Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

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STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of restricted stock award and unit activity
The following tables summarizes activity for the three months ended March 31, 2024 and 2023:
Number of
Unvested
Restricted Stock Units		 Weighted
Average
Grant Date
Fair Value		 Number of
Unvested
Performance Vesting Restricted Stock Units		 Weighted
Average
Grant Date
Fair Value
Unvested shares as of January 1, 2024 193,602  $ 83.89  255,578  $ 54.40 
Granted 69,436  152.54  58,346  156.00 
Vested (17,720) 75.96  —  — 
Forfeited/canceled (747) 99.88  —  — 
Unvested shares as of March 31, 2024 244,571  $ 103.91  313,924  $ 73.28 
Number of
Unvested
Restricted Stock Units		 Weighted
Average
Grant Date
Fair Value		 Number of
Unvested
Performance Vesting Restricted Stock Units		 Weighted
Average
Grant Date
Fair Value
Unvested shares as of January 1, 2023 197,772  $ 77.49  190,804  $ 52.15 
Granted 43,415  77.84  68,726  56.57 
Vested (11,608) 70.86  —  — 
Forfeited/canceled (971) 87.68  (5,069) 47.67 
Unvested shares as of March 31, 2023 228,608  $ 77.85  254,461  $ 53.43 
Schedule of Grant Date Fair Value of Awards Granted
The table below summarizes the assumptions used in the Monte Carlo simulation to determine the grant date fair value of awards granted during the three months ended March 31, 2024 and March 31, 2023:
Grant date January 24, 2023 March 3, 2023 March 1, 2024
Forecast period (years) 3 3 3
Risk-free interest rates 3.88% 4.64% 4.36%
Implied equity volatility 87.2% 86.4% 46.70%
Stock price on the date of grant $72.99 $82.20 $142.00