v3.25.2
Share-Based Payments (Tables)
 6 Months Ended
Jun. 30, 2025
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)2025202420252024
Research and development
$30.1 $27.3 $62.2 $54.7 
Selling, general and administrative48.0 45.6 100.0 89.6 
Subtotal78.1 72.9 162.2 144.3 
Capitalized share-based compensation costs (3.2)(2.3)(6.3)(5.6)
Share-based compensation expense included in total cost and expense74.9 70.6 155.9 138.7 
Income tax effect(14.9)(13.4)(30.9)(26.3)
Share-based compensation expense included in net income attributable to Biogen Inc.$60.0 $57.2 $125.0 $112.4 
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)2025202420252024
Time-vested restricted stock units$60.6 $58.3 $126.7 $115.6 
Performance stock units settled in stock15.0 11.7 28.6 22.2 
Employee stock purchase plan1.6 1.8 5.1 6.3 
Performance stock units settled in cash— 0.1 — (2.0)
Stock options0.9 0.9 1.8 1.8 
Market stock units— 0.1 — 0.4 
Subtotal78.1 72.9 162.2 144.3 
Capitalized share-based compensation costs(3.2)(2.3)(6.3)(5.6)
Share-based compensation expense included in total cost and expense$74.9 $70.6 $155.9 $138.7