| 
    
        
            | 
                    Closing price on 9/3/2019
                 |  |  
    
        |           
                
                    | Open | 45.00 |  
                    | High | 46.00 |  
                    | Low | 44.50 |  
                    | Volume | 300 |  
                    | Split-adjusted Price | 42.19 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/3/2019 | +0.20 / +0.45% | 45.00 | 46.00 | 44.50 | 44.50 | 45.17 | 42.19 | 300 |   |  
            | 8/30/2019 | +0.30 / +0.68% | 44.00 | 44.50 | 44.00 | 44.30 | 44.14 | 42.00 | 6,000 |   |  			
            | 8/29/2019 | 0.00 / 0.00% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 41.72 | 2,600 |   |  
            | 8/28/2019 | -1.40 / -3.08% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 41.72 | 100 |   |  			
            | 8/27/2019 | 0.00 / 0.00% | 45.40 | 45.40 | 45.40 | 45.40 | 45.40 | 43.04 | 0 |   |  
            | 8/26/2019 | +0.40 / +0.89% | 45.40 | 45.40 | 45.40 | 45.40 | 45.40 | 43.04 | 100 |   |  			
            | 8/23/2019 | +1.80 / +4.17% | 45.00 | 45.00 | 45.00 | 45.00 | 45.00 | 42.66 | 100 |   |  
            | 8/22/2019 | +0.20 / +0.47% | 43.20 | 43.20 | 43.20 | 43.20 | 43.20 | 40.96 | 200 |   |  			
            | 8/21/2019 | +0.40 / +0.94% | 46.80 | 46.80 | 43.00 | 43.00 | 45.20 | 40.77 | 1,100 |   |  
            | 8/20/2019 | 0.00 / 0.00% | 42.60 | 42.60 | 42.60 | 42.60 | 42.60 | 40.39 | 100 |   |  			
            | 8/19/2019 | -0.40 / -0.93% | 42.60 | 42.60 | 42.60 | 42.60 | 42.60 | 40.39 | 1,010 |   |  
            | 8/16/2019 | +1.90 / +4.62% | 42.00 | 43.00 | 42.00 | 43.00 | 42.25 | 40.77 | 800 |   |  			
            | 8/15/2019 | -1.90 / -4.42% | 42.50 | 43.00 | 41.10 | 41.10 | 42.78 | 38.97 | 1,300 |   |  
            | 8/14/2019 | +2.50 / +6.17% | 42.50 | 43.00 | 42.50 | 43.00 | 42.72 | 40.77 | 2,300 |   |  			
            | 8/13/2019 | -3.10 / -7.11% | 40.50 | 40.50 | 40.50 | 40.50 | 40.50 | 38.40 | 300 |   |  
            | 8/12/2019 | -0.40 / -0.91% | 43.60 | 43.60 | 43.60 | 43.60 | 43.60 | 41.34 | 400 |   |  			
            | 8/9/2019 | 0.00 / 0.00% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 41.72 | 500 |   |  
            | 8/8/2019 | -0.30 / -0.68% | 44.50 | 44.50 | 44.00 | 44.00 | 44.45 | 41.72 | 1,100 |   |  			
            | 8/7/2019 | 0.00 / 0.00% | 44.30 | 44.30 | 44.30 | 44.30 | 44.30 | 42.00 | 200 |   |  
            | 8/6/2019 | 0.00 / 0.00% | 44.30 | 44.30 | 44.30 | 44.30 | 44.30 | 42.00 | 0 |   |  			
            | 8/5/2019 | 0.00 / 0.00% | 44.30 | 44.30 | 44.30 | 44.30 | 44.30 | 42.00 | 0 |   |  
            | 8/2/2019 | -0.40 / -0.89% | 44.40 | 44.40 | 44.20 | 44.30 | 44.33 | 42.00 | 800 |   |  			
            | 8/1/2019 | +0.60 / +1.36% | 44.10 | 44.70 | 44.00 | 44.70 | 44.25 | 42.38 | 1,500 |   |  
            | 7/31/2019 | +0.10 / +0.23% | 44.00 | 44.50 | 43.60 | 44.10 | 43.95 | 41.81 | 9,000 |   |  			
            | 7/30/2019 | +0.20 / +0.46% | 43.80 | 44.00 | 43.80 | 44.00 | 43.83 | 41.72 | 1,800 |   |  
            | 7/29/2019 | +0.20 / +0.46% | 43.80 | 44.00 | 43.70 | 43.80 | 43.74 | 41.53 | 1,600 |   |  			
            | 7/26/2019 | 0.00 / 0.00% | 43.60 | 43.60 | 43.60 | 43.60 | 43.60 | 41.34 | 0 |   |  
            | 7/25/2019 | -0.50 / -1.13% | 44.10 | 44.10 | 43.60 | 43.60 | 44.00 | 41.34 | 1,500 |   |  			
            | 7/24/2019 | 0.00 / 0.00% | 44.10 | 44.10 | 44.10 | 44.10 | 44.10 | 41.81 | 100 |   |  
            | 7/23/2019 | 0.00 / 0.00% | 44.10 | 44.10 | 44.10 | 44.10 | 44.10 | 41.81 | 0 |   |  |