| 
    
        
            | 
                    Closing price on 7/24/2019
                 |  |  
    
        |           
                
                    | Open | 1.60 |  
                    | High | 1.60 |  
                    | Low | 1.50 |  
                    | Volume | 20,300 |  
                    | Split-adjusted Price | 1.60 |  
                
             | 
 |  SDP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/24/2019 | 0.00 / 0.00% | 1.60 | 1.60 | 1.50 | 1.60 | 1.52 | 1.60 | 20,300 |   |  
            | 7/23/2019 | -0.10 / -5.88% | 1.70 | 1.70 | 1.60 | 1.60 | 1.61 | 1.60 | 21,700 |   |  			
            | 7/22/2019 | +0.10 / +6.25% | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 11,500 |   |  
            | 7/19/2019 | +0.10 / +6.25% | 1.60 | 1.70 | 1.60 | 1.70 | 1.62 | 1.70 | 45,800 |   |  			
            | 7/18/2019 | -0.20 / -11.11% | 1.70 | 1.70 | 1.60 | 1.60 | 1.61 | 1.60 | 163,100 |   |  
            | 7/17/2019 | 0.00 / 0.00% | 1.70 | 1.90 | 1.70 | 1.80 | 1.75 | 1.80 | 553,500 |   |  			
            | 7/16/2019 | -0.10 / -5.26% | 1.80 | 1.90 | 1.70 | 1.80 | 1.73 | 1.80 | 73,700 |   |  
            | 7/15/2019 | -0.10 / -5.00% | 2.00 | 2.30 | 1.80 | 1.90 | 2.04 | 1.90 | 131,500 |   |  			
            | 7/12/2019 | +0.20 / +11.11% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 152,600 |   |  
            | 7/11/2019 | +0.20 / +12.50% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 53,800 |   |  			
            | 7/10/2019 | +0.20 / +14.29% | 1.60 | 1.60 | 1.50 | 1.60 | 1.57 | 1.60 | 74,000 |   |  
            | 7/9/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 2,000 |   |  			
            | 7/8/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 19,900 |   |  
            | 7/5/2019 | 0.00 / 0.00% | 1.30 | 1.50 | 1.30 | 1.40 | 1.44 | 1.40 | 9,300 |   |  			
            | 7/4/2019 | 0.00 / 0.00% | 1.40 | 1.50 | 1.30 | 1.40 | 1.40 | 1.40 | 21,800 |   |  
            | 7/3/2019 | -0.20 / -12.50% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 109,700 |   |  			
            | 7/2/2019 | 0.00 / 0.00% | 1.60 | 1.70 | 1.60 | 1.60 | 1.60 | 1.60 | 12,400 |   |  
            | 7/1/2019 | -0.20 / -11.11% | 1.80 | 1.80 | 1.60 | 1.60 | 1.65 | 1.60 | 22,700 |   |  			
            | 6/28/2019 | +0.10 / +6.25% | 1.80 | 1.80 | 1.70 | 1.70 | 1.76 | 1.70 | 302,100 |   |  
            | 6/27/2019 | +0.20 / +14.29% | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 100 |   |  			
            | 6/26/2019 | +0.10 / +7.69% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 100 |   |  
            | 6/25/2019 | +0.10 / +8.33% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 26,500 |   |  			
            | 6/24/2019 | 0.00 / 0.00% | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1,000 |   |  
            | 6/21/2019 | 0.00 / 0.00% | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 9,000 |   |  			
            | 6/20/2019 | 0.00 / 0.00% | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 24,200 |   |  
            | 6/19/2019 | -0.10 / -7.69% | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 12,600 |   |  			
            | 6/18/2019 | 0.00 / 0.00% | 1.20 | 1.30 | 1.20 | 1.30 | 1.20 | 1.30 | 141,200 |   |  
            | 6/17/2019 | -0.10 / -7.14% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 3,400 |   |  			
            | 6/14/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 0 |   |  
            | 6/13/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 0 |   |  |