| 
                 
                    Closing price on 5/19/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.20 | 
                 
                
                    | High | 
                    11.30 | 
                 
                
                    | Low | 
                    11.20 | 
                     
                
                    | Volume | 
                    5,100 | 
                                 
                
                    | Split-adjusted Price | 
                    9.77 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
XMC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/19/2022
             | 
            
                0.00 / 0.00%
             |             
            
                11.20
             |           
            
                11.30
             |               
            
                11.20
             |                           
            
                11.20
             | 
            
                11.30
             |                     
            
                9.77
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2022
             | 
            
                +0.60 / +5.56%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.00
             |                           
            
                11.40
             | 
            
                11.20
             |                     
            
                9.94
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2022
             | 
            
                +0.50 / +4.55%
             |             
            
                11.00
             |           
            
                11.50
             |               
            
                10.40
             |                           
            
                11.50
             | 
            
                10.80
             |                     
            
                10.03
             |                                 
            
                9,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2022
             | 
            
                +0.50 / +4.76%
             |             
            
                10.90
             |           
            
                11.50
             |               
            
                10.90
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                9.59
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2022
             | 
            
                -0.90 / -8.04%
             |             
            
                11.20
             |           
            
                11.20
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.50
             |                     
            
                8.98
             |                                 
            
                25,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2022
             | 
            
                -1.10 / -9.09%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.20
             |                     
            
                9.59
             |                                 
            
                20,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2022
             | 
            
                +0.50 / +4.42%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                12.10
             |                     
            
                10.29
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2022
             | 
            
                0.00 / 0.00%
             |             
            
                11.20
             |           
            
                11.60
             |               
            
                10.50
             |                           
            
                11.50
             | 
            
                11.30
             |                     
            
                10.03
             |                                 
            
                26,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2022
             | 
            
                -1.60 / -12.50%
             |             
            
                12.10
             |           
            
                12.10
             |               
            
                11.10
             |                           
            
                11.20
             | 
            
                11.50
             |                     
            
                9.77
             |                                 
            
                38,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2022
             | 
            
                +0.30 / +2.38%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.50
             |                           
            
                12.90
             | 
            
                12.80
             |                     
            
                11.25
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2022
             | 
            
                -0.40 / -3.08%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                10.99
             |                                 
            
                23,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                11.34
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.90
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                11.34
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2022
             | 
            
                +0.30 / +2.36%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.90
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                11.34
             |                                 
            
                7,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2022
             | 
            
                +0.20 / +1.60%
             |             
            
                12.50
             |           
            
                12.80
             |               
            
                12.40
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                11.08
             |                                 
            
                14,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2022
             | 
            
                +0.10 / +0.80%
             |             
            
                12.50
             |           
            
                12.70
             |               
            
                12.40
             |                           
            
                12.60
             | 
            
                12.50
             |                     
            
                10.99
             |                                 
            
                22,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2022
             | 
            
                -0.30 / -2.34%
             |             
            
                12.60
             |           
            
                12.80
             |               
            
                12.10
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                10.90
             |                                 
            
                74,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2022
             | 
            
                +0.20 / +1.56%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.60
             |                           
            
                13.00
             | 
            
                12.80
             |                     
            
                11.34
             |                                 
            
                23,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2022
             | 
            
                -0.20 / -1.54%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                12.50
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                11.16
             |                                 
            
                37,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2022
             | 
            
                +0.50 / +3.88%
             |             
            
                12.90
             |           
            
                13.70
             |               
            
                12.50
             |                           
            
                13.40
             | 
            
                13.00
             |                     
            
                11.69
             |                                 
            
                42,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2022
             | 
            
                -0.10 / -0.76%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                12.60
             |                           
            
                13.00
             | 
            
                12.90
             |                     
            
                11.34
             |                                 
            
                51,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2022
             | 
            
                -0.70 / -5.11%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.10
             |                     
            
                11.34
             |                                 
            
                18,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2022
             | 
            
                -0.10 / -0.73%
             |             
            
                13.60
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                13.60
             | 
            
                13.70
             |                     
            
                11.86
             |                                 
            
                41,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.70
             |           
            
                13.90
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.70
             |                     
            
                12.03
             |                                 
            
                26,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.40
             |                           
            
                13.90
             | 
            
                13.80
             |                     
            
                12.12
             |                                 
            
                24,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2022
             | 
            
                -0.80 / -5.56%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                13.90
             |                     
            
                11.86
             |                                 
            
                26,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2022
             | 
            
                -0.40 / -2.72%
             |             
            
                14.60
             |           
            
                14.70
             |               
            
                14.10
             |                           
            
                14.30
             | 
            
                14.40
             |                     
            
                12.47
             |                                 
            
                32,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2022
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.90
             |               
            
                14.50
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                12.82
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2022
             | 
            
                -0.20 / -1.33%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                14.80
             | 
            
                14.70
             |                     
            
                12.91
             |                                 
            
                45,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2022
             | 
            
                +0.10 / +0.67%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                14.90
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                13.08
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |