| 
    
        
            | 
                    Closing price on 11/19/2021
                 |  |  
    
        |           
                
                    | Open | 4.00 |  
                    | High | 4.20 |  
                    | Low | 3.80 |  
                    | Volume | 1,304,200 |  
                    | Split-adjusted Price | 3.90 |  
                
             | 
 |  VST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/19/2021 | +0.10 / +2.63% | 4.00 | 4.20 | 3.80 | 3.90 | 4.10 | 3.90 | 1,304,200 |   |  
            | 11/18/2021 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  			
            | 11/17/2021 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  
            | 11/16/2021 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  			
            | 11/15/2021 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  
            | 11/12/2021 | -0.40 / -9.52% | 4.20 | 4.20 | 3.60 | 3.80 | 3.80 | 3.80 | 2,523,100 |   |  			
            | 11/11/2021 | 0.00 / 0.00% | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 0 |   |  
            | 11/10/2021 | 0.00 / 0.00% | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 0 |   |  			
            | 11/9/2021 | 0.00 / 0.00% | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 0 |   |  
            | 11/8/2021 | 0.00 / 0.00% | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 0 |   |  			
            | 11/5/2021 | -0.70 / -14.29% | 4.30 | 4.90 | 4.20 | 4.20 | 4.20 | 4.20 | 699,900 |   |  
            | 11/4/2021 | 0.00 / 0.00% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 0 |   |  			
            | 11/3/2021 | 0.00 / 0.00% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 0 |   |  
            | 11/2/2021 | 0.00 / 0.00% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 0 |   |  			
            | 11/1/2021 | 0.00 / 0.00% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 0 |   |  
            | 10/29/2021 | -0.70 / -12.96% | 5.40 | 5.60 | 4.60 | 4.70 | 4.90 | 4.70 | 897,300 |   |  			
            | 10/28/2021 | 0.00 / 0.00% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 0 |   |  
            | 10/27/2021 | 0.00 / 0.00% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 0 |   |  			
            | 10/26/2021 | 0.00 / 0.00% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 0 |   |  
            | 10/25/2021 | 0.00 / 0.00% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 0 |   |  			
            | 10/22/2021 | -0.20 / -3.85% | 5.80 | 5.90 | 4.80 | 5.00 | 5.40 | 5.00 | 1,247,400 |   |  
            | 10/21/2021 | 0.00 / 0.00% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 0 |   |  			
            | 10/20/2021 | 0.00 / 0.00% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 0 |   |  
            | 10/19/2021 | 0.00 / 0.00% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 0 |   |  			
            | 10/18/2021 | 0.00 / 0.00% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 0 |   |  
            | 10/15/2021 | +0.60 / +13.04% | 5.20 | 5.20 | 5.00 | 5.20 | 5.20 | 5.20 | 1,020,500 |   |  			
            | 10/14/2021 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 0 |   |  
            | 10/13/2021 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 0 |   |  			
            | 10/12/2021 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 0 |   |  
            | 10/11/2021 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 0 |   |  |