Equity Incentive Plans and Employee Stock Purchase Plan (Tables)

3 Months Ended

Apr. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of stock option activity

The following table summarizes stock option activity for the three months ended April 30, 2020 (in thousands, except share and per share data and years):

	Shares		Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (In Years)	Aggregate Intrinsic Value
Balance - January 31, 2020	6,178,999		$	7.60	5.7	$	965,860
Stock options exercised	(373,394	)	8.03
Stock options forfeited and expired	(16,389	)	10.06
Balance - April 30, 2020	5,789,216		$	7.56	5.5	$	894,828
Vested and exercisable - January 31, 2020	4,693,273		$	7.08	5.4	$	736,034
Vested and exercisable - April 30, 2020	4,635,511		$	7.11	5.2	$	718,616

Schedule of restricted stock unit activity

The following table summarizes RSU activity for the three months ended April 30, 2020:

	Shares		Weighted-Average Grant Date Fair Value per RSU
Unvested - January 31, 2020	3,281,431		$	102.30
RSUs granted	1,077,847		148.52
RSUs vested	(241,569	)	86.41
RSUs forfeited and canceled	(87,213	)	103.95
Unvested - April 30, 2020	4,030,496		$	115.58

Schedule of stock-based compensation expense recognized in consolidated statements of operations

Total stock-based compensation expense recognized in the Company’s unaudited condensed consolidated statements of operations is as follows (in thousands):

	Three Months Ended April 30,
	2020		2019
Cost of revenue—subscription	$	1,827	$	988
Cost of revenue—services	1,146		593
Sales and marketing	10,823		4,940
Research and development	11,759		4,520
General and administrative	5,012		2,968
Total stock-based compensation expense	$	30,567	$	14,009