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                    Closing price on 4/15/2021
                 |  |  
    
        |           
                
                    | Open | 8.40 |  
                    | High | 8.50 |  
                    | Low | 8.20 |  
                    | Volume | 7,100 |  
                    | Split-adjusted Price | 6.09 |  
                
             | 
 |  MDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/15/2021 | -0.20 / -2.38% | 8.40 | 8.50 | 8.20 | 8.20 | 8.34 | 6.09 | 7,100 |   |  
            | 4/14/2021 | 0.00 / 0.00% | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 6.24 | 0 |   |  			
            | 4/13/2021 | -0.10 / -1.18% | 8.40 | 8.40 | 8.10 | 8.40 | 8.23 | 6.24 | 12,600 |   |  
            | 4/12/2021 | +0.20 / +2.41% | 8.00 | 8.60 | 8.00 | 8.50 | 8.35 | 6.31 | 13,800 |   |  			
            | 4/9/2021 | +0.30 / +3.75% | 8.10 | 8.30 | 8.10 | 8.30 | 8.28 | 6.16 | 33,400 |   |  
            | 4/8/2021 | +0.40 / +5.26% | 7.60 | 8.00 | 7.60 | 8.00 | 7.73 | 5.94 | 6,708 |   |  			
            | 4/7/2021 | 0.00 / 0.00% | 7.50 | 7.60 | 7.50 | 7.60 | 7.51 | 5.64 | 1,900 |   |  
            | 4/6/2021 | -0.10 / -1.30% | 7.50 | 7.60 | 7.50 | 7.60 | 7.51 | 5.64 | 7,000 |   |  			
            | 4/5/2021 | +0.10 / +1.32% | 7.40 | 7.70 | 7.40 | 7.70 | 7.50 | 5.72 | 4,300 |   |  
            | 4/2/2021 | +0.10 / +1.33% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 5.64 | 600 |   |  			
            | 4/1/2021 | +0.10 / +1.35% | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | 5.57 | 100 |   |  
            | 3/31/2021 | -0.20 / -2.63% | 7.30 | 7.50 | 7.30 | 7.40 | 7.40 | 5.49 | 4,300 |   |  			
            | 3/30/2021 | 0.00 / 0.00% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 5.64 | 400 |   |  
            | 3/29/2021 | -0.20 / -2.56% | 7.70 | 7.70 | 7.20 | 7.60 | 7.24 | 5.64 | 3,000 |   |  			
            | 3/26/2021 | 0.00 / 0.00% | 7.20 | 7.80 | 7.10 | 7.80 | 7.23 | 5.79 | 1,700 |   |  
            | 3/25/2021 | +0.20 / +2.63% | 7.10 | 7.80 | 7.00 | 7.80 | 7.08 | 5.79 | 1,500 |   |  			
            | 3/24/2021 | 0.00 / 0.00% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 5.64 | 500 |   |  
            | 3/23/2021 | +0.30 / +4.11% | 7.30 | 7.60 | 7.30 | 7.60 | 7.32 | 5.64 | 1,500 |   |  			
            | 3/22/2021 | +0.10 / +1.39% | 7.30 | 7.30 | 7.30 | 7.30 | 7.30 | 5.42 | 1,300 |   |  
            | 3/19/2021 | +0.30 / +4.35% | 7.10 | 7.20 | 7.10 | 7.20 | 7.11 | 5.34 | 5,500 |   |  			
            | 3/18/2021 | -0.20 / -2.82% | 7.00 | 7.00 | 6.90 | 6.90 | 6.94 | 5.12 | 5,800 |   |  
            | 3/17/2021 | -0.10 / -1.39% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 5.27 | 3,200 |   |  			
            | 3/16/2021 | 0.00 / 0.00% | 7.10 | 7.20 | 7.10 | 7.20 | 7.18 | 5.34 | 2,565 |   |  
            | 3/15/2021 | 0.00 / 0.00% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 5.34 | 0 |   |  			
            | 3/12/2021 | -0.10 / -1.37% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 5.34 | 300 |   |  
            | 3/11/2021 | +0.10 / +1.39% | 7.20 | 7.30 | 7.20 | 7.30 | 7.22 | 5.42 | 4,200 |   |  			
            | 3/10/2021 | 0.00 / 0.00% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 5.34 | 2,300 |   |  
            | 3/9/2021 | 0.00 / 0.00% | 7.10 | 7.20 | 7.10 | 7.20 | 7.17 | 5.34 | 1,200 |   |  			
            | 3/8/2021 | +0.30 / +4.35% | 7.40 | 7.40 | 7.00 | 7.20 | 7.16 | 5.34 | 5,400 |   |  
            | 3/5/2021 | 0.00 / 0.00% | 7.40 | 7.40 | 6.90 | 6.90 | 7.01 | 5.12 | 2,200 |   |  |