Equity Incentive Plans (Tables)

12 Months Ended

Feb. 06, 2022

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Activity Under Equity Incentive Plans and Related Information

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 (Years)	Aggregate Intrinsic Value (in thousands)
Balance at the end of fiscal 2021	18,558,974	$	9.60	4.3	$	251,503
Options exercised	(5,954,724)	8.15
Options forfeited/canceled	(335,312)	11.50
Balance at the end of fiscal 2022	12,268,938	$	10.25	3.5	$	198,266
Vested and exercisable at the end of fiscal 2022	11,565,305	$	10.73	3.2	$	180,978

Summary of Estimate Fair Value of Employee Stock Options and Employee Purchase Plan

The assumptions used for the periods presented are as follows: 

	Fiscal Year Ended
	2020	2021	2022
Employee Stock Options
Expected term (in years)	n/a	5.65	n/a
Expected volatility	n/a	52.07%	n/a
Risk-free interest rate	n/a	0.3%	n/a
Dividend rate	n/a	—	n/a
Fair value of common stock	n/a	$15.79	n/a
Employee Stock Purchase Plan
Expected term (in years)	0.5 - 2.0	0.5 - 2.0	0.5 - 2.0
Expected volatility	42% - 47%	52% - 113%	44% - 61%
Risk-free interest rate	1.7% - 2.5%	0.1% - 0.4%	0.1% - 0.2%
Dividend rate	—	—	—
Fair value of common stock	$17.76 - $20.87	$9.07 - $15.26	$23.63 - $26.69

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

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 2021	30,830,082	$	15.77	$	712,657
Granted	17,173,968	23.42
Vested	(12,955,468)	17.07
Forfeited	(6,335,704)	16.60
Unvested balance at the end of fiscal 2022	28,712,878	$	19.53	$	757,446

Schedule of Restricted Stock Activity

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 2021	557,836	$	19.06	$	12,903
Vested	(440,687)	18.78
Forfeited	(62,172)	20.22
Unvested balance at the end of fiscal 2022	54,977	$	20.02	$	1,450

Summarizes the Components of Stock-Based Compensation

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

	Fiscal Year Ended
	2020		2021		2022
Cost of revenue—product	$	3,732	$	4,001	$	6,334
Cost of revenue—subscription services	14,403		14,979		21,240
Research and development	107,658		117,220		142,264
Sales and marketing	67,560		65,248		71,439
General and administrative	33,352		40,896		45,686
Total stock-based compensation expense	$	226,705	$	242,344	$	286,963