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Equity Incentive Plans - (Tables)
 3 Months Ended
May 02, 2021
Share-based Payment Arrangement [Abstract]  
Equity Incentive Plans
A summary of the stock option activity under our equity incentive plans and related information is as follows:
 
 Options Outstanding
 Number of
Shares		Weighted-
Average
Exercise Price		Weighted-
Average
Remaining
Contractual Life (In Years)		Aggregate
Intrinsic
Value (in thousands)
Balance at the end of fiscal 202118,558,974 $9.60 4.3$251,503 
Options exercised(1,330,998)5.91   
Options forfeited(42,310)11.49   
Balance at the end of the first quarter of fiscal 2022
17,185,666 $9.88 4.1$178,086 
Vested and exercisable at the end of the first quarter of fiscal 2022
15,177,675 $10.30 3.7$150,613 
Restricted Stock Units and Performance Restricted Stock Units
A summary of the RSU activity under our equity incentive plans and related information is as follows:
 Number of
RSUs Outstanding		Weighted-
Average
Grant Date
Fair Value		Aggregate
Intrinsic
Value (in thousands)
Unvested balance at the end of fiscal 202130,830,082 $15.77 $712,657 
Granted
9,393,611 22.36 
Vested(3,082,031)15.61 
Forfeited(1,829,331)15.65 
Unvested balance at the end of the first quarter of fiscal 2022
35,312,331 $17.53 $714,015 
Restricted Stock
A summary of the restricted stock activity under our 2015 Plan and related information is as follows:
 Number of
Restricted Stock Outstanding		Weighted-
Average
Grant Date
Fair Value		Aggregate
Intrinsic
Value (in thousands)
Unvested balance at the end of fiscal 2021557,836 $19.06 $12,903 
Vested(180,337)19.33 
Unvested balance at the end of the first quarter of fiscal 2022
377,499 $18.94 $7,633 
Stock-Based Compensation
The following table summarizes the components of stock-based compensation expense recognized in the condensed consolidated statements of operations (in thousands):
 
 
First Quarter of Fiscal
 20212022
Cost of revenue—product$996 $1,347 
Cost of revenue—subscription services3,392 4,406 
Research and development
28,711 30,421 
Sales and marketing16,272 16,808 
General and administrative9,323 8,352 
Total stock-based compensation expense$58,694 $61,334