v3.22.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Jan. 31, 2022
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The fair value of each option was estimated on the date of grant using the following assumptions during the period:
Year Ended January 31,
202220212020
Expected term (in years)
3.82 – 5.63
3.17 – 6.05
6.05
Risk-free interest rate
0.6% – 1.0%
0.2% – 0.4%
2.0% – 2.4%
Expected stock price volatility
36.1% – 37.1%
35.8% – 37.3%
37.7% – 37.9%
Dividend yield— %— %— %
The following table summarizes the assumptions used in the Black-Scholes option-pricing model to determine fair value of the Company’s common shares to be issued under the ESPP for the offering periods beginning in June 2019:
Year Ended January 31,
202220212020
Expected term (in years)
0.5 – 2.0
0.5 – 2.0
0.5 – 2.0
Risk-free interest rate
0.0% – 1.9%
0.1% – 2.0%
1.6% – 2.2%
Expected stock price volatility
33.0% – 55.9%
30.1% – 54.3%
30.1% – 35.7%
Dividend yield— %
—%
— %
Share-based Payment Arrangement, Option, Activity The following table is a summary of stock option activity for the fiscal year ended January 31, 2022:
Number of
Shares		Weighted-
Average
Exercise Price
Per Share
(in thousands)
Options outstanding at January 31, 20216,646 $8.24 
Granted93 $3.19 
Exercised(2,598)$6.12 
Canceled(203)$28.42 
Options outstanding at January 31, 20223,938 $8.48 
Options vested and expected to vest at January 31, 20223,938 $8.48 
Options exercisable at January 31, 20222,767 $6.99 
Share-based Payment Arrangement, Restricted Stock Unit, Activity The following table is a summary of RSUs, PSUs and the Special PSU Awards activities for the fiscal year ended January 31, 2022:
Number of
Shares		Weighted-Average
Grant Date
Fair Value
Per Share
(in thousands)
RSUs and PSUs outstanding at January 31, 20218,449 $59.27 
Granted3,387 $224.19 
Released(3,408)$62.62 
Performance adjustment(1)
153 $58.15 
Forfeited(695)$99.78 
RSUs and PSUs outstanding at January 31, 20227,886 $125.04 
RSUs and PSUs expected to vest at January 31, 20227,886 $125.04 
___________________________(1)    Performance adjustment represents adjustments in shares outstanding due to the actual achievement of performance-based awards, the achievement of which was based upon predefined financial performance targets.
Share-based Payment Arrangement, Expensed and Capitalized, Amount Stock-based compensation expense included in the consolidated statements of operations is as follows (in thousands):
 Year Ended January 31,
 202220212020
Subscription cost of revenue$22,044 $11,705 $5,226 
Professional services cost of revenue10,050 6,005 2,486 
Sales and marketing89,634 50,557 23,919 
Research and development102,027 40,274 15,403 
General and administrative86,197 41,134 32,906 
Total stock-based compensation expense$309,952 $149,675 $79,940