v3.26.1
Equity Plans and Stock-based Compensation (Tables)
 12 Months Ended
Jan. 31, 2026
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 consolidated statements of operations:
Year Ended January 31,
202620252024
(in thousands)
Cost of revenue$4,702 $5,102 $6,154 
Research and development31,161 37,050 50,935 
Sales and marketing11,058 15,875 22,934 
General and administrative17,773 17,624 37,314 
Total stock-based compensation expense$64,694 $75,651 $117,337 
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity
The 2021 EIP provides for the issuance of RSUs to employees and directors. A summary of activity of RSUs under the 2021 EIP at January 31, 2026 and changes during the periods then ended is presented in the following table, adjusted on a retroactive basis to reflect the Reverse Stock Split as discussed in Note 1, Description of Business and Basis of Presentation:
 Number of SharesWeighted Average Grant Date Fair Value per Share
Outstanding as of January 31, 20251,827,940 $57.32 
RSU granted1,971,733 $12.42 
RSU vested(1,145,673)$49.95 
RSU forfeited(458,703)$29.92 
Outstanding as of January 31, 20262,195,297 $26.56 
A summary of activity of PRSUs under the 2021 EIP at January 31, 2026 and changes during the periods then ended is presented in the following table, adjusted on a retroactive basis to reflect the Reverse Stock Split as discussed in Note 1, Description of Business and Basis of Presentation:
 Number of SharesWeighted Average Grant Date Fair Value per Share
Outstanding as of January 31, 2025186,646 $47.75 
PRSU granted348,187 $12.52 
PRSU forfeited(89,900)$32.70 
Outstanding as of January 31, 2026444,933 $23.22 
Share-based Payment Arrangement, Option, Activity A summary of option activity under the 2017 and 2007 Plans at January 31, 2026 and changes during the periods then ended is presented in the following table, adjusted on a retroactive basis to reflect the Reverse Stock Split as discussed in Note 1, Description of Business and Basis of Presentation:
Number of
Stock Option
Awards		Weighted
Average
Exercise Price		Weighted
Average
Remaining Contractual term
(in years)		Aggregate
Intrinsic Value
(in thousands)
Outstanding as of January 31, 2025
135,179 $15.34 3.9$528 
Exercised(4,004)$11.95 
Cancelled(12,419)$14.90 
Outstanding as of January 31, 2026
118,756 $15.51 3.1$— 
Options vested and expected to vest as of January 31, 2026
118,756 $15.51 3.1$— 
Exercisable as of January 31, 2026
118,756 $15.51 3.1$— 
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions
The weighted-average assumptions in the Black-Scholes option-pricing models used to determine the fair value of ESPP rights granted during the year ended January 31, 2026, 2025 and 2024 were as follows:

Year Ended January 31,
202620252024
Expected volatility
78.8% - 97.8%
83.2% - 100.3%
62.3% - 70.8%
Risk-free interest rate
3.5% - 5.2%
3.5% - 5.2%
4.5% - 5.4%
Dividend rate0.0%0.0%0.0%
Expected term (in years)
0.5 - 2.0
0.5 - 2.0
0.5 - 2.0
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The weighted-average assumptions in the Monte Carlo valuation model used to determine the fair value of PRSUs granted during the year ended January 31, 2025, and 2024 were as follows:
Year Ended January 31,
20252024
Expected volatility
81.7% - 84.8%
68.4% - 82.4%
Risk-free interest rate
3.6% - 4.3%
4.0% - 4.3%
Dividend rate0.0%0.0%
Expected term (in years)
1.1 - 3.1
0.9 - 3.1