XML 46 R37.htm IDEA: XBRL DOCUMENT v3.22.1
Employee Benefits and Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Share-Based Compensation Expense
The following table sets forth the total share-based compensation expense recognized in the Company’s Condensed Consolidated Statements of Operations for the three months ended March 31, 2022 and 2021:
Three Months Ended March 31,
20222021
(In thousands)
Cost of product and service revenues$2,244 $1,937 
Research and development2,264 1,700 
Selling, general, and administrative11,700 8,135 
Total share-based compensation expense$16,208 $11,772 
Assumptions Used to Value ESPP Shares
The following assumptions were used to value shares under the ESPP for the three months ended March 31, 2022 and 2021:
Three Months Ended March 31,
20222021
Expected life, years
0.5 - 2.0
0.5 - 2.0
Expected volatility, %
28.8% - 45.6%
27.4% - 53.5%
Risk-free interest rate, %
0.1% - 1.5%
0.1% - 2.6%
Dividend yield, % — %— %
Assumptions Used to Value Stock Options Granted
The following assumptions were used to value stock options granted pursuant to the Company’s 2009 Equity Incentive Plan, as amended, (the “2009 Plan”) for the three months ended March 31, 2021. There were no stock options granted during the three months ended March 31, 2022.
Three Months Ended March 31,
2021
Expected life, years 4.9
Expected volatility, % 30.1 %
Risk-free interest rate, % 0.6 %
Estimated forfeiture rate, %7.9 %
Dividend yield, % — %
Summary of Share Option Activity
The following table summarizes the stock option activity during the three months ended March 31, 2022:
Number of
Shares
Weighted-Average
Exercise Price
Weighted-Average
Remaining Years
Aggregate
Intrinsic Value
(In thousands, except per share data)
Outstanding at December 31, 20212,954 $67.35 6.9$334,119 
Granted— — 
Exercised(141)51.47 
Expired(1)68.74 
Forfeited(33)80.32 
Outstanding at March 31, 20222,779 $68.00 6.8$171,505 
Exercisable at March 31, 20221,699 $58.65 6.0$120,394 
Vested and expected to vest at March 31, 2022 and thereafter2,683 $67.36 6.7$167,177 
Summary of Restricted Stock Unit Activity
The following table summarizes the RSU activity under the 2009 Plan during the three months ended March 31, 2022:
Number of
Shares
Weighted-Average
Grant Date Fair Value
Weighted-Average
Remaining Years
Aggregate
Intrinsic Value
(In thousands, except per share data)
Outstanding at December 31, 2021763 $119.93 1.6$137,696 
Granted (Awarded)150 147.90 
Vested (Released)(43)84.74 
Forfeited(26)119.49 
Outstanding and unvested at March 31, 2022844 $126.70 1.6$109,317 
Summary of Restricted Stock Awards Activity
The following table summarizes the RSA activity under the 2009 Plan during the three months ended March 31, 2022:
Number of
Shares
Weighted-Average
Grant Date Fair Value
(In thousands, except per share data)
Outstanding at December 31, 202111 $137.36 
Granted (Awarded)— — 
Vested (Released)— — 
Outstanding and unvested at March 31, 202211 $137.36 
Summary of Performance-Based Restricted Stock Activity
The following table summarizes the PSU activity under the 2009 Plan during the three months ended March 31, 2022:
Number of
Shares
Weighted-Average
Grant Date Fair Value Per Unit
(In thousands, except per share data)
Outstanding at December 31, 2021144 $118.71 
Granted75 156.82 
Additional granted based on performance achievement51 156.79 
Vested(57)119.09 
Forfeited(1)178.81 
Outstanding and unvested at March 31, 2022212 $141.05 
Ordinary Shares Reserved for Future Issuance Under Equity Incentive Plans
The Company had the following ordinary shares reserved for future issuance under its equity incentive plans as of March 31, 2022:
Number of Shares
(In thousands)
Share options outstanding2,779 
Non-vested restricted stock awards1,067 
Shares authorized for future issuance1,154 
ESPP shares available for future issuance744 
Total shares reserved for future issuance5,744