| 
                 
                    Closing price on 7/16/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.50 | 
                 
                
                    | High | 
                    1.50 | 
                 
                
                    | Low | 
                    1.40 | 
                     
                
                    | Volume | 
                    422,100 | 
                                 
                
                    | Split-adjusted Price | 
                    1.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/16/2021
             | 
            
                -0.20 / -12.50%
             |             
            
                1.50
             |           
            
                1.50
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                422,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2021
             | 
            
                -0.10 / -6.25%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.40
             |                           
            
                1.50
             | 
            
                1.60
             |                     
            
                1.50
             |                                 
            
                1,778,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2021
             | 
            
                +0.20 / +14.29%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                1.60
             |                                 
            
                1,341,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2021
             | 
            
                +0.10 / +7.69%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.30
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                3,409,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                1.30
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                1.30
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                1.30
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                1.30
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2021
             | 
            
                +0.10 / +8.33%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                1.30
             |                                 
            
                590,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2021
             | 
            
                +0.10 / +9.09%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                162,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                1.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                1.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                1.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                1.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |