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
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Fair Values of Stock Options Granted and Assumptions used in Black-Scholes Model
The estimated fair values of stock options granted, and the assumptions used for the Black-Scholes option pricing model were as follows:
 
    
Three Months Ended March 31,
 
    
2023
    
2022
 
Estimated fair values of stock options granted
  
$
 —  
 
   $ 9.71  
Assumptions:
                 
Risk-free interest rate
  
 
—  
 
     1.9% - 2.4
Expected volatility
  
 
—  
 
    
89.7% - 91.8
Expected term (in years)
  
 
—  
 
     5.75 - 6.89  
    
 
 
    
 
 
 
Summary of Stock Option Activity
Information on stock option activity is as follows:
 
    
Options
Exercisable
    
Weighted-
Average
Exercise
Price Per
Share
    
Options
Outstanding
    
Weighted-
Average
Exercise
Price Per
Share
 
Balance as of December 31, 2022
     339,707      $ 99.35        584,171      $ 73.51  
Granted
                       —          —    
Exercised
                       —          —    
Forfeited or expired
                       (21,206      38.12  
    
 
 
    
 
 
    
 
 
    
 
 
 
Balance as of March 31, 2023
  
 
381,873
 
  
$
92.18
 
  
 
562,965
 
  
$
74.85
 
Schedule of Net Cash Proceeds from Exercise of Stock Options Less Shares Used for Minimum Withholding Taxes and Intrinsic Value of Options Exercised
Net cash proceeds from the exercise of stock options less shares used for minimum withholding taxes and the intrinsic value of options exercised were as follows:
 
     
                      
     
                      
 
    
Three Months Ended March 31,
 
In Thousands
  
2023
    
2022
 
Net cash proceeds
  
$
—  
    
$
 —  
 
    
 
 
    
 
 
 
Intrinsic value of options exercised
  
$
—  
    
$
—  
 
    
 
 
    
 
 
 
Summary of Activity of Restricted Stock Units Information on restricted stock unit activity is as follows:
 
    
Number of
Restricted Stock
Units Outstanding
    
Weighted-
Average Grant
Date Fair Value
 
Unvested balance as of December 31, 2022
     122,914      $ 19.90  
Granted
     348,759        4.34  
Vested
     (68,831      15.33  
Forfeited
     (9,442      17.24  
    
 
 
    
 
 
 
Unvested balance as of March 31, 2023
    
393,400
    
$
6.97
 
    
 
 
    
 
 
 
Summary of Grant Date Fair Value of Restricted Stock Unit Awards Vested
The total grant-date fair value of restricted stock unit awards that vested is as follows:
 
     
                       
     
                       
 
    
Three Months Ended March 31,
 
In Thousands
  
2023
    
2022
 
Grant-date fair value
  
$
1,055
 
  
$
617
 
    
 
 
    
 
 
 
Summary of Stock-Based Compensation Granted As Deemed Dividends
The Company accounts for stock-based compensation awards granted to employees of Cellectis as deemed dividends. The Company recorded deemed dividends as follows:
 
     
                      
     
                      
 
    
Three Months Ended March 31,
 
In Thousands
  
2023
    
2022
 
Deemed dividends from grants to Cellectis employees
  
$
 —  
 
  
$
37
 
    
 
 
    
 
 
 
Share-Based Payment Arrangement, Performance Shares, Outstanding Activity
PSU activity for the three months ended March 31, 2022, is as follows:
 
    
Number of
Performance Stock
Units Outstanding
 
Unvested balance as of December 31, 2022
     113,000  
Granted
  
 
—  
 
Vested
     (17,670
Forfeited
     (1,666
    
 
 
 
Unvested balance as of March 31, 2023
    
93,664
 
    
 
 
 
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Stock-based Compensation Expense
Stock-based compensation expense related to stock option awards is as follows:
 
    
Three Months Ended March 31,
 
In Thousands
  
2023
    
2022
 
Stock-based compensation expense
  
$
354
 
   $ 180  
    
 
 
    
 
 
 
Restricted Stock Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Stock-based Compensation Expense
Stock-based compensation expense related to RSUs is as follows:
 
     
                      
     
                      
 
    
Three Months Ended March 31,
 
In Thousands
  
2023
    
2022
 
Stock-based compensation expense
  
$
311
 
  
$
205
 
    
 
 
    
 
 
 
Performance Stock Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Stock-based Compensation Expense
Stock-based compensation expense related to PSUs is as follows:
 
    
Three Months Ended
March 31,
 
In Thousands
  
2023
    
2022
 
Stock-based compensation expense
  
$
163
 
   $ 146