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Stock-Based Compensation
 6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Stock-Based Compensation
11. Stock-Based Compensation
Stock Options
The following summarizes the stock option activity for the six months ended June 30, 2024:
Number of
options
outstanding		Weighted-
average
exercise price
(Per share)		Weighted-
average
remaining
contract life
(In years)		Aggregate
intrinsic value 
(In thousands)
Outstanding as of December 31, 202397,480 $12.75 2.97$332 
Granted— — 
Exercised(12,474)9.50 
Forfeited or expired— — 
Outstanding as of June 30, 202485,006 $13.23 2.61$403 
Options vested and exercisable at June 30, 202485,006 $13.23 2.61$403 
Options vested and expected to vest as of June 30, 202485,006 $13.23 2.61$403 
As of June 30, 2024, the Company had no unrecognized compensation cost related to non-vested stock options. All outstanding stock options were fully vested prior to December 31, 2022.
Restricted Stock Units
The following summarizes the restricted stock unit (“RSU”) activity for the six months ended June 30, 2024:
Number of awards outstandingWeighted-average grant date fair value (Per share)
Nonvested RSUs as of December 31, 20235,066,159 $18.41 
Granted668,891 20.70 
Vested(1,171,450)26.37 
Forfeited(206,720)16.79 
Nonvested RSUs as of June 30, 20244,356,880 $16.69 
As of June 30, 2024, total unrecognized compensation cost related to non-vested RSUs was $60.2 million, which will be amortized over a weighted-average period of 1.93 years.
Stock-Based Compensation Expense
The Company recognized total stock-based compensation expense as follows:
Three months ended June 30,Six months ended June 30,
2024202320242023
(In thousands)
Cost of revenue$375 $204 $771 $396 
Research and development4,684 3,315 10,000 6,456 
Sales and marketing2,105 1,428 4,270 2,665 
General and administrative4,196 3,058 8,658 5,866 
Total$11,360 $8,005 $23,699 $15,383