Equity (Tables)

3 Months Ended

Apr. 30, 2022

Equity [Abstract]

Schedule of Stock Reserved For Future Issuance

The Company had shares of common stock reserved for future issuance as follows (in thousands):

	April 30, 2022	January 31, 2022
Class A and Class B common stock
Options issued and outstanding	15,797	17,146
Shares available for issuance under Equity Incentive Plans	22,996	18,248
RSUs issued and outstanding	6,473	3,280
Shares reserved for issuance to charitable organizations	1,636	1,636
2021 ESPP	4,740	3,271
Total	51,642	43,581

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The awards available for grant under the above Plans for the periods presented were as follows (in thousands):

	April 30, 2022	January 31, 2022
Available at beginning of period	18,248	4,796
Awards authorized	7,344	22,532
Options granted	—	(7,936)
RSUs granted	(3,258)	(3,290)
RSUs cancelled and forfeited	56	10
Options cancelled and forfeited	591	2,044
Options repurchased	15	92
Available at end of period	22,996	18,248

Share-based Payment Arrangement, Option, Activity

The following table summarizes options activity under our Plans, and related information:

	Number of Stock Options Outstanding (in thousands)	Weighted Average Exercise Price		Weighted Average Remaining Years	Aggregate Intrinsic value (in millions)
Balances at January 31, 2022	17,146	$	11.83	8.24	$	894.8
Options granted	—	—
Options exercised	(758)	7.26		6.10
Options cancelled	(5)	8.96		—
Options forfeited	(586)	13.30		—
Balances at April 30, 2022	15,797	$	11.99	7.96	$	567.7
Exercisable at April 30, 2022	15,797
Options vested at April 30, 2022	5,894	$	7.15	7.01	$	240.4
Options expected to vest at April 30, 2022	9,903	$	14.87	8.52	$	327.4

Schedule of Restricted Stock Units Activity

The following table summarizes the Company’s restricted stock units activity (in thousands):

	Number of Shares (1)	Weighted- Average grant date fair value
Balances at January 31, 2022	272	$	82.10
Granted	3,258	55.61
Vested	(1)	82.10
Cancelled	(56)	67.56
Forfeited	—	—
Balances at April 30, 2022	3,473	$	57.51

(1) The table above does not include 3 million RSUs issued to our founder and the CEO described below.

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following table summarizes assumptions used in estimating the fair value of the ESPP for the initial offering period using the Black-Scholes option-pricing model:

	Three Months Ended April 30,
	2022
Risk-free interest rate	0.07% - 0.47%
Volatility	38.47% - 46.61%
Expected term (in years)	0.57 - 2.07
Dividend yield	—%

Share-based Payment Arrangement, Expensed and Capitalized, Amount

The Company recognized stock-based compensation expense as follows (in thousands):

	Three Months Ended April 30,
	2022		2021
Cost of revenue	$	790	$	152
Research and development	5,036		965
Sales and marketing	7,051		1,439
General and administrative	4,594		875
Total stock-based compensation expense	$	17,471	$	3,431