| 
                 
                    Closing price on 11/12/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.80 | 
                 
                
                    | High | 
                    3.90 | 
                 
                
                    | Low | 
                    3.80 | 
                     
                
                    | Volume | 
                    17,300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/12/2020
             | 
            
                +0.10 / +2.63%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.80
             |                     
            
                3.90
             |                                 
            
                17,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2020
             | 
            
                -0.20 / -5.00%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.80
             | 
            
                3.82
             |                     
            
                3.80
             |                                 
            
                71,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2020
             | 
            
                +0.10 / +2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                4.00
             | 
            
                3.90
             |                     
            
                4.00
             |                                 
            
                14,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                3.90
             |                                 
            
                47,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2020
             | 
            
                -0.10 / -2.50%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.97
             |                     
            
                3.90
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2020
             | 
            
                -0.10 / -2.44%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.98
             |                     
            
                4.00
             |                                 
            
                38,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2020
             | 
            
                +0.10 / +2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.06
             |                     
            
                4.10
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.97
             |                     
            
                4.00
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2020
             | 
            
                -0.10 / -2.44%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                4.00
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2020
             | 
            
                +0.10 / +2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                4.10
             | 
            
                3.98
             |                     
            
                4.10
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                4.00
             |                                 
            
                30,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.07
             |                     
            
                4.00
             |                                 
            
                52,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2020
             | 
            
                -0.20 / -4.76%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.09
             |                     
            
                4.00
             |                                 
            
                105,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2020
             | 
            
                -0.10 / -2.33%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.10
             |                     
            
                4.20
             |                                 
            
                77,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.18
             |                     
            
                4.30
             |                                 
            
                122,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2020
             | 
            
                +0.10 / +2.38%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.16
             |                     
            
                4.30
             |                                 
            
                142,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2020
             | 
            
                -0.20 / -4.55%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.23
             |                     
            
                4.20
             |                                 
            
                145,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.30
             |                     
            
                4.40
             |                                 
            
                138,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2020
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.39
             |                     
            
                4.40
             |                                 
            
                116,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2020
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.37
             |                     
            
                4.50
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2020
             | 
            
                -0.10 / -2.22%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.29
             |                     
            
                4.40
             |                                 
            
                32,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.33
             |                     
            
                4.50
             |                                 
            
                23,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2020
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.60
             |                     
            
                4.50
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2020
             | 
            
                -0.20 / -4.17%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.79
             |                     
            
                4.60
             |                                 
            
                50,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2020
             | 
            
                -0.10 / -2.04%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.79
             |                     
            
                4.80
             |                                 
            
                13,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.87
             |                     
            
                4.90
             |                                 
            
                16,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2020
             | 
            
                +0.10 / +2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.80
             |                     
            
                4.90
             |                                 
            
                85,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2020
             | 
            
                +0.10 / +2.13%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.77
             |                     
            
                4.80
             |                                 
            
                135,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2020
             | 
            
                +0.20 / +4.44%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.60
             |                     
            
                4.70
             |                                 
            
                48,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.56
             |                     
            
                4.50
             |                                 
            
                106,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |