| 
                 
                    Closing price on 8/22/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.70 | 
                 
                
                    | High | 
                    7.70 | 
                 
                
                    | Low | 
                    7.70 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    6.78 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.78
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.78
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2019
             | 
            
                +0.10 / +1.32%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.78
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                6.69
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2019
             | 
            
                -0.10 / -1.30%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.62
             |                     
            
                6.69
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.78
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2019
             | 
            
                +0.30 / +4.05%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.78
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.51
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.51
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2019
             | 
            
                -0.60 / -7.59%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.36
             |                     
            
                6.43
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.51
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.51
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2019
             | 
            
                +0.40 / +5.33%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.51
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2019
             | 
            
                -0.40 / -5.06%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.18
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2019
             | 
            
                +0.50 / +6.76%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.51
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.33
             |                     
            
                6.10
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.10
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.10
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2019
             | 
            
                +0.10 / +1.37%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.10
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2019
             | 
            
                -0.10 / -1.35%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.02
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.10
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.10
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2019
             | 
            
                +0.10 / +1.37%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.10
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2019
             | 
            
                -0.30 / -3.95%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.02
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2019
             | 
            
                -0.30 / -3.80%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                6.27
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2019
             | 
            
                +0.90 / +12.86%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.51
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.01
             |                     
            
                5.77
             |                                 
            
                10,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2019
             | 
            
                -0.50 / -6.67%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.03
             |                     
            
                5.77
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2019
             | 
            
                -0.50 / -6.25%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.18
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.60
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |