Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.24.3
Stock-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation Arrangements by Share-based Payment Award
Tenth Pre-Paid Advance
Initial July Prepaid Advance
First Supplemental Advance
Stock price $ 0.98  $ 0.98  $ 0.98 
Risk free interest rate 4.8  % 4.6  % 4.5  %
Interest rate 5.0  % 5.0  % 5.0  %
Expected volatility 106.2  % 115.7  % 111.6  %
Expected dividend yield —  % —  % —  %
Remaining term (in years) 0.2 0.3 0.4
The following table summarizes the Company’s stock-based compensation expense by line item for the three and nine months ended September 30, 2024 and 2023 (in thousands):
Three months ended
September 30,
 Nine months ended September 30,
2024 2023 2024 2023
Research and development $ (1,341) $ 626  $ (1,390) $ 4,970 
Selling, general and administrative 2,987  6,282  15,120  18,481 
Total $ 1,647  $ 6,908  $ 13,730  $ 23,451 
The key inputs used in the valuation were as follows:
Expected term (years) 10.0
Risk free interest rate 3.0  %
Expected volatility 91.3  %
Dividend yield —  %
Exercise price $ 49.45 
Stock price $ 83.49 
The key inputs used in the valuation were as follows:
Expected term (year) 4.5
Expected volatility 117.3  %
Dividend yield —  %
Risk free rate 3.4  %
Estimated fair value per warrant $ 0.75 
Exercise price $ 1.37 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 3.9
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.26 
Exercise price $ 29.90 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 4.2
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.39 
Exercise price $ 15.41 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 4.0
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.37 
Exercise Price $ 14.93 
Stock Price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 4.3
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.41 
Exercise price $ 15.41 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 4.0
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.40 
Exercise price $ 12.91 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 5.5
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.70 
Exercise price $ 2.24 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 4.8
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.70 
Exercise price $ 2.70 
Stock price $ 0.98 
The key inputs used in the valuation were as follows:
Expected term (years) 4.9
Expected volatility 117.3  %
Expected dividend rate —  %
Risk free rate 3.6  %
Estimated fair value per warrant $ 0.75 
Exercise price $ 1.76 
Stock price $ 0.98