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                    Closing price on 11/23/2021
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        |           
                
                    | Open | 28.20 |  
                    | High | 28.90 |  
                    | Low | 28.20 |  
                    | Volume | 2,700 |  
                    | Split-adjusted Price | 13.34 |  
                
             | 
 |  VTK Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 11/19/2021 | -1.40 / -4.81% | 29.10 | 29.10 | 27.70 | 27.70 | 29.00 | 12.79 | 4,600 |   |  
            | 11/18/2021 | +0.10 / +0.34% | 29.00 | 29.20 | 29.00 | 29.20 | 29.10 | 13.48 | 6,700 |   |  			
            | 11/17/2021 | 0.00 / 0.00% | 29.00 | 29.50 | 29.00 | 29.00 | 29.10 | 13.39 | 3,800 |   |  
            | 11/16/2021 | -0.10 / -0.34% | 29.00 | 29.00 | 28.90 | 29.00 | 29.00 | 13.39 | 3,200 |   |  			
            | 11/15/2021 | -0.10 / -0.34% | 29.10 | 29.10 | 29.00 | 29.00 | 29.10 | 13.39 | 2,700 |   |  
            | 11/12/2021 | 0.00 / 0.00% | 29.00 | 29.20 | 29.00 | 29.10 | 29.10 | 13.44 | 4,200 |   |  			
            | 11/11/2021 | -0.10 / -0.34% | 29.10 | 29.10 | 29.10 | 29.10 | 29.10 | 13.44 | 400 |   |  
            | 11/10/2021 | 0.00 / 0.00% | 29.20 | 29.20 | 29.20 | 29.20 | 29.20 | 13.48 | 500 |   |  			
            | 11/9/2021 | 0.00 / 0.00% | 30.00 | 30.00 | 29.10 | 29.10 | 29.20 | 13.44 | 1,100 |   |  
            | 11/8/2021 | -0.40 / -1.36% | 29.00 | 29.10 | 29.00 | 29.10 | 29.07 | 13.44 | 3,900 |   |  			
            | 11/5/2021 | +0.20 / +0.68% | 29.00 | 29.90 | 29.00 | 29.50 | 29.50 | 13.62 | 300 |   |  
            | 11/4/2021 | +0.40 / +1.37% | 29.10 | 29.50 | 28.90 | 29.50 | 29.30 | 13.62 | 3,200 |   |  			
            | 11/3/2021 | +0.10 / +0.34% | 29.40 | 29.40 | 29.00 | 29.20 | 29.10 | 13.48 | 2,300 |   |  
            | 11/2/2021 | +0.30 / +1.03% | 29.50 | 29.50 | 28.90 | 29.30 | 29.10 | 13.53 | 5,400 |   |  			
            | 11/1/2021 | 0.00 / 0.00% | 29.50 | 29.50 | 29.00 | 29.00 | 29.00 | 13.39 | 4,400 |   |  
            | 10/29/2021 | 0.00 / 0.00% | 29.80 | 29.80 | 29.00 | 29.00 | 29.00 | 13.39 | 3,300 |   |  			
            | 10/28/2021 | 0.00 / 0.00% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 13.39 | 5,200 |   |  
            | 10/27/2021 | -0.20 / -0.68% | 29.00 | 29.10 | 29.00 | 29.00 | 29.00 | 13.39 | 10,900 |   |  			
            | 10/26/2021 | 0.00 / 0.00% | 29.60 | 29.90 | 29.00 | 29.00 | 29.20 | 13.39 | 2,600 |   |  
            | 10/25/2021 | 0.00 / 0.00% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 13.39 | 5,100 |   |  			
            | 10/22/2021 | -0.20 / -0.68% | 29.00 | 29.10 | 28.90 | 29.10 | 29.00 | 13.44 | 1,900 |   |  
            | 10/21/2021 | 0.00 / 0.00% | 29.30 | 29.30 | 29.30 | 29.30 | 29.30 | 13.53 | 0 |   |  			
            | 10/20/2021 | 0.00 / 0.00% | 29.30 | 29.30 | 29.30 | 29.30 | 29.30 | 13.53 | 0 |   |  
            | 10/19/2021 | +0.10 / +0.34% | 29.30 | 29.30 | 29.20 | 29.20 | 29.30 | 13.48 | 600 |   |  			
            | 10/18/2021 | +0.10 / +0.34% | 29.10 | 29.50 | 29.10 | 29.10 | 29.10 | 13.44 | 1,200 |   |  
            | 10/15/2021 | 0.00 / 0.00% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 13.39 | 2,100 |   |  			
            | 10/14/2021 | -0.10 / -0.34% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 13.39 | 1,000 |   |  
            | 10/13/2021 | 0.00 / 0.00% | 29.10 | 29.10 | 29.10 | 29.10 | 29.10 | 13.44 | 0 |   |  |