| 
                 
                    Closing price on 10/28/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.50 | 
                 
                
                    | High | 
                    11.50 | 
                 
                
                    | Low | 
                    11.50 | 
                     
                
                    | Volume | 
                    65,400 | 
                                 
                
                    | Split-adjusted Price | 
                    10.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/28/2021
             | 
            
                +1.00 / +9.52%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                10.47
             |                                 
            
                65,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2021
             | 
            
                +0.90 / +9.38%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                9.56
             |                                 
            
                68,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2021
             | 
            
                +0.80 / +9.09%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                8.74
             |                                 
            
                44,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2021
             | 
            
                +0.80 / +10.00%
             |             
            
                8.40
             |           
            
                8.80
             |               
            
                8.20
             |                           
            
                8.80
             | 
            
                8.57
             |                     
            
                8.01
             |                                 
            
                32,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.91
             |                     
            
                7.28
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.89
             |                     
            
                7.28
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2021
             | 
            
                -0.10 / -1.23%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2021
             | 
            
                +0.10 / +1.25%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                7.37
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2021
             | 
            
                +0.30 / +3.90%
             |             
            
                7.70
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.95
             |                     
            
                7.28
             |                                 
            
                11,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2021
             | 
            
                -0.20 / -2.53%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.71
             |                     
            
                7.01
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.80
             |                     
            
                7.19
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2021
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.19
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.30
             |                           
            
                8.00
             | 
            
                7.82
             |                     
            
                7.28
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2021
             | 
            
                +0.30 / +3.90%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                7.01
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2021
             | 
            
                -0.20 / -2.53%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.90
             |                     
            
                7.01
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2021
             | 
            
                -0.10 / -1.25%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.19
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2021
             | 
            
                +0.20 / +2.56%
             |             
            
                7.60
             |           
            
                8.00
             |               
            
                7.20
             |                           
            
                8.00
             | 
            
                7.63
             |                     
            
                7.28
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2021
             | 
            
                -0.50 / -6.02%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.95
             |                     
            
                7.10
             |                                 
            
                8,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2021
             | 
            
                +0.30 / +3.75%
             |             
            
                8.10
             |           
            
                8.30
             |               
            
                7.80
             |                           
            
                8.30
             | 
            
                7.89
             |                     
            
                7.56
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2021
             | 
            
                +0.60 / +8.11%
             |             
            
                7.40
             |           
            
                8.10
             |               
            
                7.40
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.28
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2021
             | 
            
                +0.50 / +7.25%
             |             
            
                6.80
             |           
            
                7.40
             |               
            
                6.80
             |                           
            
                7.40
             | 
            
                6.88
             |                     
            
                6.74
             |                                 
            
                7,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2021
             | 
            
                -0.10 / -1.43%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                7.00
             |                     
            
                6.28
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.06
             |                     
            
                6.37
             |                                 
            
                21,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2021
             | 
            
                +0.20 / +2.94%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                6.99
             |                     
            
                6.37
             |                                 
            
                17,600
             |  
            
                 
             |                                                              
             
    
         
    
    
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