain (loss), net     (3,145)   (3,145)
Exercises of share options   32     32
Exercises of share options (in shares) 3,900        
Restricted and performance share units distributed during the period $ 48 (48)      
Restricted and performance share units distributed during the period (in shares) 890,994        
Share-based compensation expense   17,509     17,509
Issuance of ordinary shares relating to employee stock purchase plan $ 1 49     50
Issuance of ordinary shares relating to employee stock purchase plan (in shares) 10,150        
Ending balance at Sep. 30, 2024 $ 2,932 1,166,291 (56,698) (1,056,704) 55,821
Ending balance (in shares) at Sep. 30, 2024 48,738,874        
Beginning balance at Jun. 30, 2024 $ 2,930 1,162,823 (56,320) (1,012,326) 97,107
Beginning balance (in shares) at Jun. 30, 2024 48,694,569        
Increase (decrease) in shareholders' (deficit) / equity          
Loss for the period       (44,378) (44,378)
Other comprehensive gain (loss), net     (378)   (378)
Exercises of share options   32     32
Exercises of share options (in shares) 3,900        
Restricted and performance share units distributed during the period $ 2 (2)      
Restricted and performance share units distributed during the period (in shares) 40,405        
Share-based compensation expense   3,438     3,438
Ending balance at Sep. 30, 2024 $ 2,932 1,166,291 (56,698) (1,056,704) 55,821
Ending balance (in shares) at Sep. 30, 2024 48,738,874        
Beginning balance at Dec. 31, 2024 $ 2,945 1,173,068 (52,800) (1,129,965) $ (6,752)
Beginning balance (in shares) at Dec. 31, 2024 48,988,087       48,988,087
Increase (decrease) in shareholders' (deficit) / equity          
Loss for the period       (161,885) $ (161,885)
Other comprehensive gain (loss), net     (5,945)   (5,945)
Follow-on public offering $ 655 380,082     380,737
Follow-on public offering (in shares) 11,810,370        
Tax benefit related to historical share issuance costs   862     862
Exercises of share options $ 33 8,680     8,713
Exercises of share options (in shares) 553,556        
Restricted and performance share units distributed during the period $ 45 (45)      
Restricted and performance share units distributed during the period (in shares) 813,887        
Share-based compensation expense   13,016     13,016
Ending balance at Sep. 30, 2025 $ 3,678 1,575,663 (58,745) (1,291,850) $ 228,746
Ending balance (in shares) at Sep. 30, 2025 62,165,900       62,165,900
Beginning balance at Jun. 30, 2025 $ 3,250 1,262,971 (58,903) (1,211,321) $ (4,003)
Beginning balance (in shares) at Jun. 30, 2025 54,865,673        
Increase (decrease) in shareholders' (deficit) / equity          
Loss for the period       (80,529) (80,529)
Other comprehensive gain (loss), net     158   158
Follow-on public offering $ 394 299,832     300,226
Follow-on public offering (in shares) 6,736,841        
Tax benefit related to historical share issuance costs   862     862
Exercises of share options $ 32 8,478     8,510
Exercises of share options (in shares) 532,316        
Restricted and performance share units distributed during the period $ 2 (2)      
Restricted and performance share units distributed during the period (in shares) 31,070        
Share-based compensation expense   3,522     3,522
Ending balance at Sep. 30, 2025 $ 3,678 $ 1,575,663 $ (58,745) $ (1,291,850) $ 228,746
Ending balance (in shares) at Sep. 30, 2025 62,165,900       62,165,900