Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.23.3
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2023
Stock-Based Compensation  
Schedule of stock-based compensation expense

    

Three Months Ended September 30, 

Nine Months Ended September 30, 

2023

    

2022

2023

    

2022

General and administrative

$

(178,915)

$

428,571

$

302,817

$

1,490,667

Research and development

 

(113,428)

 

82,041

 

(33,459)

 

613,818

Total

$

(292,343)

$

510,612

$

269,358

$

2,104,485

Schedule of stock options issued and outstanding

Weighted-

Weighted-

Average

Average

Total

    

Exercise

Remaining

Aggregate

Price Per

Contractual

Intrinsic

    

Stock Options

    

Share

    

Life (in years)

    

Value

Outstanding at December 31, 2022

365,287

$

53.27

Granted

1,875

4.34

Exercised

(125,984)

0.02

Forfeited

(44,693)

66.51

Outstanding at September 30, 2023

196,485

83.93

4.81

$

Exercisable as of September 30, 2023

151,137

$

93.71

3.82

$

Schedule of key assumptions used to estimate the fair value of the stock options granted

Nine Months Ended September 30, 

2023

    

2022

Expected term of options (years)

5.4 - 6.1

5.3 - 6.1

Expected common stock price volatility

82.3% - 85.2%

73.7% - 78.5%

Risk-free interest rate

3.5% - 4.0%

1.4% - 3.4%

Expected dividend yield

Schedule of changes in the outstanding restricted stock

Weighted-

Average Grant

Restricted Stock 

Date Fair Value 

    

Units

    

Price

Unvested as of December 31, 2022

 

$

Granted

19,823

4.00

Forfeited

 

(8,713)

 

Unvested as of September 30, 2023

 

11,110

 

4.00

Total unrecognized expense remaining

$

30,208

 

  

Weighted-average years expected to be recognized over

 

3.4