Stock-Based Awards (Tables)

9 Months Ended

Jun. 30, 2022

Summary of Stock Option Activity Including Performance Based Options

The following table summarizes stock option activity, including performance-based options, for the year-to-date period ending June 30, 2022:

	Shares Issuable Under Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
	(in thousands)					(in years)		(in thousands)
Outstanding as of September 30, 2021		3,852		$	48.61		6.4	$	49,173
Granted		764			71.97
Exercised		(447	)		41.05
Forfeited		(149	)		67.64
Outstanding as of June 30, 2022		4,020		$	53.19		6.2	$	19,959
Options vested and expected to vest as of    June 30, 2022		4,020		$	53.19		6.2	$	19,959
Options exercisable as of June 30, 2022		2,543		$	48.94		5.0	$	18,230

Summary of Restricted Stock Unit Activity

The following table summarizes the restricted stock unit activity for the year-to-date period ending June 30, 2022:

	Restricted Stock Units			Weighted Average Grant Date Fair Value
	(in thousands, except per share data)
Unvested at September 30, 2021		117		$	43.57
Granted		138			75.33
Vested		(29	)		43.57
Cancelled		(25	)		59.86
Unvested at June 30, 2022		201		$	63.29

Stock-Based Compensation Expense

During the three and nine months ended June 30, 2022 and 2021 the Company recognized the following stock-based compensation expense:

	Three Months Ended				Nine Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
	(in thousands)
Research and development	$	2,202	$	2,569	$	7,496	$	7,525
General and administrative		5,401		2,906		12,640		8,113
	$	7,603	$	5,475	$	20,136	$	15,638

	Three Months Ended				Nine Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
	(in thousands)
Stock options	$	5,079	$	4,555	$	14,790	$	13,418
Performance stock units		1,559		198		1,930		198
rTSRUs		207		405		1,171		1,126
Restricted stock units		758		317		2,245		896
	$	7,603	$	5,475	$	20,136	$	15,638

Performance Share Units and Relative Total Stockholder Return Units [Member]

Summary of PSUs and rTSRUs Activity

The following table summarizes PSU and rTSRU activity for the year-to-date period ending June 30, 2022:

	PSUs					rTSRUs
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
	(in thousands, except per share data)
Unvested at September 30, 2021		111		$	49.31		111		$	31.26
Granted		33			77.39		33			54.80
Vested		(5	)		61.59		(18	)		40.13
Cancelled		(41	)		39.55		(28	)		18.62
Unvested at June 30, 2022		98		$	53.95		98		$	35.57