Share-Based Compensation (Tables)

9 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Activity

A summary of stock option activity under the Company’s 2016 Plan is as follows:

	Number of Options
Options outstanding at March 31, 2019	5,396,465
Granted	2,768,700
Exercised	(80,548	)
Forfeited	(340,360	)
Options outstanding at December 31, 2019	7,744,257
Options vested and expected to vest at December 31, 2019	7,744,257
Vested options subject to one-year exercise restriction period beginning on August 26, 2019	735,428
Options exercisable at December 31, 2019	2,857,183

Summary of Restricted Share Awards and Restricted Stock Units Activity

A summary of restricted stock award and restricted stock unit activity under the Company’s 2016 Plan is as follows:

	Number of Shares
Unvested balance at March 31, 2019	956,066
Granted	724,554
Vested	(221,781	)
Forfeited	(69,973	)
Unvested balance at December 31, 2019	1,388,866

Schedule of Share-based Compensation

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

	Three Months Ended December 31,
	2019		2018
Share-based compensation expense recognized as:
R&D expenses	$	5,399	$	1,840
G&A expenses	14,396		2,954
Total	$	19,795	$	4,794

	Nine Months Ended December 31,
	2019		2018
Share-based compensation expense recognized as:
R&D expenses	$	11,565	$	5,247
G&A expenses	22,613		8,516
Total	$	34,178	$	13,763