v3.26.1
Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($)
shares in Millions, $ in Millions
Total
Common
Accumulated Deficit
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Treasury
Beginning balance (in shares) at Dec. 31, 2024   68.8        
Beginning balance (in shares) at Dec. 31, 2024           0.0
Beginning balance at Dec. 31, 2024 $ 561.7 $ 0.1 $ (1,531.6) $ 2,092.2 $ 1.0 $ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 25.4     25.4    
Net income (loss) 21.7   21.7      
Issuance of common stock under equity incentive plans (in shares)   1.0        
Issuance of common stock under equity incentive plans 0.5     0.5    
Issuance of common stock for pre-funded warrants (in shares)   3.4        
Unrealized loss on available-for-sale securities 0.0          
Ending balance (in shares) at Jun. 30, 2025   73.2        
Ending balance (in shares) at Jun. 30, 2025           0.0
Ending balance at Jun. 30, 2025 609.3 $ 0.1 (1,509.9) 2,118.1 1.0 $ 0.0
Beginning balance (in shares) at Mar. 31, 2025   73.0        
Beginning balance (in shares) at Mar. 31, 2025           0.0
Beginning balance at Mar. 31, 2025 660.1 $ 0.1 (1,448.7) 2,107.2 1.5 $ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 10.4     10.4    
Net income (loss) (61.2)   (61.2)      
Issuance of common stock under equity incentive plans (in shares)   0.2        
Issuance of common stock under equity incentive plans 0.5     0.5    
Unrealized loss on available-for-sale securities (0.5)       (0.5)  
Ending balance (in shares) at Jun. 30, 2025   73.2        
Ending balance (in shares) at Jun. 30, 2025           0.0
Ending balance at Jun. 30, 2025 $ 609.3 $ 0.1 (1,509.9) 2,118.1 1.0 $ 0.0
Beginning balance (in shares) at Dec. 31, 2025 63.5 73.5        
Beginning balance (in shares) at Dec. 31, 2025 10.0         10.0
Beginning balance at Dec. 31, 2025 $ 433.9 $ 0.1 (1,612.4) 2,136.9 1.2 $ (91.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 18.0     18.0    
Net income (loss) 111.8   111.8      
Issuance of common stock under equity incentive plans (in shares)   1.8        
Issuance of common stock under equity incentive plans 0.5     0.5    
Unrealized loss on available-for-sale securities $ (2.0)       (2.0)  
Ending balance (in shares) at Jun. 30, 2026 65.3 75.3        
Ending balance (in shares) at Jun. 30, 2026 10.0         10.0
Ending balance at Jun. 30, 2026 $ 562.2 $ 0.1 (1,500.6) 2,155.4 (0.8) $ (91.9)
Beginning balance (in shares) at Mar. 31, 2026   74.5        
Beginning balance (in shares) at Mar. 31, 2026           10.0
Beginning balance at Mar. 31, 2026 386.8 $ 0.1 (1,670.0) 2,149.0 (0.4) $ (91.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation 5.9     5.9    
Net income (loss) 169.4   169.4      
Issuance of common stock under equity incentive plans (in shares)   0.8        
Issuance of common stock under equity incentive plans 0.5     0.5    
Unrealized loss on available-for-sale securities $ (0.4)       (0.4)  
Ending balance (in shares) at Jun. 30, 2026 65.3 75.3        
Ending balance (in shares) at Jun. 30, 2026 10.0         10.0
Ending balance at Jun. 30, 2026 $ 562.2 $ 0.1 $ (1,500.6) $ 2,155.4 $ (0.8) $ (91.9)