| 
                 
                    Closing price on 12/31/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.00 | 
                 
                
                    | High | 
                    29.50 | 
                 
                
                    | Low | 
                    28.40 | 
                     
                
                    | Volume | 
                    4,900 | 
                                 
                
                    | Split-adjusted Price | 
                    13.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTK Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/31/2021
             | 
            
                +0.60 / +2.12%
             |             
            
                29.00
             |           
            
                29.50
             |               
            
                28.40
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                13.34
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2021
             | 
            
                +0.30 / +1.05%
             |             
            
                27.50
             |           
            
                29.00
             |               
            
                27.50
             |                           
            
                29.00
             | 
            
                28.30
             |                     
            
                13.39
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2021
             | 
            
                -0.20 / -0.69%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.70
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                13.25
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2021
             | 
            
                +1.70 / +6.25%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                28.90
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                13.34
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2021
             | 
            
                0.00 / 0.00%
             |             
            
                26.10
             |           
            
                27.50
             |               
            
                26.10
             |                           
            
                27.50
             | 
            
                27.20
             |                     
            
                12.70
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2021
             | 
            
                +0.20 / +0.73%
             |             
            
                27.50
             |           
            
                27.90
             |               
            
                27.50
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                12.70
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2021
             | 
            
                -1.80 / -6.23%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.10
             |                           
            
                27.10
             | 
            
                27.30
             |                     
            
                12.51
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2021
             | 
            
                +2.40 / +9.06%
             |             
            
                28.50
             |           
            
                29.10
             |               
            
                28.50
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                13.34
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2021
             | 
            
                +0.10 / +0.35%
             |             
            
                28.40
             |           
            
                28.50
             |               
            
                25.00
             |                           
            
                28.50
             | 
            
                26.50
             |                     
            
                13.16
             |                                 
            
                8,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2021
             | 
            
                -0.30 / -1.06%
             |             
            
                28.80
             |           
            
                28.80
             |               
            
                28.10
             |                           
            
                28.10
             | 
            
                28.40
             |                     
            
                12.98
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                28.40
             |           
            
                28.50
             |               
            
                28.10
             |                           
            
                28.50
             | 
            
                28.40
             |                     
            
                13.16
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2021
             | 
            
                -0.60 / -2.08%
             |             
            
                28.30
             |           
            
                28.80
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                28.50
             |                     
            
                13.07
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                28.80
             |           
            
                28.90
             |               
            
                28.80
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                13.34
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2021
             | 
            
                -0.20 / -0.69%
             |             
            
                28.70
             |           
            
                28.90
             |               
            
                28.70
             |                           
            
                28.80
             | 
            
                28.90
             |                     
            
                13.30
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2021
             | 
            
                +0.50 / +1.76%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.90
             |                           
            
                28.90
             | 
            
                29.00
             |                     
            
                13.34
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2021
             | 
            
                -0.10 / -0.35%
             |             
            
                28.40
             |           
            
                28.40
             |               
            
                28.40
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                13.11
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2021
             | 
            
                +0.70 / +2.48%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                28.00
             |                           
            
                28.90
             | 
            
                28.50
             |                     
            
                13.34
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2021
             | 
            
                +0.60 / +2.14%
             |             
            
                28.10
             |           
            
                28.70
             |               
            
                28.10
             |                           
            
                28.70
             | 
            
                28.20
             |                     
            
                13.25
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2021
             | 
            
                -0.10 / -0.35%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                27.00
             |                           
            
                28.80
             | 
            
                28.10
             |                     
            
                13.30
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2021
             | 
            
                -0.10 / -0.35%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.90
             |                     
            
                13.30
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2021
             | 
            
                -0.10 / -0.35%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.90
             |                     
            
                13.30
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2021
             | 
            
                +0.10 / +0.35%
             |             
            
                28.60
             |           
            
                29.00
             |               
            
                28.60
             |                           
            
                28.90
             | 
            
                28.91
             |                     
            
                13.34
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2021
             | 
            
                -0.30 / -1.03%
             |             
            
                28.60
             |           
            
                29.00
             |               
            
                28.60
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                13.30
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2021
             | 
            
                +0.10 / +0.35%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.10
             |                     
            
                13.39
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                28.80
             |           
            
                28.90
             |               
            
                28.80
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                13.34
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2021
             | 
            
                -0.10 / -0.35%
             |             
            
                28.90
             |           
            
                29.00
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.90
             |                     
            
                13.30
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2021
             | 
            
                +0.10 / +0.35%
             |             
            
                28.90
             |           
            
                29.00
             |               
            
                28.80
             |                           
            
                29.00
             | 
            
                28.90
             |                     
            
                13.39
             |                                 
            
                7,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2021
             | 
            
                +0.10 / +0.35%
             |             
            
                28.90
             |           
            
                29.00
             |               
            
                28.80
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                13.34
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2021
             | 
            
                +0.30 / +1.05%
             |             
            
                28.20
             |           
            
                28.90
             |               
            
                28.20
             |                           
            
                28.90
             | 
            
                28.80
             |                     
            
                13.34
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2021
             | 
            
                -0.50 / -1.72%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.40
             |                           
            
                28.50
             | 
            
                28.60
             |                     
            
                13.16
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |