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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2022
Stock-Based Compensation  
Summary of the restricted stock awards activity

The following table presents restricted stock activity during the nine months ended September 30, 2022:

​

​

​

​

​

Number of

​

​

Unvested

​

​

Restricted Stock

​

​

Shares

Outstanding, beginning of period

​

4,325,124

Granted

​

836,388

Vested

​

(1,671,123)

Forfeited

​

(168,332)

Outstanding, end of period(1)

​

3,322,057

(1)The total outstanding unvested shares of restricted stock awards granted to employees and directors are included in total outstanding shares as of September 30, 2022.