v3.25.0.1
Stockholders' Equity and Equity Incentive Plans (Tables)
 12 Months Ended
Jan. 31, 2025
Equity [Abstract]  
Schedule of Stock by Class Reserved for Future Issuance
We have the following shares of Class A common stock reserved for future issuance:
 
As of January 31,
 20252024
Stock options outstanding2,394,918 3,314,228 
RSUs outstanding23,870,513 26,040,557 
ESPP purchase rights outstanding 2,311,567 2,086,604 
Remaining shares available for future issuance under the 2011 and 2019 plan56,022,675 50,559,254 
Remaining shares available for future issuance under the ESPP18,807,595 14,712,385 
Total shares of Class A common stock reserved103,407,268 96,713,028 
Schedule of Stock Option Activity Under Equity Incentive Plan
A summary of stock option activity under our equity incentive plan and related information is as follows:
Stock Options
 Outstanding
Stock
Options		Weighted-
Average
Exercise
Price		Weighted-
Average
Remaining
Contractual
Life (Years)		Aggregate
Intrinsic
Value
 (in thousands, except share, life and per share data)
Outstanding as of January 31, 20243,314,228 $8.21 3.9$189,921 
Exercised(908,844)$5.08 $62,063 
Canceled/forfeited/expired(10,466)$93.57 
Outstanding and Exercisable as of January 31, 20252,394,918 $9.02 2.6$187,284 
Schedule of Restricted Stock Units (RSUs) Activity Under Equity Incentive Plan
A summary of RSU activity under our equity incentive plan and related information is as follows:
RSUs
Unvested
RSUs		Weighted-Average
Grant Date Fair Value Per Share
Unvested as of January 31, 202426,040,557 $83.14 
Granted13,811,816 $67.30 
Vested(12,095,006)$85.54 
Forfeited(3,886,854)$78.72 
Unvested as of January 31, 202523,870,513 $73.48 
Schedule of Assumptions for Estimating Fair Value of ESPP Purchase Rights
We estimated the fair value of ESPP purchase rights using a Black-Scholes option-pricing model with the following assumptions:
Year Ended January 31,
202520242023
Expected term (years)
0.5 - 2.0
0.5 - 2.0
0.5 - 2.0
Expected volatility
28.4% - 43.3%
30.0% - 57.6%
57.6% - 64.6%
Risk-free interest rate
4.2% - 5.4%
4.6% - 5.4%
2.2% - 4.8%
Expected dividend yield———
Schedule of Stock-based Compensation Expense
The stock-based compensation expense by line item in the accompanying consolidated statements of operations is summarized as follows:
Year Ended January 31,
202520242023
(in thousands)
Cost of revenue$124,561 $143,798 $174,546 
Research and development333,767 336,309 361,720 
Sales and marketing319,631 381,298 532,371 
General and administrative153,350 195,756 217,115 
Total stock-based compensation expense931,309 1,057,161 1,285,752 
Benefit from income taxes(176,463)(197,068)(199,971)
Total stock-based compensation expense recorded to net income$754,846 $860,093 $1,085,781