| 
                 
                    Closing price on 4/22/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.00 | 
                 
                
                    | High | 
                    12.00 | 
                 
                
                    | Low | 
                    12.00 | 
                     
                
                    | Volume | 
                    1,000 | 
                                 
                
                    | Split-adjusted Price | 
                    9.69 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DTK Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/22/2021
             | 
            
                -1.00 / -7.69%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                9.69
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2021
             | 
            
                +0.60 / +4.84%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                10.49
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                10.01
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2021
             | 
            
                -0.10 / -0.80%
             |             
            
                12.10
             |           
            
                12.40
             |               
            
                12.10
             |                           
            
                12.40
             | 
            
                12.30
             |                     
            
                10.01
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                10.09
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                10.09
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2021
             | 
            
                +0.10 / +0.81%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                10.09
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2021
             | 
            
                -0.10 / -0.80%
             |             
            
                12.00
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.40
             | 
            
                12.13
             |                     
            
                10.01
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.00
             |           
            
                12.50
             |               
            
                12.00
             |                           
            
                12.50
             | 
            
                12.13
             |                     
            
                10.09
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2021
             | 
            
                +0.50 / +4.17%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                10.09
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2021
             | 
            
                -0.50 / -4.00%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.32
             |                     
            
                9.69
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.40
             |                           
            
                12.50
             | 
            
                12.49
             |                     
            
                10.09
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.00
             |           
            
                12.50
             |               
            
                12.00
             |                           
            
                12.50
             | 
            
                12.37
             |                     
            
                10.09
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2021
             | 
            
                +0.10 / +0.81%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                10.09
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2021
             | 
            
                +0.60 / +5.08%
             |             
            
                12.00
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.40
             | 
            
                12.20
             |                     
            
                10.01
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2021
             | 
            
                -0.30 / -2.48%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.82
             |                     
            
                9.52
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.10
             |           
            
                12.10
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                9.77
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2021
             | 
            
                +0.10 / +0.83%
             |             
            
                12.00
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.10
             | 
            
                12.19
             |                     
            
                9.77
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2021
             | 
            
                -0.10 / -0.83%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                11.90
             |                           
            
                12.00
             | 
            
                12.09
             |                     
            
                9.69
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2021
             | 
            
                -0.10 / -0.82%
             |             
            
                12.10
             |           
            
                12.10
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                9.77
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2021
             | 
            
                -0.10 / -0.81%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                12.10
             |                           
            
                12.20
             | 
            
                12.19
             |                     
            
                9.85
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                9.93
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2021
             | 
            
                -0.10 / -0.81%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.31
             |                     
            
                9.93
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2021
             | 
            
                -0.30 / -2.36%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.48
             |                     
            
                10.01
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                10.25
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2021
             | 
            
                +0.40 / +3.25%
             |             
            
                12.00
             |           
            
                12.70
             |               
            
                12.00
             |                           
            
                12.70
             | 
            
                12.47
             |                     
            
                10.25
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.24
             |                     
            
                9.93
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.10
             |                           
            
                12.30
             | 
            
                12.22
             |                     
            
                9.93
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                9.93
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2021
             | 
            
                -0.10 / -0.81%
             |             
            
                12.10
             |           
            
                12.30
             |               
            
                12.10
             |                           
            
                12.30
             | 
            
                12.20
             |                     
            
                9.93
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |