| 
                 
                    Closing price on 8/6/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    7.22 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/6/2020
             | 
            
                +0.50 / +6.49%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.22
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2020
             | 
            
                -0.60 / -7.23%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.71
             |                     
            
                6.78
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                8.30
             |               
            
                7.10
             |                           
            
                8.30
             | 
            
                7.18
             |                     
            
                7.31
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2020
             | 
            
                +0.10 / +1.22%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.31
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2020
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.22
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2020
             | 
            
                +0.30 / +3.80%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.22
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2020
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2020
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.04
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2020
             | 
            
                +0.50 / +6.67%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.04
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                14,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2020
             | 
            
                -0.40 / -5.06%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.80
             |                     
            
                6.95
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2020
             | 
            
                +0.50 / +6.76%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2020
             | 
            
                -0.40 / -5.13%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.37
             |                     
            
                6.51
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2020
             | 
            
                +0.30 / +4.00%
             |             
            
                7.30
             |           
            
                7.90
             |               
            
                7.30
             |                           
            
                7.80
             | 
            
                7.49
             |                     
            
                6.87
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2020
             | 
            
                -0.10 / -1.32%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                25,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2020
             | 
            
                -0.10 / -1.25%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                7.50
             |                           
            
                7.90
             | 
            
                7.61
             |                     
            
                6.95
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2020
             | 
            
                +0.50 / +6.67%
             |             
            
                7.50
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                8.00
             | 
            
                7.58
             |                     
            
                7.04
             |                                 
            
                10,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2020
             | 
            
                -0.60 / -7.41%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.47
             |                     
            
                6.60
             |                                 
            
                46,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2020
             | 
            
                -0.10 / -1.22%
             |             
            
                7.50
             |           
            
                8.10
             |               
            
                7.30
             |                           
            
                8.10
             | 
            
                7.47
             |                     
            
                7.13
             |                                 
            
                16,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2020
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.15
             |                     
            
                7.22
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2020
             | 
            
                +0.70 / +8.64%
             |             
            
                7.50
             |           
            
                9.00
             |               
            
                7.50
             |                           
            
                8.80
             | 
            
                8.17
             |                     
            
                7.75
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
         
    
    
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