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STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2022
STOCK-BASED COMPENSATION  
Schedule of options to purchase shares of common stock activity under our equity incentive plans

Options

Outstanding at December 31, 2021

 

44,940,169

Granted

 

Exercised

 

(1,935,844)

Expired

 

Forfeited

 

(763,984)

Outstanding at March 31, 2022

42,240,341

Exercisable at March 31, 2022

31,023,032

Schedule of RSUs activity

The following table summarizes the RSUs activity under our equity incentive plans as of March 31, 2022:

    

Units

Outstanding December 31, 2021

 

9,725,027

Awarded

 

12,626,426

Vested

 

(276,366)

Forfeited

 

(377,996)

Outstanding March 31, 2022

 

21,697,091

Schedule of stock-based compensation expense

Three Months Ended

    

March 31, 

    

2022

    

2021

Other operating expenses

$

2,937

$

1,199

Research and development expenses

 

2,144

 

899

Sales and marketing expenses

 

3,700

 

1,040

General and administrative expenses

 

4,127

 

1,159

Total stock-based compensation

$

12,908

$

4,297