| 
    
        
            | 
                    Closing price on 11/25/2020
                 |  |  
    
        |           
                
                    | Open | 1.50 |  
                    | High | 1.50 |  
                    | Low | 1.47 |  
                    | Volume | 139,030 |  
                    | Split-adjusted Price | 1.37 |  
                
             | 
 |  VOS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/25/2020 | -0.01 / -0.68% | 1.50 | 1.50 | 1.47 | 1.47 | 1.48 | 1.37 | 139,030 |   |  
            | 11/24/2020 | +0.05 / +3.50% | 1.43 | 1.49 | 1.43 | 1.48 | 1.46 | 1.38 | 386,430 |   |  			
            | 11/23/2020 | +0.02 / +1.42% | 1.42 | 1.43 | 1.41 | 1.43 | 1.41 | 1.33 | 130,680 |   |  
            | 11/20/2020 | -0.01 / -0.70% | 1.40 | 1.42 | 1.40 | 1.41 | 1.41 | 1.31 | 173,990 |   |  			
            | 11/19/2020 | +0.01 / +0.71% | 1.40 | 1.42 | 1.40 | 1.42 | 1.41 | 1.32 | 180,830 |   |  
            | 11/18/2020 | -0.02 / -1.40% | 1.40 | 1.42 | 1.40 | 1.41 | 1.41 | 1.31 | 121,690 |   |  			
            | 11/17/2020 | +0.03 / +2.14% | 1.40 | 1.43 | 1.39 | 1.43 | 1.40 | 1.33 | 197,890 |   |  
            | 11/16/2020 | -0.02 / -1.41% | 1.40 | 1.43 | 1.40 | 1.40 | 1.41 | 1.30 | 58,540 |   |  			
            | 11/13/2020 | -0.01 / -0.70% | 1.41 | 1.42 | 1.40 | 1.42 | 1.40 | 1.32 | 118,980 |   |  
            | 11/12/2020 | -0.01 / -0.69% | 1.44 | 1.44 | 1.43 | 1.43 | 1.44 | 1.33 | 31,750 |   |  			
            | 11/11/2020 | -0.01 / -0.69% | 1.45 | 1.45 | 1.41 | 1.44 | 1.43 | 1.34 | 369,540 |   |  
            | 11/10/2020 | +0.05 / +3.57% | 1.42 | 1.45 | 1.40 | 1.45 | 1.42 | 1.35 | 341,030 |   |  			
            | 11/9/2020 | 0.00 / 0.00% | 1.40 | 1.42 | 1.40 | 1.40 | 1.41 | 1.30 | 114,630 |   |  
            | 11/6/2020 | 0.00 / 0.00% | 1.40 | 1.40 | 1.33 | 1.40 | 1.38 | 1.30 | 121,740 |   |  			
            | 11/5/2020 | -0.02 / -1.41% | 1.41 | 1.43 | 1.40 | 1.40 | 1.41 | 1.30 | 121,260 |   |  
            | 11/4/2020 | -0.02 / -1.39% | 1.45 | 1.45 | 1.41 | 1.42 | 1.42 | 1.32 | 361,520 |   |  			
            | 11/3/2020 | +0.02 / +1.41% | 1.43 | 1.44 | 1.42 | 1.44 | 1.42 | 1.34 | 111,640 |   |  
            | 11/2/2020 | +0.03 / +2.16% | 1.40 | 1.42 | 1.39 | 1.42 | 1.41 | 1.32 | 131,510 |   |  			
            | 10/30/2020 | +0.02 / +1.46% | 1.38 | 1.39 | 1.38 | 1.39 | 1.39 | 1.29 | 121,740 |   |  
            | 10/29/2020 | 0.00 / 0.00% | 1.37 | 1.40 | 1.36 | 1.37 | 1.37 | 1.28 | 83,250 |   |  			
            | 10/28/2020 | -0.05 / -3.52% | 1.40 | 1.41 | 1.37 | 1.37 | 1.39 | 1.28 | 90,730 |   |  
            | 10/27/2020 | 0.00 / 0.00% | 1.42 | 1.42 | 1.40 | 1.42 | 1.40 | 1.32 | 59,080 |   |  			
            | 10/26/2020 | 0.00 / 0.00% | 1.42 | 1.44 | 1.41 | 1.42 | 1.42 | 1.32 | 93,030 |   |  
            | 10/23/2020 | -0.01 / -0.70% | 1.43 | 1.43 | 1.39 | 1.42 | 1.40 | 1.32 | 300,580 |   |  			
            | 10/22/2020 | 0.00 / 0.00% | 1.42 | 1.43 | 1.40 | 1.43 | 1.41 | 1.33 | 90,520 |   |  
            | 10/21/2020 | 0.00 / 0.00% | 1.43 | 1.44 | 1.42 | 1.43 | 1.43 | 1.33 | 59,270 |   |  			
            | 10/20/2020 | -0.01 / -0.69% | 1.42 | 1.44 | 1.42 | 1.43 | 1.43 | 1.33 | 68,590 |   |  
            | 10/19/2020 | -0.01 / -0.69% | 1.45 | 1.45 | 1.43 | 1.44 | 1.45 | 1.34 | 64,860 |   |  			
            | 10/16/2020 | 0.00 / 0.00% | 1.44 | 1.45 | 1.44 | 1.45 | 1.45 | 1.35 | 74,350 |   |  
            | 10/15/2020 | +0.02 / +1.40% | 1.45 | 1.46 | 1.42 | 1.45 | 1.43 | 1.35 | 138,020 |   |  |