v3.26.1
Share-Based Payments (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Share-based compensation expense included in condensed consolidated statements of income
The following table summarizes share-based compensation expense included in our condensed consolidated statements of income:
For the Three Months Ended June 30,For the Six Months Ended June 30,
(In millions)2026202520262025
Research and development
$32.3 $30.1 $67.1 $62.2 
Selling, general and administrative48.0 48.0 101.0 100.0 
Subtotal80.3 78.1 168.1 162.2 
Capitalized share-based compensation costs (3.0)(3.2)(6.8)(6.3)
Share-based compensation expense included in total cost and expense77.3 74.9 161.3 155.9 
Income tax effect(15.2)(14.9)(31.7)(30.9)
Share-based compensation expense included in net income attributable to Biogen Inc.$62.1 $60.0 $129.6 $125.0 
Summary of share-based compensation expense associated with each of our share-based compensating programs
The following table summarizes share-based compensation expense associated with each of our share-based compensation programs:
For the Three Months Ended June 30,For the Six Months Ended June 30,
(In millions)2026202520262025
Time-vested restricted stock units$66.6 $60.6 $137.5 $126.7 
Performance stock units settled in stock11.8 15.0 25.1 28.6 
Employee stock purchase plan1.9 1.6 5.5 5.1 
Stock options— 0.9 — 1.8 
Subtotal80.3 78.1 168.1 162.2 
Capitalized share-based compensation costs(3.0)(3.2)(6.8)(6.3)
Share-based compensation expense included in total cost and expense$77.3 $74.9 $161.3 $155.9