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 15.0     15.0    
Net (loss) income 82.9   82.9      
Issuance of common stock under equity incentive plans (in shares)   0.8        
Issuance of common stock for pre-funded warrants (in shares)   3.4        
Unrealized gain (loss) on available-for-sale securities 0.5       0.5  
Ending balance (in shares) at Mar. 31, 2025   73.0        
Ending balance (in shares) at Mar. 31, 2025           0.0
Ending balance at Mar. 31, 2025 $ 660.1 $ 0.1 (1,448.7) 2,107.2 1.5 $ 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 12.1     12.1    
Net (loss) income (57.6)   (57.6)      
Issuance of common stock under equity incentive plans (in shares)   1.0        
Unrealized gain (loss) on available-for-sale securities $ (1.6)       (1.6)  
Ending balance (in shares) at Mar. 31, 2026 64.5 74.5        
Ending balance (in shares) at Mar. 31, 2026 10.0         10.0
Ending balance at Mar. 31, 2026 $ 386.8 $ 0.1 $ (1,670.0) $ 2,149.0 $ (0.4) $ (91.9)