| 
                 
                    Closing price on 9/24/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.60 | 
                 
                
                    | High | 
                    5.70 | 
                 
                
                    | Low | 
                    5.60 | 
                     
                
                    | Volume | 
                    1,580 | 
                                 
                
                    | Split-adjusted Price | 
                    3.93 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SGT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/24/2019
             | 
            
                +0.06 / +1.06%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                3.93
             |                                 
            
                1,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2019
             | 
            
                +0.02 / +0.36%
             |             
            
                5.89
             |           
            
                5.89
             |               
            
                5.64
             |                           
            
                5.64
             | 
            
                5.77
             |                     
            
                3.88
             |                                 
            
                570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.97
             |           
            
                5.97
             |               
            
                5.62
             |                           
            
                5.62
             | 
            
                5.78
             |                     
            
                3.87
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2019
             | 
            
                -0.37 / -6.18%
             |             
            
                5.90
             |           
            
                5.97
             |               
            
                5.62
             |                           
            
                5.62
             | 
            
                5.81
             |                     
            
                3.87
             |                                 
            
                4,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2019
             | 
            
                +0.23 / +3.99%
             |             
            
                5.65
             |           
            
                5.99
             |               
            
                5.65
             |                           
            
                5.99
             | 
            
                5.82
             |                     
            
                4.13
             |                                 
            
                710
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2019
             | 
            
                -0.34 / -5.57%
             |             
            
                5.77
             |           
            
                6.10
             |               
            
                5.75
             |                           
            
                5.76
             | 
            
                5.76
             |                     
            
                3.97
             |                                 
            
                3,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2019
             | 
            
                +0.10 / +1.67%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.20
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2019
             | 
            
                +0.01 / +0.17%
             |             
            
                5.99
             |           
            
                6.39
             |               
            
                5.99
             |                           
            
                6.00
             | 
            
                6.09
             |                     
            
                4.13
             |                                 
            
                760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2019
             | 
            
                +0.23 / +3.99%
             |             
            
                6.00
             |           
            
                6.05
             |               
            
                5.99
             |                           
            
                5.99
             | 
            
                6.02
             |                     
            
                4.13
             |                                 
            
                2,160
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2019
             | 
            
                -0.42 / -6.80%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.76
             |                           
            
                5.76
             | 
            
                5.83
             |                     
            
                3.97
             |                                 
            
                8,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2019
             | 
            
                +0.18 / +3.00%
             |             
            
                6.25
             |           
            
                6.25
             |               
            
                5.80
             |                           
            
                6.18
             | 
            
                5.95
             |                     
            
                4.26
             |                                 
            
                25,710
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2019
             | 
            
                -0.45 / -6.98%
             |             
            
                6.42
             |           
            
                6.42
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.21
             |                     
            
                4.13
             |                                 
            
                150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2019
             | 
            
                +0.19 / +3.04%
             |             
            
                6.45
             |           
            
                6.45
             |               
            
                6.45
             |                           
            
                6.45
             | 
            
                6.45
             |                     
            
                4.44
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2019
             | 
            
                +0.11 / +1.79%
             |             
            
                6.39
             |           
            
                6.39
             |               
            
                5.80
             |                           
            
                6.26
             | 
            
                5.91
             |                     
            
                4.31
             |                                 
            
                10,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2019
             | 
            
                -0.20 / -3.15%
             |             
            
                6.34
             |           
            
                6.35
             |               
            
                6.15
             |                           
            
                6.15
             | 
            
                6.34
             |                     
            
                4.24
             |                                 
            
                2,680
             |            
            
                 
             |                                       
         
    
        
            | 
                9/3/2019
             | 
            
                +0.33 / +5.48%
             |             
            
                6.44
             |           
            
                6.44
             |               
            
                6.20
             |                           
            
                6.35
             | 
            
                6.33
             |                     
            
                4.37
             |                                 
            
                5,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2019
             | 
            
                -0.28 / -4.44%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.01
             |                           
            
                6.02
             | 
            
                6.09
             |                     
            
                4.15
             |                                 
            
                4,930
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2019
             | 
            
                +0.21 / +3.45%
             |             
            
                6.00
             |           
            
                6.50
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.18
             |                     
            
                4.34
             |                                 
            
                8,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2019
             | 
            
                -0.01 / -0.16%
             |             
            
                6.09
             |           
            
                6.09
             |               
            
                6.09
             |                           
            
                6.09
             | 
            
                6.09
             |                     
            
                4.19
             |                                 
            
                250
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.08
             |                     
            
                4.20
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2019
             | 
            
                -0.12 / -1.93%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.10
             | 
            
                6.05
             |                     
            
                4.20
             |                                 
            
                2,110
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2019
             | 
            
                -0.08 / -1.27%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                5.86
             |                           
            
                6.22
             | 
            
                5.94
             |                     
            
                4.28
             |                                 
            
                25,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2019
             | 
            
                -0.09 / -1.41%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                4.34
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.39
             |           
            
                6.39
             |               
            
                6.39
             |                           
            
                6.39
             | 
            
                6.39
             |                     
            
                4.40
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2019
             | 
            
                -0.06 / -0.93%
             |             
            
                6.44
             |           
            
                6.44
             |               
            
                6.10
             |                           
            
                6.39
             | 
            
                6.33
             |                     
            
                4.40
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.49
             |           
            
                6.49
             |               
            
                6.45
             |                           
            
                6.45
             | 
            
                6.47
             |                     
            
                4.44
             |                                 
            
                4,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2019
             | 
            
                -0.03 / -0.46%
             |             
            
                6.47
             |           
            
                6.47
             |               
            
                6.25
             |                           
            
                6.45
             | 
            
                6.41
             |                     
            
                4.44
             |                                 
            
                670
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2019
             | 
            
                -0.05 / -0.77%
             |             
            
                6.30
             |           
            
                6.59
             |               
            
                6.30
             |                           
            
                6.48
             | 
            
                6.53
             |                     
            
                4.46
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2019
             | 
            
                -0.07 / -1.06%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.15
             |                           
            
                6.53
             | 
            
                6.47
             |                     
            
                4.50
             |                                 
            
                2,010
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.67
             |           
            
                6.67
             |               
            
                6.25
             |                           
            
                6.60
             | 
            
                6.55
             |                     
            
                4.55
             |                                 
            
                1,470
             |  
            
                 
             |                                                              
             
    
         
    
    
 |