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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of stock option activity
The following table shows restricted stock unit (“RSU”) and stock option activity for the six months ended June 30, 2022:
Time-basedPSPLTIPTotalWeighted Average Exercise Price of OptionsWeighted Average FMV
of
RSUs
OptionsRSUsOptionsRSUsOptionsRSUs
Outstanding at December 31, 202114,695 4,195 2,354 1,488 11,671 19,343 53,746 $5.46 $49.94 
Granted200 9,270 — — 434 9,906 31.40 21.96 
Exercised options / vested RSUs(1,592)(1,299)(54)(2,671)(169)(6,251)(12,036)2.70 44.96 
Change in awards due to performance-based multiplier— — — 1,806 — — 1,806 — 33.69 
Forfeited(118)(549)— (6)— (281)(954)4.76 39.29 
Outstanding at June 30, 202213,185 11,617 2,300 619 11,502 13,245 52,468 $5.83 $40.48 
Summary of stock compensation expense The following table shows stock compensation expense for the three and six months ended June 30, 2022 and 2021:
Three months ended June 30, 2022Three months ended June 30, 2021
OptionsRSUsTotalOptionsRSUsTotal
Time Based (1)
$3,830 $26,983 $30,813 $4,034 $15,223 $19,257 
PSP (2)
13,764 13,764 — 19,090 19,090 
LTIP (2)
90,944 90,944 — 133,392 133,392 
Total$3,830 $131,691 $135,521 $4,034 $167,705 $171,739 
Six months ended June 30, 2022Six months ended June 30, 2021
OptionsRSUsTotalOptionsRSUsTotal
Time Based (1)
$7,694 $48,769 $56,463 $6,467 $29,491 $35,958 
PSP (2)
— 57,131 57,131 — 35,404 35,404 
LTIP (2)
— 209,004 209,004 — 252,220 252,220 
Total$7,694 $314,904 $322,598 $6,467 $317,115 $323,582 
(1) Time-based awards vest and are expensed over a defined service period.
(2) PSP and LTIP awards vest based on defined performance criteria and are expensed based on the probability of achieving such criteria. During the three months ended March 31, 2022, the Company recorded a cumulative catch-up adjustment of $20.7 million in additional stock-based compensation expense related to its updated expectation on achieving higher revenue targets than originally estimated for certain PSP awards which have a range of payouts.