| 
                 
                    Closing price on 4/21/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    18.00 | 
                 
                
                    | High | 
                    18.00 | 
                 
                
                    | Low | 
                    18.00 | 
                     
                
                    | Volume | 
                    3,800 | 
                                 
                
                    | Split-adjusted Price | 
                    9.75 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDV Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/21/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                9.75
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                9.75
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2020
             | 
            
                +0.30 / +1.69%
             |             
            
                17.70
             |           
            
                18.00
             |               
            
                17.70
             |                           
            
                18.00
             | 
            
                17.99
             |                     
            
                9.75
             |                                 
            
                10,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2020
             | 
            
                +0.70 / +4.12%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.70
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                9.58
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2020
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2020
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2020
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2020
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.20
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2020
             | 
            
                +1.60 / +10.39%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.20
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2020
             | 
            
                -0.10 / -0.65%
             |             
            
                15.40
             |           
            
                15.40
             |               
            
                15.40
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                8.34
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2020
             | 
            
                -1.40 / -8.28%
             |             
            
                15.30
             |           
            
                15.50
             |               
            
                15.30
             |                           
            
                15.50
             | 
            
                15.43
             |                     
            
                8.39
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2020
             | 
            
                +1.90 / +12.58%
             |             
            
                15.30
             |           
            
                17.00
             |               
            
                15.30
             |                           
            
                17.00
             | 
            
                16.89
             |                     
            
                9.20
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2020
             | 
            
                -0.10 / -0.66%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                8.18
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2020
             | 
            
                +0.20 / +1.33%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.20
             | 
            
                15.14
             |                     
            
                8.23
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2020
             | 
            
                -0.50 / -3.23%
             |             
            
                14.50
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                15.00
             | 
            
                14.96
             |                     
            
                8.12
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2020
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                8.39
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2020
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                8.39
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2020
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                8.39
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2020
             | 
            
                -0.10 / -0.64%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.57
             |                     
            
                8.39
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2020
             | 
            
                -0.90 / -5.45%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.84
             |                     
            
                8.45
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.50
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                8.93
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2020
             | 
            
                -2.50 / -13.16%
             |             
            
                19.60
             |           
            
                19.60
             |               
            
                16.50
             |                           
            
                16.50
             | 
            
                16.51
             |                     
            
                8.93
             |                                 
            
                27,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2020
             | 
            
                +1.00 / +5.56%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                16.90
             |                           
            
                19.00
             | 
            
                17.10
             |                     
            
                10.29
             |                                 
            
                86,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2020
             | 
            
                -1.70 / -8.63%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                19.80
             |                     
            
                9.75
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2020
             | 
            
                +0.70 / +3.68%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.00
             |                           
            
                19.70
             | 
            
                19.33
             |                     
            
                10.67
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2020
             | 
            
                -2.00 / -10.00%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                19.00
             |                     
            
                9.75
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2020
             | 
            
                +0.40 / +2.04%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                18.00
             |                           
            
                20.00
             | 
            
                18.79
             |                     
            
                10.83
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2020
             | 
            
                -0.20 / -1.01%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.20
             |                           
            
                19.60
             | 
            
                19.37
             |                     
            
                10.61
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2020
             | 
            
                +0.30 / +1.54%
             |             
            
                22.80
             |           
            
                22.80
             |               
            
                19.50
             |                           
            
                19.80
             | 
            
                19.63
             |                     
            
                10.72
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |