| 
                 
                    Closing price on 5/17/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.90 | 
                 
                
                    | High | 
                    15.90 | 
                 
                
                    | Low | 
                    15.90 | 
                     
                
                    | Volume | 
                    300 | 
                                 
                
                    | Split-adjusted Price | 
                    15.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                15.90
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2021
             | 
            
                -0.10 / -0.63%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                15.90
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                16.00
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2021
             | 
            
                -0.80 / -4.76%
             |             
            
                16.05
             |           
            
                16.70
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.52
             |                     
            
                16.00
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2021
             | 
            
                +0.85 / +5.33%
             |             
            
                15.95
             |           
            
                16.80
             |               
            
                15.95
             |                           
            
                16.80
             | 
            
                16.29
             |                     
            
                16.80
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2021
             | 
            
                -0.95 / -5.62%
             |             
            
                16.00
             |           
            
                16.10
             |               
            
                15.90
             |                           
            
                15.95
             | 
            
                15.98
             |                     
            
                15.95
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2021
             | 
            
                +0.10 / +0.60%
             |             
            
                16.05
             |           
            
                16.90
             |               
            
                16.00
             |                           
            
                16.90
             | 
            
                16.06
             |                     
            
                16.90
             |                                 
            
                9,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2021
             | 
            
                +0.60 / +3.70%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.25
             |                           
            
                16.80
             | 
            
                16.70
             |                     
            
                16.80
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2021
             | 
            
                -0.70 / -4.14%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.00
             |                           
            
                16.20
             | 
            
                16.28
             |                     
            
                16.20
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2021
             | 
            
                +0.20 / +1.20%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                16.83
             |                     
            
                16.90
             |                                 
            
                15,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.65
             |           
            
                16.70
             |               
            
                16.65
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                16.70
             |                                 
            
                8,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2021
             | 
            
                +0.10 / +0.60%
             |             
            
                15.80
             |           
            
                16.70
             |               
            
                15.80
             |                           
            
                16.70
             | 
            
                16.13
             |                     
            
                16.70
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2021
             | 
            
                -0.10 / -0.60%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                16.00
             |                           
            
                16.60
             | 
            
                16.56
             |                     
            
                16.60
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2021
             | 
            
                -0.20 / -1.18%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.30
             |                           
            
                16.70
             | 
            
                16.63
             |                     
            
                16.70
             |                                 
            
                19,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2021
             | 
            
                -0.10 / -0.59%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.60
             |                           
            
                16.90
             | 
            
                16.83
             |                     
            
                16.90
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2021
             | 
            
                +0.10 / +0.59%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                16.90
             |                           
            
                17.00
             | 
            
                17.42
             |                     
            
                17.00
             |                                 
            
                60,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2021
             | 
            
                +1.10 / +6.96%
             |             
            
                16.20
             |           
            
                16.90
             |               
            
                16.00
             |                           
            
                16.90
             | 
            
                16.59
             |                     
            
                16.90
             |                                 
            
                56,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2021
             | 
            
                +0.30 / +1.94%
             |             
            
                15.50
             |           
            
                16.20
             |               
            
                15.50
             |                           
            
                15.80
             | 
            
                15.91
             |                     
            
                15.80
             |                                 
            
                38,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.20
             |                           
            
                15.50
             | 
            
                15.61
             |                     
            
                15.50
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2021
             | 
            
                -0.10 / -0.64%
             |             
            
                15.60
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.66
             |                     
            
                15.50
             |                                 
            
                17,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2021
             | 
            
                -0.05 / -0.32%
             |             
            
                15.50
             |           
            
                15.60
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                15.60
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.65
             |                           
            
                15.65
             | 
            
                15.69
             |                     
            
                15.65
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2021
             | 
            
                +0.05 / +0.32%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.65
             | 
            
                15.61
             |                     
            
                15.65
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2021
             | 
            
                -0.10 / -0.64%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.64
             |                     
            
                15.60
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.95
             |           
            
                15.95
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.71
             |                     
            
                15.70
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2021
             | 
            
                +0.10 / +0.64%
             |             
            
                15.60
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.70
             | 
            
                15.61
             |                     
            
                15.70
             |                                 
            
                19,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2021
             | 
            
                +0.15 / +0.97%
             |             
            
                15.65
             |           
            
                15.65
             |               
            
                15.45
             |                           
            
                15.60
             | 
            
                15.45
             |                     
            
                15.60
             |                                 
            
                8,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2021
             | 
            
                -0.30 / -1.90%
             |             
            
                15.55
             |           
            
                15.60
             |               
            
                15.10
             |                           
            
                15.45
             | 
            
                15.37
             |                     
            
                15.45
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2021
             | 
            
                +0.15 / +0.96%
             |             
            
                15.60
             |           
            
                15.75
             |               
            
                15.55
             |                           
            
                15.75
             | 
            
                15.65
             |                     
            
                15.75
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2021
             | 
            
                -0.15 / -0.95%
             |             
            
                15.60
             |           
            
                15.75
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.57
             |                     
            
                15.60
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |