v3.20.2
Stock-Based Compensation (Tables)
 6 Months Ended
Jul. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of stock option activity
The following table is a summary of stock option activity for the six months ended July 31, 2020:
Number of
Shares		Weighted-Average
Exercise Price
Per Share
(in thousands)
Options outstanding at January 31, 202014,689 $5.52 
Granted60 $93.90 
Exercised(4,689)$3.54 
Canceled(189)$8.49 
Options outstanding at July 31, 20209,871 $6.94 
Options vested and expected to vest at July 31, 20209,871 $6.94 
Options exercisable at July 31, 20204,794 $4.09 
Schedule of restricted stock units
The following table is a summary of RSU and PSU activities for the six months ended July 31, 2020:
Number of
Shares		Weighted-
Average Grant
Date Fair Value
Per Share
(in thousands)
RSUs and PSUs outstanding at January 31, 20206,063 $29.82 
Granted3,427 $63.98 
Vested(992)$30.94 
Forfeited(187)$32.39 
RSUs and PSUs outstanding at July 31, 20208,311 $43.71 
RSUs and PSUs expected to vest at July 31, 20208,311 $43.71 
Schedule of stock-based compensation expense
Stock-based compensation expense included in the condensed consolidated statements of operations is as follows:
Three Months Ended July 31,Six Months Ended July 31,
2020201920202019
(in thousands)(in thousands)
Subscription cost of revenue$2,635 $1,233 $4,630 $1,498 
Professional services cost of revenue1,425 644 2,396 747 
Sales and marketing13,603 6,638 22,290 8,156 
Research and development9,029 4,976 13,929 5,657 
General and administrative11,021 16,368 18,106 17,553 
Total stock-based compensation expense$37,713 $29,859 $61,351 $33,611 
Employee Stock Purchase Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of assumptions used to estimate fair value on date of grant
Six Months Ended
July 31,
20202019
Expected term (in years)
0.5 - 2.0
0.5 - 2.0
Risk-free interest rate
0.2% - 2.0%
1.9% - 2.2%
Expected stock price volatility
30.1% - 54.3%
33.0% - 35.7%
Dividend yield— %— %
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of assumptions used to estimate fair value on date of grant
The fair value of each option was estimated on the date of grant using the following assumptions during the period:
Six Months Ended
July 31,
20202019
Expected term (in years)6.056.05
Risk-free interest rate0.4 %
 2.0%
Expected stock price volatility36.0 %
 37.7%
Dividend yield— %— %