| 
                 
                    Closing price on 3/9/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.70 | 
                 
                
                    | High | 
                    12.70 | 
                 
                
                    | Low | 
                    11.10 | 
                     
                
                    | Volume | 
                    327,100 | 
                                 
                
                    | Split-adjusted Price | 
                    12.05 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/9/2021
             | 
            
                +1.30 / +11.71%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                11.10
             |                           
            
                12.40
             | 
            
                11.85
             |                     
            
                12.05
             |                                 
            
                327,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2021
             | 
            
                +0.50 / +4.76%
             |             
            
                11.60
             |           
            
                11.70
             |               
            
                10.60
             |                           
            
                11.00
             | 
            
                11.07
             |                     
            
                10.69
             |                                 
            
                67,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2021
             | 
            
                -0.10 / -0.93%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.20
             |                           
            
                10.60
             | 
            
                10.45
             |                     
            
                10.30
             |                                 
            
                11,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                -0.50 / -4.55%
             |             
            
                11.30
             |           
            
                11.30
             |               
            
                10.40
             |                           
            
                10.50
             | 
            
                10.72
             |                     
            
                10.20
             |                                 
            
                41,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                +0.10 / +0.93%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                10.70
             |                           
            
                10.90
             | 
            
                10.98
             |                     
            
                10.59
             |                                 
            
                38,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                -0.40 / -3.64%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.79
             |                     
            
                10.30
             |                                 
            
                22,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                -0.20 / -1.82%
             |             
            
                11.00
             |           
            
                11.90
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                11.00
             |                     
            
                10.49
             |                                 
            
                41,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                -1.10 / -9.17%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.98
             |                     
            
                10.59
             |                                 
            
                47,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.03
             |                     
            
                11.66
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.40 / -3.23%
             |             
            
                12.40
             |           
            
                13.00
             |               
            
                11.70
             |                           
            
                12.00
             | 
            
                12.03
             |                     
            
                11.66
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                -0.50 / -4.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.38
             |                     
            
                11.66
             |                                 
            
                24,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                13.90
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.48
             |                     
            
                11.75
             |                                 
            
                56,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                +0.20 / +1.64%
             |             
            
                12.20
             |           
            
                12.50
             |               
            
                10.80
             |                           
            
                12.40
             | 
            
                12.08
             |                     
            
                12.05
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                -1.00 / -8.06%
             |             
            
                12.50
             |           
            
                13.50
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                12.17
             |                     
            
                11.07
             |                                 
            
                6,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2021
             | 
            
                -0.30 / -2.36%
             |             
            
                12.40
             |           
            
                12.50
             |               
            
                12.00
             |                           
            
                12.40
             | 
            
                12.37
             |                     
            
                12.05
             |                                 
            
                31,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2021
             | 
            
                +0.30 / +2.46%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.69
             |                     
            
                12.14
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2021
             | 
            
                +1.00 / +8.85%
             |             
            
                12.20
             |           
            
                12.30
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.24
             |                     
            
                11.95
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2021
             | 
            
                +1.70 / +13.49%
             |             
            
                12.30
             |           
            
                14.30
             |               
            
                10.80
             |                           
            
                14.30
             | 
            
                11.34
             |                     
            
                13.89
             |                                 
            
                148,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2021
             | 
            
                -0.50 / -3.88%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                12.30
             |                           
            
                12.40
             | 
            
                12.59
             |                     
            
                12.05
             |                                 
            
                12,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2021
             | 
            
                -1.50 / -10.79%
             |             
            
                12.10
             |           
            
                14.30
             |               
            
                12.10
             |                           
            
                12.40
             | 
            
                12.93
             |                     
            
                12.05
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2021
             | 
            
                -0.10 / -0.74%
             |             
            
                12.60
             |           
            
                14.90
             |               
            
                12.60
             |                           
            
                13.50
             | 
            
                13.88
             |                     
            
                13.11
             |                                 
            
                12,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2021
             | 
            
                -0.30 / -2.11%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                12.70
             |                           
            
                13.90
             | 
            
                13.59
             |                     
            
                13.50
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2021
             | 
            
                +0.50 / +3.57%
             |             
            
                14.50
             |           
            
                16.10
             |               
            
                12.10
             |                           
            
                14.50
             | 
            
                14.20
             |                     
            
                14.09
             |                                 
            
                36,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2021
             | 
            
                +0.90 / +6.38%
             |             
            
                14.10
             |           
            
                15.00
             |               
            
                12.10
             |                           
            
                15.00
             | 
            
                14.01
             |                     
            
                14.57
             |                                 
            
                28,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2021
             | 
            
                +1.80 / +14.40%
             |             
            
                12.50
             |           
            
                14.30
             |               
            
                12.50
             |                           
            
                14.30
             | 
            
                14.09
             |                     
            
                13.89
             |                                 
            
                150,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2021
             | 
            
                +1.70 / +14.41%
             |             
            
                11.80
             |           
            
                13.50
             |               
            
                11.80
             |                           
            
                13.50
             | 
            
                12.52
             |                     
            
                13.11
             |                                 
            
                52,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2021
             | 
            
                +1.60 / +14.29%
             |             
            
                11.20
             |           
            
                12.80
             |               
            
                10.70
             |                           
            
                12.80
             | 
            
                11.75
             |                     
            
                12.43
             |                                 
            
                50,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2021
             | 
            
                +1.40 / +14.29%
             |             
            
                10.50
             |           
            
                11.20
             |               
            
                10.50
             |                           
            
                11.20
             | 
            
                11.18
             |                     
            
                10.88
             |                                 
            
                23,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2021
             | 
            
                +1.10 / +12.09%
             |             
            
                8.30
             |           
            
                10.30
             |               
            
                8.30
             |                           
            
                10.20
             | 
            
                9.80
             |                     
            
                9.91
             |                                 
            
                13,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                10.50
             |               
            
                8.30
             |                           
            
                9.50
             | 
            
                9.08
             |                     
            
                9.23
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |