| 
                 
                    Closing price on 2/5/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.20 | 
                 
                
                    | High | 
                    7.20 | 
                 
                
                    | Low | 
                    6.90 | 
                     
                
                    | Volume | 
                    7,100 | 
                                 
                
                    | Split-adjusted Price | 
                    5.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/5/2021
             | 
            
                -0.10 / -1.41%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.20
             |                                 
            
                7,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.27
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.27
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2021
             | 
            
                +0.30 / +4.41%
             |             
            
                6.50
             |           
            
                7.10
             |               
            
                6.50
             |                           
            
                7.10
             | 
            
                6.55
             |                     
            
                5.27
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2021
             | 
            
                +0.10 / +1.49%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.78
             |                     
            
                5.05
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2021
             | 
            
                +0.10 / +1.52%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.64
             |                     
            
                4.97
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2021
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2021
             | 
            
                -0.60 / -8.33%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.89
             |                     
            
                4.90
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2021
             | 
            
                +0.40 / +5.88%
             |             
            
                6.90
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                7.08
             |                     
            
                5.34
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2021
             | 
            
                -0.20 / -2.86%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2021
             | 
            
                -0.20 / -2.78%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.20
             |                                 
            
                1,853
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                5.34
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.15
             |                     
            
                5.34
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                5.34
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2021
             | 
            
                -0.10 / -1.37%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.17
             |                     
            
                5.34
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                5.42
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2021
             | 
            
                +0.20 / +2.82%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                5.42
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2021
             | 
            
                +0.30 / +4.41%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                6.91
             |                     
            
                5.27
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2021
             | 
            
                -0.10 / -1.45%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2021
             | 
            
                +0.10 / +1.47%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                5.12
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.05
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2020
             | 
            
                -0.20 / -2.86%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.95
             |                     
            
                5.05
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2020
             | 
            
                +0.40 / +6.06%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.20
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2020
             | 
            
                +0.10 / +1.54%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.90
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |