Share-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2021

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Activity

Activity for stock options for the three months ended June 30, 2021 is as follows:

	Number of Options
Options outstanding at March 31, 2021	8,293,331
Granted	892,157
Exercised	(436,573)
Forfeited	(135,909)
Options outstanding at June 30, 2021	8,613,006
Options vested and expected to vest at June 30, 2021	8,613,006
Options exercisable at June 30, 2021	5,308,419

Summary of Restricted Share Awards and Restricted Stock Units Activity

Activity for restricted stock units and performance stock units for the three months ended June 30, 2021 is as follows:

	Number of Shares
Unvested balance at March 31, 2021	3,571,235
Granted	2,343,086
Vested	(540,760)
Forfeited	(238,678)
Unvested balance at June 30, 2021	5,134,883
Vested and unreleased	35,559
Outstanding balance at June 30, 2021	5,170,442

Schedule of Share-based Compensation

Share-based compensation was as follows (in thousands):

	Three Months Ended June 30,
	2021		2020
Share-based compensation recognized as:
R&D expense	$	3,957	$	4,024
SG&A expense	7,155		3,788
Capitalized under inventory	150		—
Total	$	11,262	$	7,812