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                    Closing price on 2/17/2021
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        |           
                
                    | Open | 7.40 |  
                    | High | 7.40 |  
                    | Low | 7.40 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 5.49 |  
                
             | 
 |  MDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/17/2021 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.49 | 0 |   |  
            | 2/9/2021 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.49 | 0 |   |  			
            | 2/8/2021 | +0.40 / +5.71% | 6.90 | 7.40 | 6.80 | 7.40 | 6.86 | 5.49 | 4,100 |   |  
            | 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 |   |  |