Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.21.2
STOCK-BASED COMPENSATION (Tables)
 9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
A summary of the stock option activity and related information for the Plans for the nine months ended September 30, 2021 is as follows:

A summary of the stock option activity and related information for the Plans for the nine months ended September 30, 2021 is as follows:

 

 

 

Shares

 

 

Weighted-
Average
Exercise Price

 

 

Weighted-
Average
Remaining
Contractual
Term

 

 

Aggregate
Intrinsic
Value

 

Outstanding at December 31, 2020

 

 

10,209,286

 

 

$

2.93

 

 

 

9.26

 

 

$

131,558

 

Grants

 

 

15,572,190

 

 

$

1.28

 

 

 

 

 

 

 

 

 

Exercised

 

 

—

 

 

 

 

 

 

 

 

 

 

 

 

 

Forfeitures or expirations

 

 

(1,127

)

 

 

2,032.78

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at September 30, 2021

 

 

25,780,349

 

 

$

1.84

 

 

 

9.08

 

 

$

90,655

 

Exercisable at September 30, 2021

 

 

4,949,472

 

 

$

4.46

 

 

 

8.44

 

 

$

48,057

 
The assumptions used in the valuation of stock options granted during the nine months ended September 30, 2021 and 2020 were as follows:

The assumptions used in the valuation of stock options granted during the nine months ended September 30, 2021 and 2020 were as follows:

 

 

 

Nine Months
Ended
September 30,
2021

 

 

Nine Months
Ended
September 30,
2020

 

Risk-free interest rate

 

 

0.79% to 1.63

%

 

 

0.36% to 1.25

%

Expected term of option

 

 

5.5 to 6 years

 

 

 

5.5 to 6 years

 

Expected stock price volatility

 

 

124.37% - 137.73

%

 

 

120.62 -129.29

%

Expected dividend yield

 

 

0.0

 

 

 

0.0