| 
                 
                    Closing price on 12/3/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.60 | 
                 
                
                    | High | 
                    6.60 | 
                 
                
                    | Low | 
                    6.60 | 
                     
                
                    | Volume | 
                    100 | 
                                 
                
                    | Split-adjusted Price | 
                    5.81 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/3/2019
             | 
            
                -1.80 / -21.43%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                5.81
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2019
             | 
            
                +0.90 / +12.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                6.50
             |                           
            
                8.40
             | 
            
                7.42
             |                     
            
                7.40
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2019
             | 
            
                -0.10 / -1.32%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2019
             | 
            
                -0.90 / -10.59%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                6.69
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2019
             | 
            
                +1.00 / +13.33%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.48
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2019
             | 
            
                +0.20 / +2.74%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2019
             | 
            
                -0.60 / -7.59%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.43
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2019
             | 
            
                -0.30 / -3.66%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.95
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2019
             | 
            
                +0.70 / +9.33%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.22
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2019
             | 
            
                -0.80 / -9.64%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2019
             | 
            
                -0.20 / -2.35%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.31
             |                                 
            
                1,645
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2019
             | 
            
                +0.10 / +1.19%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.48
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2019
             | 
            
                -0.10 / -1.18%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                7.40
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.48
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.48
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2019
             | 
            
                +0.10 / +1.19%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.48
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2019
             | 
            
                -0.20 / -2.33%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                7.40
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2019
             | 
            
                +0.20 / +2.38%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                7.57
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2019
             | 
            
                +0.70 / +9.09%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                7.40
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2019
             | 
            
                +0.40 / +5.48%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                6.78
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2019
             | 
            
                -0.20 / -2.67%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.43
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2019
             | 
            
                +0.50 / +7.14%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.60
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2019
             | 
            
                -1.00 / -12.50%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.16
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.04
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2019
             | 
            
                +0.60 / +8.11%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.04
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.51
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.51
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2019
             | 
            
                -0.10 / -1.33%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.51
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2019
             | 
            
                -0.80 / -9.64%
             |             
            
                7.50
             |           
            
                8.20
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.81
             |                     
            
                6.60
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |