Stock-Based Compensation (Tables)

The components of stock-based compensation expense recognized in the condensed consolidated statements of operations consisted of the following (in thousands):


	Three Months Ended July 31,				Six Months Ended July 31,
	2023		2022		2023		2022
Cost of revenue	$	4,068	$	2,399	$	8,241	$	4,247
Research and development	15,452		13,495		30,242		23,958
Sales and marketing	13,681		9,715		26,277		16,811
General and administrative	20,705		15,392		44,695		27,615
Restructuring	(1,060)		—		(1,060)		—
Total	$	52,846	$	41,001	$	108,395	$	72,631

A summary of our restricted stock unit (RSU) activity is as follows:


	Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding as of January 31, 2023	14,409,166	$	27.37
Granted	17,082,796	16.40
Released	(2,491,451)	28.34
Forfeited	(1,955,209)	22.58
Outstanding as of July 31, 2023	27,045,302	$	20.70

A summary of our stock option activity is as follows:


	Number of Options	Weighted-Average Exercise Price
Outstanding as of January 31, 2023	32,446,814	$	4.71

Exercised	(5,074,687)	$	2.73
Forfeited	(531,038)	$	5.56
Outstanding as of July 31, 2023	26,841,089	$	5.07
Expected to vest as of July 31, 2023	26,841,089	$	5.07
Vested and exercisable as of July 31, 2023	18,151,473	$	3.91