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            | 
                    Closing price on 10/14/2020
                 |  |  
    
        |           
                
                    | Open | 14.80 |  
                    | High | 14.80 |  
                    | Low | 14.50 |  
                    | Volume | 3,410 |  
                    | Split-adjusted Price | 14.70 |  
                
             | 
 |  STG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/14/2020 | -0.10 / -0.68% | 14.80 | 14.80 | 14.50 | 14.70 | 14.66 | 14.70 | 3,410 |   |  
            | 10/13/2020 | +0.05 / +0.34% | 14.85 | 14.85 | 14.80 | 14.80 | 14.80 | 14.80 | 750 |   |  			
            | 10/12/2020 | +0.15 / +1.03% | 14.60 | 14.75 | 14.55 | 14.75 | 14.75 | 14.75 | 1,130 |   |  
            | 10/9/2020 | -0.15 / -1.02% | 14.70 | 14.75 | 14.60 | 14.60 | 14.69 | 14.60 | 2,450 |   |  			
            | 10/8/2020 | 0.00 / 0.00% | 14.65 | 14.85 | 14.60 | 14.75 | 14.65 | 14.75 | 8,600 |   |  
            | 10/7/2020 | +0.05 / +0.34% | 14.80 | 14.80 | 14.60 | 14.75 | 14.76 | 14.75 | 11,110 |   |  			
            | 10/6/2020 | +0.05 / +0.34% | 14.65 | 14.80 | 14.60 | 14.70 | 14.70 | 14.70 | 3,720 |   |  
            | 10/5/2020 | +0.05 / +0.34% | 14.65 | 14.85 | 14.65 | 14.65 | 14.65 | 14.65 | 6,530 |   |  			
            | 10/2/2020 | -0.15 / -1.02% | 14.55 | 14.80 | 14.55 | 14.60 | 14.69 | 14.60 | 10,550 |   |  
            | 10/1/2020 | -0.05 / -0.34% | 14.60 | 14.80 | 14.50 | 14.75 | 14.57 | 14.75 | 12,490 |   |  			
            | 9/30/2020 | +0.20 / +1.37% | 14.95 | 14.95 | 14.50 | 14.80 | 14.57 | 14.80 | 8,440 |   |  
            | 9/29/2020 | -0.05 / -0.34% | 15.10 | 15.10 | 14.60 | 14.60 | 14.61 | 14.60 | 8,910 |   |  			
            | 9/28/2020 | -0.05 / -0.34% | 14.60 | 14.95 | 14.55 | 14.65 | 14.60 | 14.65 | 4,520 |   |  
            | 9/25/2020 | -0.20 / -1.34% | 15.05 | 15.05 | 14.60 | 14.70 | 14.74 | 14.70 | 10,720 |   |  			
            | 9/24/2020 | +0.10 / +0.68% | 14.80 | 14.90 | 14.60 | 14.90 | 14.69 | 14.90 | 6,670 |   |  
            | 9/23/2020 | -0.20 / -1.33% | 14.80 | 15.00 | 14.80 | 14.80 | 14.80 | 14.80 | 13,200 |   |  			
            | 9/22/2020 | +0.05 / +0.33% | 14.50 | 15.10 | 14.50 | 15.00 | 14.51 | 15.00 | 9,100 |   |  
            | 9/21/2020 | +0.15 / +1.01% | 14.80 | 15.50 | 14.70 | 14.95 | 14.86 | 14.95 | 20,520 |   |  			
            | 9/18/2020 | -0.20 / -1.33% | 15.00 | 15.00 | 14.20 | 14.80 | 14.66 | 14.80 | 17,670 |   |  
            | 9/17/2020 | -0.90 / -5.66% | 15.60 | 15.90 | 14.80 | 15.00 | 15.48 | 15.00 | 57,930 |   |  			
            | 9/16/2020 | -0.20 / -1.24% | 16.00 | 16.00 | 15.30 | 15.90 | 15.66 | 15.90 | 2,810 |   |  
            | 9/15/2020 | +0.35 / +2.22% | 15.85 | 16.45 | 15.85 | 16.10 | 16.16 | 16.10 | 46,280 |   |  			
            | 9/14/2020 | +1.00 / +6.78% | 14.75 | 15.75 | 14.75 | 15.75 | 15.69 | 15.75 | 250,120 |   |  
            | 9/11/2020 | 0.00 / 0.00% | 14.75 | 14.75 | 14.50 | 14.75 | 14.56 | 14.75 | 6,730 |   |  			
            | 9/10/2020 | 0.00 / 0.00% | 14.75 | 14.80 | 14.60 | 14.75 | 14.60 | 14.75 | 11,300 |   |  
            | 9/9/2020 | 0.00 / 0.00% | 14.40 | 14.75 | 14.40 | 14.75 | 14.53 | 14.75 | 8,740 |   |  			
            | 9/8/2020 | +0.40 / +2.79% | 14.50 | 14.75 | 14.30 | 14.75 | 14.50 | 14.75 | 7,930 |   |  
            | 9/7/2020 | +0.05 / +0.35% | 14.20 | 14.60 | 14.20 | 14.35 | 14.29 | 14.35 | 11,060 |   |  			
            | 9/4/2020 | -0.40 / -2.72% | 14.40 | 14.70 | 14.15 | 14.30 | 14.49 | 14.30 | 10,630 |   |  
            | 9/3/2020 | 0.00 / 0.00% | 14.80 | 14.80 | 14.50 | 14.70 | 14.58 | 14.70 | 38,960 |   |  |