| 
    
        
            | 
                    Closing price on 3/2/2018
                 |  |  
    
        |           
                
                    | Open | 2.35 |  
                    | High | 2.51 |  
                    | Low | 2.35 |  
                    | Volume | 479,650 |  
                    | Split-adjusted Price | 2.51 |  
                
             | 
 |  ATG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/2/2018 | +0.16 / +6.81% | 2.35 | 2.51 | 2.35 | 2.51 | 2.49 | 2.51 | 479,650 |   |  
            | 3/1/2018 | -0.05 / -2.08% | 2.40 | 2.40 | 2.30 | 2.35 | 2.31 | 2.35 | 221,080 |   |  			
            | 2/28/2018 | -0.04 / -1.64% | 2.45 | 2.45 | 2.27 | 2.40 | 2.28 | 2.40 | 621,230 |   |  
            | 2/27/2018 | -0.01 / -0.41% | 2.33 | 2.60 | 2.28 | 2.44 | 2.33 | 2.44 | 333,330 |   |  			
            | 2/26/2018 | -0.07 / -2.78% | 2.45 | 2.50 | 2.43 | 2.45 | 2.45 | 2.45 | 112,390 |   |  
            | 2/23/2018 | -0.18 / -6.67% | 2.55 | 2.66 | 2.52 | 2.52 | 2.53 | 2.52 | 377,240 |   |  			
            | 2/22/2018 | -0.05 / -1.82% | 2.71 | 2.71 | 2.60 | 2.70 | 2.68 | 2.70 | 65,760 |   |  
            | 2/21/2018 | 0.00 / 0.00% | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | 4,410 |   |  			
            | 2/13/2018 | +0.08 / +3.00% | 2.80 | 2.80 | 2.62 | 2.75 | 2.72 | 2.75 | 11,760 |   |  
            | 2/12/2018 | +0.15 / +5.95% | 2.68 | 2.68 | 2.60 | 2.67 | 2.68 | 2.67 | 35,100 |   |  			
            | 2/9/2018 | -0.10 / -3.82% | 2.73 | 2.73 | 2.52 | 2.52 | 2.60 | 2.52 | 29,220 |   |  
            | 2/8/2018 | 0.00 / 0.00% | 2.69 | 2.79 | 2.62 | 2.62 | 2.68 | 2.62 | 104,540 |   |  			
            | 2/7/2018 | +0.02 / +0.77% | 2.60 | 2.78 | 2.42 | 2.62 | 2.71 | 2.62 | 149,840 |   |  
            | 2/6/2018 | -0.12 / -4.41% | 2.65 | 2.73 | 2.53 | 2.60 | 2.55 | 2.60 | 75,730 |   |  			
            | 2/5/2018 | -0.20 / -6.85% | 2.92 | 2.92 | 2.72 | 2.72 | 2.79 | 2.72 | 59,430 |   |  
            | 2/2/2018 | +0.05 / +1.74% | 3.00 | 3.05 | 2.87 | 2.92 | 2.97 | 2.92 | 319,710 |   |  			
            | 2/1/2018 | +0.18 / +6.69% | 2.86 | 2.87 | 2.80 | 2.87 | 2.87 | 2.87 | 389,550 |   |  
            | 1/31/2018 | +0.17 / +6.75% | 2.52 | 2.69 | 2.52 | 2.69 | 2.64 | 2.69 | 112,700 |   |  			
            | 1/30/2018 | -0.11 / -4.18% | 2.61 | 2.64 | 2.50 | 2.52 | 2.59 | 2.52 | 192,700 |   |  
            | 1/29/2018 | -0.17 / -6.07% | 2.80 | 2.80 | 2.62 | 2.63 | 2.64 | 2.63 | 51,860 |   |  			
            | 1/26/2018 | 0.00 / 0.00% | 2.72 | 2.80 | 2.67 | 2.80 | 2.73 | 2.80 | 80,990 |   |  
            | 1/25/2018 | +0.04 / +1.45% | 2.76 | 2.80 | 2.70 | 2.80 | 2.72 | 2.80 | 147,940 |   |  			
            | 1/22/2018 | -0.10 / -3.50% | 2.82 | 2.82 | 2.75 | 2.76 | 2.79 | 2.76 | 81,420 |   |  
            | 1/19/2018 | 0.00 / 0.00% | 2.88 | 2.88 | 2.83 | 2.86 | 2.85 | 2.86 | 86,100 |   |  			
            | 1/18/2018 | +0.01 / +0.35% | 2.85 | 2.89 | 2.80 | 2.86 | 2.86 | 2.86 | 151,320 |   |  
            | 1/17/2018 | +0.02 / +0.71% | 2.83 | 2.86 | 2.83 | 2.85 | 2.84 | 2.85 | 136,090 |   |  			
            | 1/16/2018 | +0.02 / +0.71% | 2.81 | 2.85 | 2.80 | 2.83 | 2.81 | 2.83 | 108,560 |   |  
            | 1/15/2018 | -0.07 / -2.43% | 2.91 | 2.91 | 2.80 | 2.81 | 2.81 | 2.81 | 111,770 |   |  			
            | 1/12/2018 | -0.02 / -0.69% | 2.87 | 2.91 | 2.81 | 2.88 | 2.84 | 2.88 | 229,860 |   |  
            | 1/11/2018 | +0.02 / +0.69% | 2.86 | 2.90 | 2.84 | 2.90 | 2.86 | 2.90 | 90,200 |   |  |