| 
    
        
            | 
                    Closing price on 2/13/2017
                 |  |  
    
        |           
                
                    | Open | 2.69 |  
                    | High | 2.69 |  
                    | Low | 2.35 |  
                    | Volume | 2,520,720 |  
                    | Split-adjusted Price | 2.69 |  
                
             | 
 |  ATG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/13/2017 | +0.17 / +6.75% | 2.69 | 2.69 | 2.35 | 2.69 | 2.60 | 2.69 | 2,520,720 |   |  
            | 2/10/2017 | +0.16 / +6.78% | 2.52 | 2.52 | 2.52 | 2.52 | 2.52 | 2.52 | 132,070 |   |  			
            | 2/9/2017 | +0.15 / +6.79% | 2.36 | 2.36 | 2.36 | 2.36 | 2.36 | 2.36 | 43,100 |   |  
            | 2/8/2017 | +0.14 / +6.76% | 2.21 | 2.21 | 2.07 | 2.21 | 2.20 | 2.21 | 1,955,730 |   |  			
            | 2/7/2017 | +0.13 / +6.70% | 2.07 | 2.07 | 2.07 | 2.07 | 2.07 | 2.07 | 214,910 |   |  
            | 2/6/2017 | +0.12 / +6.59% | 1.94 | 1.94 | 1.94 | 1.94 | 1.94 | 1.94 | 564,340 |   |  			
            | 2/3/2017 | +0.11 / +6.43% | 1.82 | 1.82 | 1.82 | 1.82 | 1.82 | 1.82 | 408,730 |   |  
            | 2/2/2017 | +0.11 / +6.88% | 1.49 | 1.71 | 1.49 | 1.71 | 1.52 | 1.71 | 1,847,050 |   |  			
            | 1/25/2017 | -0.12 / -6.98% | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1,842,210 |   |  
            | 1/24/2017 | -0.12 / -6.52% | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 | 2,670 |   |  			
            | 1/23/2017 | -0.13 / -6.60% | 1.84 | 1.84 | 1.84 | 1.84 | 1.84 | 1.84 | 1,440 |   |  
            | 1/20/2017 | -0.14 / -6.64% | 1.97 | 1.97 | 1.97 | 1.97 | 1.97 | 1.97 | 280 |   |  			
            | 1/19/2017 | -0.15 / -6.64% | 2.11 | 2.11 | 2.11 | 2.11 | 2.11 | 2.11 | 270 |   |  
            | 1/18/2017 | -0.16 / -6.61% | 2.26 | 2.26 | 2.26 | 2.26 | 2.26 | 2.26 | 60 |   |  			
            | 1/17/2017 | -0.18 / -6.92% | 2.42 | 2.42 | 2.42 | 2.42 | 2.42 | 2.42 | 2,060 |   |  
            | 1/16/2017 | -0.19 / -6.81% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 560 |   |  			
            | 1/13/2017 | -0.20 / -6.69% | 2.79 | 2.79 | 2.79 | 2.79 | 2.79 | 2.79 | 210 |   |  
            | 1/12/2017 | -0.22 / -6.85% | 3.10 | 3.10 | 2.99 | 2.99 | 3.05 | 2.99 | 26,570 |   |  			
            | 1/11/2017 | -0.24 / -6.96% | 3.21 | 3.21 | 3.21 | 3.21 | 3.21 | 3.21 | 190 |   |  
            | 1/10/2017 | -0.25 / -6.76% | 3.45 | 3.45 | 3.45 | 3.45 | 3.45 | 3.45 | 20 |   |  			
            | 1/9/2017 | -0.27 / -6.80% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 330 |   |  
            | 1/6/2017 | -0.29 / -6.81% | 3.97 | 3.97 | 3.97 | 3.97 | 3.97 | 3.97 | 120 |   |  			
            | 1/5/2017 | -0.31 / -6.78% | 4.26 | 4.26 | 4.26 | 4.26 | 4.26 | 4.26 | 520 |   |  
            | 1/4/2017 | -0.34 / -6.92% | 4.57 | 4.57 | 4.57 | 4.57 | 4.57 | 4.57 | 198,980 |   |  			
            | 1/3/2017 | -0.36 / -6.83% | 4.91 | 4.91 | 4.91 | 4.91 | 4.91 | 4.91 | 20 |   |  
            | 12/30/2016 | -0.39 / -6.89% | 5.27 | 5.27 | 5.27 | 5.27 | 5.27 | 5.27 | 1,760 |   |  			
            | 12/29/2016 | -0.42 / -6.91% | 5.66 | 5.66 | 5.66 | 5.66 | 5.66 | 5.66 | 10,550 |   |  
            | 12/28/2016 | -0.45 / -6.89% | 6.08 | 6.08 | 6.08 | 6.08 | 6.08 | 6.08 | 1,050 |   |  			
            | 12/27/2016 | -0.49 / -6.98% | 6.53 | 6.53 | 6.53 | 6.53 | 6.53 | 6.53 | 10 |   |  
            | 12/26/2016 | -0.52 / -6.90% | 7.02 | 7.02 | 7.02 | 7.02 | 7.02 | 7.02 | 10 |   |  |