v3.24.0.1
Stockholders' Equity and Equity Incentive Plans (Tables)
 12 Months Ended
Jan. 31, 2024
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,
 20242023
Stock options outstanding3,314,228 4,800,616 
RSUs outstanding26,040,557 21,868,533 
ESPP purchase rights outstanding 2,086,604 2,851,856 
Remaining shares available for future issuance under the 2011 and 2019 plan50,559,254 51,367,359 
Remaining shares available for future issuance under the ESPP14,712,385 11,930,797 
Total shares of Class A common stock reserved96,713,028 92,819,161 
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, 20234,800,616 $8.22 4.9$322,929 
Exercised(1,464,158)$6.96 $90,039 
Canceled/forfeited/expired(22,230)$92.95 
Outstanding and Exercisable as of January 31, 20243,314,228 $8.21 3.9$189,921 
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, 202321,868,533 $109.31 
Granted19,864,395 $69.27 
Vested(11,349,453)$102.87 
Forfeited(4,342,918)$99.98 
Unvested as of January 31, 202426,040,557 $83.14 
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,
202420232022
Expected term (years)
0.5 - 2.0
0.5 - 2.0
0.5 - 2.1
Expected volatility
30.0% - 57.6%
57.6% - 64.6%
40.3% - 75.0%
Risk-free interest rate
4.6% - 5.4%
2.2% - 4.8%
0.0% - 2.5%
Expected dividend yield———
Schedule of Stock-based Compensation Expense by Line Item
The stock-based compensation expense by line item in the accompanying consolidated statements of operations is summarized as follows:
Year Ended January 31,
202420232022
(in thousands)
Cost of revenue$143,798 $174,546 $69,612 
Research and development336,309 361,720 113,000 
Sales and marketing381,298 532,371 229,297 
General and administrative195,756 217,115 65,378 
Total stock-based compensation expense1,057,161 1,285,752 477,287 
Benefit from income taxes(197,068)(199,971)(84,245)
Total stock-based compensation expense recorded to net income$860,093 $1,085,781 $393,042