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Equity Incentive Plans - (Tables)

9 Months Ended

Nov. 01, 2020

Share-based Payment Arrangement [Abstract]

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 2020	26,822,243	$	8.97	3.9	$	237,803
Options assumed in an acquisition	1,891,349	1.75
Options exercised	(4,990,458)	5.14
Options forfeited	(344,685)	16.16
Balance at the end of the third quarter of fiscal 2021	23,378,449	$	9.10	4.3	$	171,868
Vested and exercisable at the end of the third quarter of fiscal 2021	20,177,814	$	9.28	3.9	$	144,373

Restricted Stock Units and Performance Restricted Stock Units

A summary of the RSU and PRSU activity under our equity incentive plans and related information is as follows:


	Number of RSUs and PRSUs Outstanding	Weighted- Average Grant Date Fair Value		Aggregate Intrinsic Value (in thousands)
Unvested balance at the end of fiscal 2020	25,434,597	$	18.72	$	452,736
Granted	16,650,722	11.73
Assumed in an acquisition	2,016,061	15.79
Vested	(8,445,201)	16.95
Forfeited	(2,308,191)	16.94

Unvested balance at the end of the third quarter of fiscal 2021	33,347,988	$	15.62	$	536,903

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 2020	2,127,206	$	19.58	$	37,684

Vested	(1,031,540)	19.60
Forfeited/canceled	(316,965)	20.38

Unvested balance at the end of the third quarter of fiscal 2021	778,701	$	19.23	$	12,537

Stock-Based Compensation

The following table summarizes the components of stock-based compensation expense recognized in the condensed consolidated statements of operations (in thousands):


	Third Quarter of Fiscal				First Three Quarters of Fiscal
	2020		2021		2020		2021
Cost of revenue—product	$	912	$	1,027	$	2,843	$	3,013
Cost of revenue—subscription services	3,517		3,883		11,101		10,961
Research and development	27,827		29,220		85,180		87,770
Sales and marketing	16,802		14,898		51,171		48,018
General and administrative	5,171		10,581		24,495		29,993
Total stock-based compensation expense	$	54,229	$	59,609	$	174,790	$	179,755