Stock-Based Compensation |
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| Stock-Based Compensation |
12.Stock-Based Compensation Our 2021 Equity Incentive Plan (the “2021 Plan”) allows for the grant of, among other types of awards, stock options; RSUs; and PSUs. Restricted Stock and Restricted Stock Units RSU activity during the period was as follows:
The RSUs granted during the six months ended June 30, 2022 generally vest in the following installments: (i) at the first anniversary of the award date, (ii) at the second anniversary of the award date, and (iii) at the third anniversary of the award date. As of June 30, 2022, approximately $20.7 million of compensation cost related to unvested shares of restricted stock and RSUs remained to be recognized. The cost is expected to be recognized over a weighted-average period of 2.2 years. Performance-Based Restricted Stock Units During the six months ended June 30, 2022, we granted 167,228 PSUs, with a weighted average grant date fair value of $25.36, to management under the 2021 Plan. The performance criteria for the PSUs are split as follows:
The vesting and payout of the PSUs occur when the related service condition is completed, which is generally three years after the grant date regardless of the duration of the stipulated performance period. The PSUs can be paid out in either Class A common stock or cash, at our election. As of June 30, 2022, approximately $3.7 million of compensation cost related to unvested PSUs remained to be recognized. The cost is expected to be recognized over a weighted-average period of 2.5 years. The grant date fair value was determined using the Monte Carlo simulation method and is expensed ratably over the service period. Expected volatilities used in the fair value simulation were estimated using historical periods consistent with the remaining performance periods. The risk-free rate was based on the U.S. Treasury rate for a term commensurate with the expected life of the grant. We used the following assumptions to estimate the fair value of PSUs granted during the six months ended June 30, 2022:
PSU activity during the period was as follows:
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