v3.26.3
Share-based Payments
9 Months Ended
Sep. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Share-based Payments
Note 16:
Share-Based Payments
Share-based Compensation Expense
The following table summarizes share-based compensation expense included in our condensed consolidated statements of income:
For the Three Months Ended September 30,For the Nine Months Ended September 30,
(In millions)2026202520262025
Research and development
$33.3 $28.8 $100.4 $91.0 
Selling, general and administrative51.0 49.6 152.0 149.6 
Subtotal84.3 78.4 252.4 240.6 
Capitalized share-based compensation costs (3.0)(3.1)(9.8)(9.4)
Share-based compensation expense included in total cost and expense81.3 75.3 242.6 231.2 
Income tax effect(16.0)(14.4)(47.7)(45.3)
Share-based compensation expense included in net income attributable to Biogen Inc.$65.3 $60.9 $194.9 $185.9 
The following table summarizes share-based compensation expense associated with each of our share-based compensation programs:
For the Three Months Ended September 30,For the Nine Months Ended September 30,
(In millions)2026202520262025
Time-vested restricted stock units$69.4 $60.1 $206.9 $186.8 
Performance stock units settled in stock12.9 15.5 38.0 44.1 
Employee stock purchase plan2.0 1.8 7.5 6.9 
Stock options— 1.0 — 2.8 
Subtotal84.3 78.4 252.4 240.6 
Capitalized share-based compensation costs(3.0)(3.1)(9.8)(9.4)
Share-based compensation expense included in total cost and expense$81.3 $75.3 $242.6 $231.2