Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Tables)

v3.25.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2025
Stockholders' Equity  
Summary of Warrant Activities

A summary of warrant activities for the six months ended June 30, 2025, is presented below:

    

    

    

Weighted Average

Remaining

Weighted Average

Contractual Life (in

Warrants

Exercise Price

years)

Outstanding as of December 31, 2024

 

1,576,919

$

14.56

 

3.14

Exercised

 

(1,674,355)

 

0.00

 

Granted

 

7,637,889

 

2.17

 

2.34

Outstanding as of June 30, 2025

 

7,540,453

$

5.25

 

2.93

Summary of Stock Option Activities

The following table summarizes stock option activities for the six months ended June 30, 2025:

    

    

    

Weighted Average

Remaining

Weighted Average

Contractual Life (in

Stock Options

Exercise Price

years)

Outstanding at December 31, 2024

 

1,521

$

4,297.50

 

2.31

Outstanding at June 30, 2025

 

1,521

$

4,297.50

 

1.81

Options vested and exercisable at June 30, 2025

 

951

$

4,297.50

 

1.81

Schedule of Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense for the three and six months ended June 30, 2025 and 2024 (in thousands):

For the three months ended June 30, 

For the six months ended June 30, 

    

2025

    

2024

    

2025

    

2024

    

General and administrative

$

45

$

51

$

94

$

98

Research and development (1)

 

 

(670)

 

(11)

 

(640)

Total stock-based compensation expense

$

45

$

(619)

$

83

$

(542)

(1) Credit reflects the forfeitures of restricted stock units and the reversal of previously incurred stock-based compensation expense.

Restricted stock award  
Stockholders' Equity  
Schedules of Restricted Stock and Restricted Stock Unit Activity

The following table summarizes restricted stock award activities for the six months ended June 30, 2025:

    

    

Weighted Average

Grant Date Fair

Number of Shares

Value

Nonvested at December 31, 2024

 

1,195

$

415.95

Vested

(475)

523.50

Nonvested at June 30, 2025

 

720

$

345.00

Restricted stock units  
Stockholders' Equity  
Schedules of Restricted Stock and Restricted Stock Unit Activity

Certain employees and consultants have been awarded restricted stock units with time-based vesting. The following table summarizes restricted stock units’ activities for the six months ended June 30, 2025:

    

    

Weighted Average

Grant Date Fair

Number of Units

Value

Nonvested at December 31, 2024

 

226

$

746.70

Forfeited

(12)

1,321.25

Vested

 

(102)

 

972.25

Nonvested at June 30, 2025

 

112

$

479.73