| 
                 
                    Closing price on 11/1/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.80 | 
                 
                
                    | High | 
                    1.90 | 
                 
                
                    | Low | 
                    1.70 | 
                     
                
                    | Volume | 
                    151,900 | 
                                 
                
                    | Split-adjusted Price | 
                    1.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/1/2022
             | 
            
                0.00 / 0.00%
             |             
            
                1.80
             |           
            
                1.90
             |               
            
                1.70
             |                           
            
                1.80
             | 
            
                1.81
             |                     
            
                1.80
             |                                 
            
                151,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2022
             | 
            
                0.00 / 0.00%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.70
             |                           
            
                1.80
             | 
            
                1.74
             |                     
            
                1.80
             |                                 
            
                330,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2022
             | 
            
                +0.10 / +5.88%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.70
             |                           
            
                1.80
             | 
            
                1.80
             |                     
            
                1.80
             |                                 
            
                250,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2022
             | 
            
                +0.10 / +6.25%
             |             
            
                1.60
             |           
            
                1.70
             |               
            
                1.60
             |                           
            
                1.70
             | 
            
                1.69
             |                     
            
                1.70
             |                                 
            
                314,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2022
             | 
            
                -0.10 / -5.88%
             |             
            
                1.70
             |           
            
                1.80
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.62
             |                     
            
                1.60
             |                                 
            
                383,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2022
             | 
            
                -0.10 / -5.56%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.71
             |                     
            
                1.70
             |                                 
            
                556,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2022
             | 
            
                -0.20 / -10.00%
             |             
            
                2.00
             |           
            
                2.00
             |               
            
                1.80
             |                           
            
                1.80
             | 
            
                1.85
             |                     
            
                1.80
             |                                 
            
                465,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2022
             | 
            
                -0.20 / -9.09%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.00
             |                           
            
                2.00
             | 
            
                2.03
             |                     
            
                2.00
             |                                 
            
                369,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2022
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.10
             |                     
            
                2.20
             |                                 
            
                187,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2022
             | 
            
                -0.10 / -4.35%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.20
             |                     
            
                2.20
             |                                 
            
                142,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2022
             | 
            
                +0.10 / +4.55%
             |             
            
                2.10
             |           
            
                2.30
             |               
            
                2.10
             |                           
            
                2.30
             | 
            
                2.20
             |                     
            
                2.30
             |                                 
            
                322,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2022
             | 
            
                +0.10 / +4.76%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.11
             |                     
            
                2.20
             |                                 
            
                176,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.13
             |                     
            
                2.10
             |                                 
            
                381,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2022
             | 
            
                0.00 / 0.00%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.00
             |                           
            
                2.10
             | 
            
                2.08
             |                     
            
                2.10
             |                                 
            
                236,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2022
             | 
            
                -0.20 / -8.70%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.11
             |                     
            
                2.10
             |                                 
            
                554,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2022
             | 
            
                -0.20 / -8.00%
             |             
            
                2.30
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.33
             |                     
            
                2.30
             |                                 
            
                571,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2022
             | 
            
                -0.20 / -7.41%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                211,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2022
             | 
            
                -0.20 / -6.90%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                694,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2022
             | 
            
                -0.20 / -6.45%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.96
             |                     
            
                2.90
             |                                 
            
                196,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2022
             | 
            
                +0.20 / +6.90%
             |             
            
                2.90
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                3.01
             |                     
            
                3.10
             |                                 
            
                245,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2022
             | 
            
                -0.20 / -6.45%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                3.05
             |                     
            
                2.90
             |                                 
            
                338,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2022
             | 
            
                -0.20 / -6.06%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.14
             |                     
            
                3.10
             |                                 
            
                155,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2022
             | 
            
                -0.10 / -2.94%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.21
             |                     
            
                3.30
             |                                 
            
                371,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2022
             | 
            
                +0.10 / +3.03%
             |             
            
                3.00
             |           
            
                3.40
             |               
            
                3.00
             |                           
            
                3.40
             | 
            
                3.31
             |                     
            
                3.40
             |                                 
            
                195,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2022
             | 
            
                -0.20 / -5.71%
             |             
            
                3.40
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.32
             |                     
            
                3.30
             |                                 
            
                207,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2022
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.41
             |                     
            
                3.50
             |                                 
            
                255,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2022
             | 
            
                -0.20 / -5.41%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.44
             |                     
            
                3.50
             |                                 
            
                446,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2022
             | 
            
                +0.10 / +2.78%
             |             
            
                3.60
             |           
            
                3.90
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.77
             |                     
            
                3.70
             |                                 
            
                459,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2022
             | 
            
                +0.10 / +2.86%
             |             
            
                3.40
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.60
             | 
            
                3.38
             |                     
            
                3.60
             |                                 
            
                602,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2022
             | 
            
                -0.10 / -2.78%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.49
             |                     
            
                3.50
             |                                 
            
                248,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |