Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Option Activity (Details)

v3.21.2
Stock-Based Compensation - Stock Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended 12 Months Ended
Jul. 31, 2021
USD ($)
$ / shares
shares
Jan. 31, 2021
USD ($)
$ / shares
shares
Number of stock options outstanding    
Beginning balance (in shares) | shares 46,455  
Granted (in shares) | shares 10,645  
Exercised (in shares) | shares (8,546)  
Cancelled/forfeited (in shares) | shares (1,743)  
Ending balance (in shares) | shares 46,811 46,455
Exercisable (in shares) | shares 14,012  
Vested and expected to vest (in shares) | shares 36,942  
Weighted average exercise price    
Beginning balance, weighted average exercise price (in dollars per share) | $ / shares $ 4.37  
Granted, weighted average exercise price (in dollars per share) | $ / shares 11.43  
Exercised, weighted average exercise price (in dollars per share) | $ / shares 1.95  
Cancelled/forfeited, weighted average exercise price (in dollars per share) | $ / shares 8.46  
Ending balance, weighted average exercise price (in dollars per share) | $ / shares 6.26 $ 4.37
Exercisable, weighted average exercise price (in dollars per share) | $ / shares 4.02  
Vested and expected to vest, weighted average exercise price (in dollars per share) | $ / shares $ 5.69  
Weighted average remaining contractual life 8 years 3 months 18 days 7 years 8 months 12 days
Exercisable, weighted average remaining contractual term 7 years 2 months 12 days  
Vested and expected to vest, weighted average remaining contractual term 8 years  
Aggregate intrinsic value | $ $ 612,148 $ 218,450
Exercisable, aggregate intrinsic value | $ 214,665  
Vested and expected to vest, aggregate intrinsic value | $ $ 504,410