Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.23.1
STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2023
STOCK-BASED COMPENSATION  
Summary of amounts charged to expense for stock-based compensation related to employee and director stock option grants

Three Months Ended

March 31, 

    

2023

    

2022

Employee and director stock option grants:

 

  

 

  

Research and development

$

66,195

$

41,928

General and administrative

 

342,011

 

261,877

Total stock-based compensation

$

408,206

$

303,805

Summary of stock options activity

Weighted

Number of

Average

Shares Issuable

Remaining

Upon Exercise

Weighted

Contracted

Aggregate

of Outstanding

Average

Term in

Intrinsic

    

Options

    

Exercise Price

    

Years

    

Value

Outstanding at December 31, 2022

 

746,257

$

13.48

$

Granted

 

732,500

$

1.68

Forfeited

(1)

$

14,800

Outstanding at March 31, 2023

1,478,756

$

7.59

9.06

$

Exercisable March 31, 2023

 

370,959

$

20.06

7.74

$

Unvested, March 31, 2023

 

1,107,797

$

3.42

9.51

$