| 
                 
                    Closing price on 9/28/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.40 | 
                 
                
                    | High | 
                    3.50 | 
                 
                
                    | Low | 
                    3.30 | 
                     
                
                    | Volume | 
                    207,100 | 
                                 
                
                    | Split-adjusted Price | 
                    3.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2022
             | 
            
                -0.30 / -7.69%
             |             
            
                3.80
             |           
            
                4.00
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.66
             |                     
            
                3.60
             |                                 
            
                1,076,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2022
             | 
            
                -0.10 / -2.50%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.91
             |                     
            
                3.90
             |                                 
            
                149,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2022
             | 
            
                -0.20 / -4.76%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.04
             |                     
            
                4.00
             |                                 
            
                265,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2022
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.19
             |                     
            
                4.20
             |                                 
            
                78,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2022
             | 
            
                -0.10 / -2.33%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.13
             |                     
            
                4.20
             |                                 
            
                246,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2022
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                170,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2022
             | 
            
                +0.10 / +2.38%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.25
             |                     
            
                4.30
             |                                 
            
                83,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2022
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                206,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2022
             | 
            
                +0.10 / +2.38%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.21
             |                     
            
                4.30
             |                                 
            
                387,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2022
             | 
            
                -0.20 / -4.55%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.31
             |                     
            
                4.20
             |                                 
            
                529,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2022
             | 
            
                -0.10 / -2.22%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.39
             |                     
            
                4.40
             |                                 
            
                123,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2022
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.38
             |                     
            
                4.50
             |                                 
            
                444,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2022
             | 
            
                -0.20 / -4.35%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.53
             |                     
            
                4.40
             |                                 
            
                213,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2022
             | 
            
                +0.40 / +9.52%
             |             
            
                4.20
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.60
             | 
            
                4.53
             |                     
            
                4.60
             |                                 
            
                680,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2022
             | 
            
                -0.20 / -4.55%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.26
             |                     
            
                4.20
             |                                 
            
                539,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2022
             | 
            
                -0.30 / -6.38%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.56
             |                     
            
                4.40
             |                                 
            
                463,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2022
             | 
            
                +0.10 / +2.17%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.65
             |                     
            
                4.70
             |                                 
            
                361,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2022
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.53
             |                     
            
                4.60
             |                                 
            
                289,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2022
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.52
             |                     
            
                4.60
             |                                 
            
                315,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2022
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.50
             |                     
            
                4.60
             |                                 
            
                276,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2022
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.71
             |                     
            
                4.60
             |                                 
            
                513,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2022
             | 
            
                -0.10 / -2.13%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.55
             |                     
            
                4.60
             |                                 
            
                616,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2022
             | 
            
                -0.30 / -6.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.80
             |                     
            
                4.70
             |                                 
            
                928,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2022
             | 
            
                -0.10 / -1.96%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.05
             |                     
            
                5.00
             |                                 
            
                611,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |