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                    Closing price on 8/9/2022
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                    | Open | 40.10 |  
                    | High | 43.40 |  
                    | Low | 39.50 |  
                    | Volume | 3,600 |  
                    | Split-adjusted Price | 20.04 |  
                
             | 
 |  VTK Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/9/2022 | -0.50 / -1.14% | 40.10 | 43.40 | 39.50 | 43.40 | 43.00 | 20.04 | 3,600 |   |  
            | 8/8/2022 | +2.70 / +6.55% | 43.90 | 43.90 | 43.90 | 43.90 | 43.90 | 20.27 | 5,000 |   |  			
            | 8/5/2022 | -0.10 / -0.24% | 41.80 | 41.80 | 40.00 | 41.70 | 41.20 | 19.26 | 9,000 |   |  
            | 8/4/2022 | -3.50 / -7.87% | 40.00 | 42.40 | 40.00 | 41.00 | 41.80 | 18.93 | 5,000 |   |  			
            | 8/3/2022 | -0.60 / -1.39% | 45.50 | 46.00 | 41.00 | 42.50 | 44.50 | 19.62 | 8,400 |   |  
            | 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 |   |  |