Equity Incentive Plans and Employee Stock Purchase Plan (Tables)

6 Months Ended

Jul. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

The following table summarizes stock option activity for the six months ended July 31, 2018 (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, 2018	12,637,435		$	7.63	7.72	$	246,227
Stock options granted	—		—
Stock options exercised	(1,191,587	)	6.78
Stock options forfeited and expired	(519,506	)	8.25
Balance - July 31, 2018	10,926,342		7.69		7.22	507,216
Vested and exercisable - January 31, 2018	5,540,858		6.33		6.63	115,122
Vested and exercisable - July 31, 2018	5,948,032		$	6.62	6.42	$	282,477

Schedule of restricted stock unit activity

The following table summarizes RSU activity for the six months ended July 31, 2018:



	Shares		Weighted-Average Grant Date Fair Value per RSU
Unvested - January 31, 2018	245,746		$	26.20
RSUs granted	1,351,332		41.38
RSUs vested	(75,603	)	50.34
RSUs forfeited and canceled	(30,327	)	34.96
Unvested - July 31, 2018	1,491,148		$	38.56

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

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



	Three Months Ended July 31,				Six Months Ended July 31,
	2018		2017		2018		2017
Cost of revenue—subscription		$489		$170	$	848	$	321
Cost of revenue—services	281		98		465		170
Sales and marketing	2,129		1,482		4,347		2,697
Research and development	2,904		1,322		5,110		2,567
General and administrative	3,206		1,845		5,816		3,616
Total stock-based compensation expense	$	9,009	$	4,917	$	16,586	$	9,371