| 
                 
                    Closing price on 8/2/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    43.00 | 
                 
                
                    | High | 
                    44.00 | 
                 
                
                    | Low | 
                    41.00 | 
                     
                
                    | Volume | 
                    8,700 | 
                                 
                
                    | Split-adjusted Price | 
                    19.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTK Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/2/2022
             | 
            
                +2.30 / +5.79%
             |             
            
                43.00
             |           
            
                44.00
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                43.10
             |                     
            
                19.39
             |                                 
            
                8,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2022
             | 
            
                +1.40 / +3.64%
             |             
            
                39.70
             |           
            
                40.00
             |               
            
                39.50
             |                           
            
                39.90
             | 
            
                39.70
             |                     
            
                18.42
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2022
             | 
            
                +0.10 / +0.26%
             |             
            
                38.50
             |           
            
                38.60
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                17.78
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2022
             | 
            
                +0.30 / +0.79%
             |             
            
                38.10
             |           
            
                39.00
             |               
            
                38.10
             |                           
            
                38.40
             | 
            
                38.40
             |                     
            
                17.73
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2022
             | 
            
                +0.80 / +2.12%
             |             
            
                37.90
             |           
            
                38.60
             |               
            
                37.90
             |                           
            
                38.60
             | 
            
                38.10
             |                     
            
                17.82
             |                                 
            
                31,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2022
             | 
            
                +0.30 / +0.80%
             |             
            
                37.10
             |           
            
                38.00
             |               
            
                37.10
             |                           
            
                38.00
             | 
            
                37.80
             |                     
            
                17.55
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2022
             | 
            
                +0.70 / +1.92%
             |             
            
                36.30
             |           
            
                39.90
             |               
            
                36.20
             |                           
            
                37.10
             | 
            
                37.70
             |                     
            
                17.13
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2022
             | 
            
                +0.50 / +1.37%
             |             
            
                36.50
             |           
            
                38.00
             |               
            
                31.70
             |                           
            
                37.00
             | 
            
                36.40
             |                     
            
                17.09
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2022
             | 
            
                -0.10 / -0.27%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                16.85
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2022
             | 
            
                -0.70 / -1.95%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                35.20
             |                           
            
                35.20
             | 
            
                36.60
             |                     
            
                16.25
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                35.90
             |                           
            
                35.90
             | 
            
                35.90
             |                     
            
                16.58
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2022
             | 
            
                0.00 / 0.00%
             |             
            
                31.50
             |           
            
                38.80
             |               
            
                31.50
             |                           
            
                35.80
             | 
            
                35.90
             |                     
            
                16.53
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2022
             | 
            
                +0.10 / +0.28%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                16.53
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.70
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                16.48
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2022
             | 
            
                -1.00 / -2.78%
             |             
            
                31.20
             |           
            
                36.00
             |               
            
                31.20
             |                           
            
                35.00
             | 
            
                35.70
             |                     
            
                16.16
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2022
             | 
            
                -0.20 / -0.55%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                16.62
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                16.72
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                16.72
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                16.72
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                16.72
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                16.72
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.60
             |               
            
                36.00
             |                           
            
                36.60
             | 
            
                36.20
             |                     
            
                16.90
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                16.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2022
             | 
            
                +1.00 / +2.78%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                37.00
             | 
            
                36.60
             |                     
            
                17.09
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                16.62
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                16.62
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                16.62
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2022
             | 
            
                +0.20 / +0.56%
             |             
            
                35.80
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                16.62
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.80
             |           
            
                35.80
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                16.53
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.80
             |           
            
                35.80
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                16.53
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |