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 April 30,
		2024		2023
		(in thousands)
Cost of revenue		$	1,084	$	996
Research and development		8,303		9,506
Sales and marketing		5,441		4,169
General and administrative		6,771		9,293
Total stock-based compensation expense		$	21,599	$	23,964

As of April 30, 2024, the Company had unrecognized stock-based compensation expense related to stock options, RSUs and PRSUs (as defined below), and 2021 ESPP (as defined below) of $142.9 million, which is expected to be recognized over a weighted-average period of 2.4 years.

The 2021 Employee Stock Purchase Plan (“2021 ESPP”) permits participants to purchase shares of the Company’s Common Stock at a discounted price through payroll deductions. As of April 30, 2024, 15,498,912 shares of Common Stock were available under the 2021 ESPP.

The 2021 Equity Incentive Plan (“2021 EIP”) allows the Company to grant stock options, stock appreciation rights, restricted stock units (“RSUs”), performance restricted stock units (“PRSUs”), and certain other awards. As of April 30, 2024, 56,785,985 shares of Common Stock were available under the 2021 EIP.

A summary of RSUs outstanding under the 2021 EIP as of April 30, 2024 and changes during the fiscal year-to-date period then ended is presented in the following table:


	Number of Shares	Weighted Average Grant Date Fair Value per Share
Outstanding as of January 31, 2024	28,416,127	$	7.35
RSU granted	1,454,225	$	2.08
RSU vested	(1,429,392)	$	11.56
RSU forfeited	(2,715,466)	$	10.15
Outstanding as of April 30, 2024	25,725,494	$	6.52

A summary of PRSUs outstanding under the 2021 EIP as of April 30, 2024 and changes during the fiscal year-to-date period then ended is presented in the following table:


	Number of Shares	Weighted Average Grant Date Fair Value per Share
Outstanding as of January 31, 2024	3,147,782	$	6.79


PRSU forfeited	(95,510)	$	10.47
Outstanding as of April 30, 2024	3,052,272	$	6.67

In fiscal year 2022, the Company terminated its 2017 Stock Option Plan (the “2017 Plan”) and 2007 Stock Option Plan (the “2007 Plan”).

A summary of options outstanding under the 2017 Plan and 2007 Plan as of April 30, 2024 and changes during the fiscal year-to-date period then ended is presented in the following table:


	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, 2024	11,396,756	$	0.74	4.8	$	13,276
Options exercised	(733,987)	$	0.68
Options cancelled	(34,292)	$	0.75

Outstanding as of April 30, 2024	10,628,477	$	0.74	4.1	$	6,283
Options vested and expected to vest as of April 30, 2024	10,628,477	$	0.74	4.1	$	6,283
Exercisable as of April 30, 2024	10,627,504	$	0.74	4.1	$	6,283