v3.22.2.2
Stock-Based Compensation (Tables)
 12 Months Ended
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Awards Outstanding
The following table presents a summary of awards outstanding:
As of September 30, 2022
2004 Plan2013 Plan2021 PlanTotal
Granted and outstanding awards:
Options175,083 2,543,301 3,000 2,721,384 
Restricted stock units— 3,145,886 923,545 4,069,431 
Total175,083 5,689,187 926,545 6,790,815 
Summarized Information about Stock Options
The following table presents a summary of the stock option activity for the year ended September 30, 2022:
SharesWeighted-
Average
Exercise
Price
Per Share		Weighted-
Average
Remaining
Contractual
Term (Years)		Aggregate
Intrinsic
Value
Outstanding at September 30, 20213,456,239 $19.60 
Granted— — 
Cancelled or expired(128,635)47.73 
Exercised(606,220)8.55 
Outstanding at September 30, 20222,721,384 $20.73 4.9$48,114,746 
Exercisable at September 30, 20222,351,641 $16.93 4.5$46,889,825 
Assumptions Used to Value Stock Options
The following table provides the assumptions used in the calculation of grant-date fair values of these stock options based on the Black-Scholes option pricing model:
Year Ended September 30,
2022(5)
20212020
Expected dividend yield(1)
— — — 
Risk-free interest rate(2)
N/A
0.4 – 1.1%
0.40 – 1.8%
Expected volatility(3)
N/A
86.2 – 90.4%
90.0 – 92.0%
Expected term (in years)(4)
N/A6.256.25
Weighted-average grant date fair value per shareN/A$48.64 $36.35 
(1) The dividend yield is zero as the Company currently does not pay a dividend.
(2) The risk-free interest rate is based on that of the U.S. Treasury yields with equivalent terms in effect at the time of the grant..
(3) Volatility is estimated based on volatility average of the Company’s common stock price.
(4) The expected term represents the period of time that stock options granted are expected to be outstanding, by using historical exercise patterns and post-vesting termination behavior.
(5) No options were granted during the year ended September 30, 2022.
Summary of Share Activity Related to RSUs
The following table summarizes the activity of the Company’s RSUs:
Number of
RSUs		Weighted-
Average
Grant
Date
Fair Value
Outstanding as of September 30, 20213,831,850 $61.24 
Granted1,396,170 57.18 
Vested(1,027,088)49.88 
Forfeited(131,501)64.44 
Outstanding as of September 30, 20224,069,431 $62.96