v3.25.4
STOCKHOLDERS’ EQUITY (DEFICIT) (Tables)
12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expenses Included in Operating Costs and Expenses
The following table summarizes stock-based compensation expenses included in operating costs and expenses:
Years Ended December 31,
(In thousands)202520242023
Research and development$153,395 $127,749 $97,273 
Selling, general and administrative194,840 144,335 124,407 
Total$348,235 $272,084 $221,680 
Schedule of Stock-Based Compensation Expense
The following table summarizes stock-based compensation expense by type of award:
Years Ended December 31,
(In thousands)202520242023
Time-based restricted stock units$164,785 $108,501 $55,169 
Performance-based restricted stock units121,449 73,295 63,879 
Time-based stock options56,477 85,467 99,165 
Other equity programs10,034 8,054 7,652 
Less: Stock-based compensation expense capitalized to inventory(4,510)(3,233)(4,185)
Total$348,235 $272,084 $221,680 
Schedule of Unrecognized Stock-Based Compensation Expense, Net of Estimated Forfeitures
The following table summarizes our unrecognized stock-based compensation expense, net of estimated forfeitures, by type of awards, and the weighted-average period over which that expense is expected to be recognized:
As of December 31, 2025
Unrecognized Expense, Net of Estimated Forfeitures (in thousands)Weighted-average Recognition Period (in years)
Time-based restricted stock units$221,963 1.54
Performance-based restricted stock units *$59,409 2.13
Time-based stock options$39,276 1.71
Other equity programs$3,957 0.53
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*Excludes performance-based restricted stock units for which the associated vesting events are not yet determined to be probable.
Schedule of Restricted Stock Units and Performance-Based Restricted Stock Units Activity
The following table summarizes the activity of our time-based restricted stock units and awards, excluding performance-based restricted stock units:
Number of Units (in thousands)Weighted-average Grant Date Fair Value (per share)
Outstanding as of December 31, 20241,725 $175.39 
Awarded894 $266.05 
Released(702)$177.13 
Cancelled(181)$194.93 
Outstanding as of December 31, 20251,736 $219.38 
Performance-Based Restricted Stock Units
The following table summarizes the activity of our performance-based restricted stock units:
Number of Units (in thousands)Weighted-average Grant Date Fair Value (per share)
Outstanding as of December 31, 2024954 $156.56 
Awarded396 $243.53 
Released(451)$157.31 
Cancelled(120)$183.73 
Outstanding as of December 31, 2025779 $197.48 
Schedule of Stock Option Activity
The following table summarizes the activity of our time-based stock options, excluding performance-based stock options:
Number of Options (in thousands)Weighted-average Exercise Price (per share)Weighted-average Remaining Contractual Term (in years)Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 20244,863 $133.80 
Granted288 $248.08 
Exercised(1,683)$128.58 
Cancelled(101)$183.51 
Outstanding as of December 31, 20253,367 $144.73 5.38$850,730 
Exercisable as of December 31, 20252,744 $132.29 4.80$728,074 
Vested or expected to vest as of December 31, 20253,320 $143.93 5.35$842,655 
Schedule of Stock Purchase Rights Granted Under the Employee Stock Purchase Plan
The following table summarizes the activity of our performance-based stock options granted under our equity plans:
Number of Options (in thousands)Weighted-average Exercise Price (per share)Weighted-average Remaining Contractual Term (in years)Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2024273 $99.24 
Exercised(153)$99.08 
Outstanding as of December 31, 2025120 $99.44 1.83$35,737 
Exercisable as of December 31, 2025120 $99.44 1.83$35,737 
Schedule of Valuation Assumptions for Stock Options
The following table summarizes the Black-Scholes valuation assumption inputs for employee stock options granted:
Years Ended December 31,
202520242023
Risk-free interest rate
4.0 - 4.1%
4.2 - 4.3%
3.5 - 4.1%
Expected dividend yield— — — 
Expected option life
5.9 years
6.0 years
5.1 - 7.0 years
Expected volatility
46 - 47%
47 - 48%
49 - 60%
The following table summarizes the Black-Scholes valuation assumption inputs for stock purchase rights granted under the employee stock purchase plan:
Years Ended December 31,
202520242023
Risk-free interest rate
3.8% - 4.2%
4.4% - 5.4%
5.1% - 5.4%
Expected dividend yield— — — 
Expected option life6 months6 months6 months
Expected volatility
38% - 48%
35% - 54%
34% - 39%