| 
                 
                    Closing price on 7/9/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.90 | 
                 
                
                    | High | 
                    7.90 | 
                 
                
                    | Low | 
                    7.90 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    6.95 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2020
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.05
             |                     
            
                7.13
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2020
             | 
            
                +0.80 / +10.96%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                7.13
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2020
             | 
            
                -0.70 / -8.75%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                8.08
             |                     
            
                6.43
             |                                 
            
                8,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2020
             | 
            
                +1.00 / +14.29%
             |             
            
                7.00
             |           
            
                8.00
             |               
            
                7.00
             |                           
            
                8.00
             | 
            
                7.29
             |                     
            
                7.04
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2020
             | 
            
                -1.20 / -14.63%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.16
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2020
             | 
            
                +1.20 / +17.14%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.22
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2020
             | 
            
                -0.40 / -5.41%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.23
             |                     
            
                6.16
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2020
             | 
            
                +0.40 / +5.71%
             |             
            
                6.80
             |           
            
                7.40
             |               
            
                6.80
             |                           
            
                7.40
             | 
            
                6.99
             |                     
            
                6.51
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2020
             | 
            
                +0.70 / +11.11%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.16
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2020
             | 
            
                +0.40 / +6.78%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                5.55
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2020
             | 
            
                -0.90 / -13.24%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                6.28
             |                     
            
                5.19
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2020
             | 
            
                +0.80 / +13.33%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.99
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2020
             | 
            
                -0.20 / -3.23%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.06
             |                     
            
                5.28
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2020
             | 
            
                +0.20 / +3.33%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.11
             |                     
            
                5.46
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2020
             | 
            
                -0.70 / -10.45%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                5.28
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2020
             | 
            
                -0.50 / -6.94%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                5.90
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2020
             | 
            
                +0.40 / +5.88%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.34
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2020
             | 
            
                -0.10 / -1.45%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.99
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2020
             | 
            
                +0.70 / +11.29%
             |             
            
                6.40
             |           
            
                6.90
             |               
            
                6.40
             |                           
            
                6.90
             | 
            
                6.67
             |                     
            
                6.07
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                5.46
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |