XML 103 R32.htm IDEA: XBRL DOCUMENT v3.20.1
Equity Incentive Plans (Tables)
 12 Months Ended
Apr. 30, 2020
Share-based Payment Arrangement [Abstract]  
Summary of Equity Awards Available for Grant
The equity awards available for grant for the periods presented were as follows: 
Year Ended April 30,
20202019
Available at beginning of fiscal year9,649,123  2,061,282  
Awards authorized3,683,754  12,000,000  
Options granted(172,031) (4,722,404) 
Options cancelled1,181,482  976,130  
Options repurchased—  43,630  
RSUs granted(2,101,271) (732,701) 
RSUs cancelled216,208  23,186  
RSAs repurchased4,585  —  
Available at end of period12,461,850  9,649,123  
Summary of Stock Option Activity
The following table summarizes stock option activity (in thousands, except share and per share data):
Stock Options Outstanding
Number of
Stock Options
Outstanding
Weighted-
Average
Exercise
Price
Remaining
Contractual
Term
(in years)
Aggregate
Intrinsic
Value
Balance as of April 30, 201822,237,484  $8.65  8.31$98,365  
Stock options granted4,722,404  $23.27  
Stock options exercised(3,117,320) $5.95  
Stock options cancelled(976,130) $11.78  
Balance as of April 30, 201922,866,438  $11.90  7.98$1,684,106  
Stock options granted172,031  $81.39  
Stock options assumed in acquisition245,390  $48.99  
Stock options exercised(6,815,098) $9.01  
Stock options cancelled(1,181,482) $15.81  
Stock options assumed in acquisition cancelled(26,773) $71.35  
Balance as of April 30, 202015,260,506  $14.17  7.27$767,795  
Exercisable as of April 30, 20208,007,248  $11.29  6.80$424,133  
Summary of RSA Activity
The following table summarizes RSA activity for the 2012 Plan:
Number of Awards
Weighted-
Average
Grant Date
Fair Value
Outstanding at April 30, 2018244,498  $11.46  
RSAs subscribed(244,498) $11.46  
Outstanding at April 30, 2019—  
Outstanding at April 30, 2020—  
Summary of RSU Activity
The following table summarizes RSU activity for the 2012 Plan:
Number of AwardsWeighted-Average Grant Date Fair Value
Outstanding and unvested at April 30, 201857,000  $13.07  
RSUs granted732,701  $64.55  
RSUs released(26,048) $14.84  
RSUs cancelled(23,186) $59.93  
Outstanding and unvested at April 30, 2019740,467  $62.48  
RSUs granted2,101,271  $68.25  
RSUs released(153,438) $72.55  
RSUs cancelled(216,208) $62.25  
Outstanding and unvested at April 30, 20202,472,092  $66.78  
Assumptions Used to Estimated Fair Value of Stock Options Granted
The fair value of stock options granted and assumed was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:
Year Ended April 30,
202020192018
Expected term (in years)
2.00 - 7.27
6.02 - 6.08
6.02 - 6.08
Expected stock price volatility54.8%
40.5% - 46.7%
40.7% - 44.1%
Risk-free interest rate
1.4% - 2.0%
2.4% - 3.1%
1.8% - 2.6%
Dividend yield0%0%0%
Summary of Stock-based Compensation Expense Related to Tender Offer Included in Consolidated Statement of Operations
Total stock-based compensation expense recognized in the Company’s consolidated statements of operations was as follows (in thousands):
Year Ended April 30,
202020192018
Cost of revenue—cost of subscription—self-managed and SaaS$4,147  $3,383  $699  
Cost of revenue—professional services2,980  1,208  329  
Research and development23,621  16,100  5,045  
Sales and marketing19,334  11,996  3,560  
General and administrative9,925  7,255  3,109  
Total stock-based compensation expense$60,007  $39,942  $12,742