| 
                 
                    Closing price on 6/13/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.50 | 
                 
                
                    | High | 
                    36.50 | 
                 
                
                    | Low | 
                    35.50 | 
                     
                
                    | Volume | 
                    2,200 | 
                                 
                
                    | Split-adjusted Price | 
                    16.44 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTK Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/13/2022
             | 
            
                -1.10 / -3.00%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                35.50
             |                           
            
                35.60
             | 
            
                36.10
             |                     
            
                16.44
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2022
             | 
            
                -0.50 / -1.35%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.70
             |                     
            
                16.85
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2022
             | 
            
                +0.10 / +0.27%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                17.09
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                36.90
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                17.04
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2022
             | 
            
                +0.60 / +1.65%
             |             
            
                36.60
             |           
            
                37.00
             |               
            
                36.60
             |                           
            
                37.00
             | 
            
                36.90
             |                     
            
                17.09
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.30
             |           
            
                36.50
             |               
            
                36.30
             |                           
            
                36.50
             | 
            
                36.40
             |                     
            
                16.85
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2022
             | 
            
                +0.30 / +0.83%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.40
             |                           
            
                36.40
             | 
            
                36.50
             |                     
            
                16.81
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2022
             | 
            
                -0.10 / -0.27%
             |             
            
                34.50
             |           
            
                36.50
             |               
            
                34.50
             |                           
            
                36.50
             | 
            
                36.10
             |                     
            
                16.85
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2022
             | 
            
                -0.20 / -0.54%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                16.90
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2022
             | 
            
                +0.10 / +0.27%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                35.90
             |                           
            
                36.90
             | 
            
                36.80
             |                     
            
                17.04
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2022
             | 
            
                -0.10 / -0.27%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                36.80
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                16.99
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2022
             | 
            
                +0.10 / +0.27%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.90
             |                     
            
                16.90
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2022
             | 
            
                -0.10 / -0.27%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                16.85
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                16.90
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.60
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                16.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.60
             |           
            
                37.50
             |               
            
                35.60
             |                           
            
                37.50
             | 
            
                36.60
             |                     
            
                17.32
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2022
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                17.32
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2022
             | 
            
                +1.80 / +5.04%
             |             
            
                37.80
             |           
            
                38.00
             |               
            
                36.40
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                17.32
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2022
             | 
            
                -0.10 / -0.28%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.70
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                16.48
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.80
             |           
            
                35.80
             |               
            
                35.70
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                16.53
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2022
             | 
            
                +0.50 / +1.41%
             |             
            
                35.50
             |           
            
                36.00
             |               
            
                35.50
             |                           
            
                36.00
             | 
            
                35.80
             |                     
            
                16.62
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2022
             | 
            
                -1.00 / -2.78%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.50
             |                     
            
                16.16
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2022
             | 
            
                -1.90 / -5.01%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                16.62
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2022
             | 
            
                +2.50 / +7.06%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.90
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                17.50
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2022
             | 
            
                +0.30 / +0.83%
             |             
            
                35.00
             |           
            
                36.60
             |               
            
                35.00
             |                           
            
                36.60
             | 
            
                35.40
             |                     
            
                16.90
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2022
             | 
            
                -2.00 / -5.26%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.30
             |                     
            
                16.62
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2022
             | 
            
                +2.00 / +5.41%
             |             
            
                37.80
             |           
            
                39.00
             |               
            
                37.80
             |                           
            
                39.00
             | 
            
                38.00
             |                     
            
                18.01
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2022
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.10
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                17.09
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2022
             | 
            
                +0.70 / +1.93%
             |             
            
                36.90
             |           
            
                37.00
             |               
            
                36.90
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                17.09
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2022
             | 
            
                +0.90 / +2.50%
             |             
            
                36.00
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.90
             | 
            
                36.30
             |                     
            
                17.04
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |