| 
                 
                    Closing price on 5/26/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.30 | 
                 
                
                    | High | 
                    5.40 | 
                 
                
                    | Low | 
                    5.20 | 
                     
                
                    | Volume | 
                    60,600 | 
                                 
                
                    | Split-adjusted Price | 
                    5.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DS3 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/26/2022
             | 
            
                +0.10 / +1.89%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.28
             |                     
            
                5.40
             |                                 
            
                60,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2022
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.29
             |                     
            
                5.30
             |                                 
            
                48,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2022
             | 
            
                -0.10 / -1.85%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.30
             | 
            
                5.24
             |                     
            
                5.30
             |                                 
            
                49,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2022
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                5.40
             |                                 
            
                55,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2022
             | 
            
                +0.10 / +1.89%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.10
             |                           
            
                5.40
             | 
            
                5.25
             |                     
            
                5.40
             |                                 
            
                64,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2022
             | 
            
                -0.30 / -5.36%
             |             
            
                5.10
             |           
            
                5.50
             |               
            
                5.10
             |                           
            
                5.30
             | 
            
                5.23
             |                     
            
                5.30
             |                                 
            
                54,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2022
             | 
            
                +0.10 / +1.82%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.52
             |                     
            
                5.60
             |                                 
            
                49,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2022
             | 
            
                +0.30 / +5.77%
             |             
            
                4.80
             |           
            
                5.50
             |               
            
                4.80
             |                           
            
                5.50
             | 
            
                5.21
             |                     
            
                5.50
             |                                 
            
                116,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2022
             | 
            
                -0.50 / -8.77%
             |             
            
                5.20
             |           
            
                5.70
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.23
             |                     
            
                5.20
             |                                 
            
                325,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2022
             | 
            
                -0.30 / -5.00%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.69
             |                     
            
                5.70
             |                                 
            
                66,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2022
             | 
            
                -0.20 / -3.23%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                5.80
             |                           
            
                6.00
             | 
            
                5.95
             |                     
            
                6.00
             |                                 
            
                76,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2022
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                5.60
             |                           
            
                6.20
             | 
            
                5.83
             |                     
            
                6.20
             |                                 
            
                164,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2022
             | 
            
                +0.20 / +3.33%
             |             
            
                5.90
             |           
            
                6.20
             |               
            
                5.40
             |                           
            
                6.20
             | 
            
                5.72
             |                     
            
                6.20
             |                                 
            
                184,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2022
             | 
            
                -0.60 / -9.09%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.08
             |                     
            
                6.00
             |                                 
            
                84,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2022
             | 
            
                +0.50 / +8.20%
             |             
            
                6.10
             |           
            
                6.60
             |               
            
                6.00
             |                           
            
                6.60
             | 
            
                6.19
             |                     
            
                6.60
             |                                 
            
                148,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2022
             | 
            
                -0.50 / -7.58%
             |             
            
                6.60
             |           
            
                6.80
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                542,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2022
             | 
            
                -0.70 / -9.59%
             |             
            
                6.80
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.65
             |                     
            
                6.60
             |                                 
            
                332,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2022
             | 
            
                +0.10 / +1.39%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.19
             |                     
            
                7.30
             |                                 
            
                16,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2022
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.16
             |                     
            
                7.20
             |                                 
            
                34,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2022
             | 
            
                +0.50 / +7.46%
             |             
            
                6.70
             |           
            
                7.20
             |               
            
                6.70
             |                           
            
                7.20
             | 
            
                7.02
             |                     
            
                7.20
             |                                 
            
                28,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2022
             | 
            
                +0.40 / +6.35%
             |             
            
                6.40
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.70
             | 
            
                6.50
             |                     
            
                6.70
             |                                 
            
                16,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2022
             | 
            
                -0.70 / -10.00%
             |             
            
                7.10
             |           
            
                7.50
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.58
             |                     
            
                6.30
             |                                 
            
                73,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2022
             | 
            
                +0.30 / +4.48%
             |             
            
                6.50
             |           
            
                7.20
             |               
            
                6.50
             |                           
            
                7.00
             | 
            
                6.77
             |                     
            
                7.00
             |                                 
            
                40,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2022
             | 
            
                -0.70 / -9.46%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.81
             |                     
            
                6.70
             |                                 
            
                110,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2022
             | 
            
                -0.10 / -1.33%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.29
             |                     
            
                7.40
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2022
             | 
            
                -0.20 / -2.60%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.55
             |                     
            
                7.50
             |                                 
            
                57,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2022
             | 
            
                -0.60 / -7.23%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.80
             |                     
            
                7.70
             |                                 
            
                68,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2022
             | 
            
                -0.10 / -1.19%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.30
             | 
            
                8.16
             |                     
            
                8.30
             |                                 
            
                62,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2022
             | 
            
                +0.10 / +1.20%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.35
             |                     
            
                8.40
             |                                 
            
                16,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2022
             | 
            
                +0.10 / +1.22%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.30
             | 
            
                8.21
             |                     
            
                8.30
             |                                 
            
                59,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |