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Equity Plans and Stock-based Compensation (Tables)
6 Months Ended
Jul. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense
The following sets forth the total stock-based compensation expense for employee equity plans included in the Company’s condensed consolidated statements of operations:

Three Months Ended
July 31,
Six Months Ended
July 31,
2024202320242023
(in thousands)
Cost of revenue$1,526 $1,938 $2,610 $2,933 
Research and development10,731 15,847 19,033 25,353 
Sales and marketing4,463 6,757 9,905 10,926 
General and administrative2,049 10,557 8,820 19,851 
Total stock-based compensation expense$18,769 $35,099 $40,368 $59,063 
Schedule of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity
A summary of RSUs outstanding under the 2021 EIP as of July 31, 2024 and changes during the fiscal year-to-date period then ended is presented in the following table:
 Number of SharesWeighted Average Grant Date Fair Value per Share
Outstanding as of January 31, 202428,416,127 $7.35 
RSU granted22,271,093 $1.51 
RSU vested(5,231,209)$7.09 
RSU forfeited(4,428,242)$9.77 
Outstanding as of July 31, 202441,027,769 $3.95 
A summary of PRSUs outstanding under the 2021 EIP as of July 31, 2024 and changes during the fiscal year-to-date period then ended is presented in the following table:
 Number of SharesWeighted Average Grant Date Fair Value per Share
Outstanding as of January 31, 20243,147,782 $6.79 
PRSUs granted1,208,250 $1.26 
PRSU forfeited(1,170,008)$10.47 
Outstanding as of July 31, 20243,186,024 $3.34 
Schedule of Share-based Payment Arrangement, Option, Activity
A summary of options outstanding under the 2017 Plan and 2007 Plan as of July 31, 2024 and changes during the fiscal year-to-date period then ended is presented in the following table:
 Number of Stock Option AwardsWeighted Average Exercise PriceWeighted Average Remaining Contractual term (in years)Aggregate Intrinsic Value (in thousands)
Outstanding as of January 31, 202411,396,756 $0.74 4.8$13,276 
Options exercised(2,629,090)$0.58 
Options cancelled(76,860)$0.74 
Outstanding as of July 31, 20248,690,806 $0.78 2.2$12,061 
Options vested and expected to vest as of July 31, 20248,690,806 $0.78 2.2$12,061 
Exercisable as of July 31, 20248,690,806 $0.78 2.2$12,061