| 
                 
                    Closing price on 10/7/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.30 | 
                 
                
                    | High | 
                    30.30 | 
                 
                
                    | Low | 
                    30.20 | 
                     
                
                    | Volume | 
                    1,100 | 
                                 
                
                    | Split-adjusted Price | 
                    14.56 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTK Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/7/2022
             | 
            
                -5.20 / -14.65%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                30.20
             |                           
            
                30.30
             | 
            
                30.20
             |                     
            
                14.56
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2022
             | 
            
                -0.50 / -1.39%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                17.06
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                17.30
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                17.30
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2022
             | 
            
                +0.40 / +1.12%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                17.30
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.60
             |           
            
                35.60
             |               
            
                35.60
             |                           
            
                35.60
             | 
            
                35.60
             |                     
            
                17.11
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.20
             |           
            
                38.40
             |               
            
                35.20
             |                           
            
                35.50
             | 
            
                35.60
             |                     
            
                17.06
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2022
             | 
            
                -0.90 / -2.47%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                17.06
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                36.40
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                17.49
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                36.40
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                17.49
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2022
             | 
            
                +2.50 / +7.37%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                36.40
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                17.49
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2022
             | 
            
                -1.40 / -3.95%
             |             
            
                33.50
             |           
            
                34.00
             |               
            
                33.50
             |                           
            
                34.00
             | 
            
                33.90
             |                     
            
                16.34
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2022
             | 
            
                0.00 / 0.00%
             |             
            
                35.40
             |           
            
                35.40
             |               
            
                35.40
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                17.01
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2022
             | 
            
                -1.20 / -3.31%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.40
             |                     
            
                16.82
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                17.40
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2022
             | 
            
                +1.10 / +3.15%
             |             
            
                36.00
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.20
             |                     
            
                17.30
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2022
             | 
            
                -0.20 / -0.57%
             |             
            
                36.20
             |           
            
                37.50
             |               
            
                34.00
             |                           
            
                35.00
             | 
            
                34.90
             |                     
            
                16.82
             |                                 
            
                7,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.20
             |               
            
                35.00
             |                           
            
                36.20
             | 
            
                35.20
             |                     
            
                17.40
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2022
             | 
            
                -3.10 / -8.36%
             |             
            
                41.90
             |           
            
                42.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                36.20
             |                     
            
                16.34
             |                                 
            
                24,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2022
             | 
            
                -0.20 / -0.53%
             |             
            
                36.50
             |           
            
                37.40
             |               
            
                36.00
             |                           
            
                37.30
             | 
            
                37.10
             |                     
            
                17.92
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2022
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                18.02
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2022
             | 
            
                -0.10 / -0.27%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.30
             |                           
            
                37.30
             | 
            
                37.50
             |                     
            
                17.92
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2022
             | 
            
                -0.60 / -1.58%
             |             
            
                37.40
             |           
            
                37.40
             |               
            
                37.40
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                17.97
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2022
             | 
            
                -0.10 / -0.26%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                18.26
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2022
             | 
            
                +0.40 / +1.05%
             |             
            
                37.00
             |           
            
                38.40
             |               
            
                36.50
             |                           
            
                38.40
             | 
            
                38.10
             |                     
            
                18.45
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2022
             | 
            
                -2.50 / -6.33%
             |             
            
                37.50
             |           
            
                38.40
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                38.00
             |                     
            
                17.78
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2022
             | 
            
                +1.10 / +2.98%
             |             
            
                39.60
             |           
            
                39.60
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                39.50
             |                     
            
                18.26
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2022
             | 
            
                -1.10 / -2.85%
             |             
            
                38.50
             |           
            
                39.00
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                38.40
             |                     
            
                17.32
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2022
             | 
            
                -1.40 / -3.51%
             |             
            
                38.90
             |           
            
                38.90
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.60
             |                     
            
                17.78
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2022
             | 
            
                +2.60 / +6.97%
             |             
            
                39.90
             |           
            
                39.90
             |               
            
                39.90
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                18.42
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |