| 
                 
                    Closing price on 12/15/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.60 | 
                 
                
                    | High | 
                    12.00 | 
                 
                
                    | Low | 
                    11.60 | 
                     
                
                    | Volume | 
                    11,500 | 
                                 
                
                    | Split-adjusted Price | 
                    8.13 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ST8 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                11.60
             |           
            
                12.00
             |               
            
                11.60
             |                           
            
                11.90
             | 
            
                12.00
             |                     
            
                8.13
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2021
             | 
            
                +0.10 / +0.85%
             |             
            
                11.80
             |           
            
                12.10
             |               
            
                11.80
             |                           
            
                11.90
             | 
            
                12.00
             |                     
            
                8.13
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2021
             | 
            
                +0.10 / +0.85%
             |             
            
                11.85
             |           
            
                11.85
             |               
            
                11.60
             |                           
            
                11.80
             | 
            
                11.78
             |                     
            
                8.06
             |                                 
            
                6,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2021
             | 
            
                +0.10 / +0.86%
             |             
            
                12.10
             |           
            
                12.10
             |               
            
                11.50
             |                           
            
                11.70
             | 
            
                12.00
             |                     
            
                8.00
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2021
             | 
            
                +0.10 / +0.87%
             |             
            
                11.95
             |           
            
                11.95
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.95
             |                     
            
                7.93
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2021
             | 
            
                -0.50 / -4.17%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                7.86
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2021
             | 
            
                +0.50 / +4.35%
             |             
            
                11.50
             |           
            
                12.30
             |               
            
                11.50
             |                           
            
                12.00
             | 
            
                12.06
             |                     
            
                8.20
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2021
             | 
            
                -0.30 / -2.54%
             |             
            
                11.70
             |           
            
                11.75
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.75
             |                     
            
                7.86
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2021
             | 
            
                -0.15 / -1.26%
             |             
            
                11.80
             |           
            
                11.90
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                8.06
             |                                 
            
                6,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2021
             | 
            
                +0.05 / +0.42%
             |             
            
                11.50
             |           
            
                12.00
             |               
            
                11.40
             |                           
            
                11.95
             | 
            
                11.67
             |                     
            
                8.17
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2021
             | 
            
                +0.30 / +2.59%
             |             
            
                11.60
             |           
            
                11.90
             |               
            
                11.20
             |                           
            
                11.90
             | 
            
                11.78
             |                     
            
                8.13
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2021
             | 
            
                +0.50 / +4.50%
             |             
            
                11.10
             |           
            
                11.60
             |               
            
                11.00
             |                           
            
                11.60
             | 
            
                11.26
             |                     
            
                7.93
             |                                 
            
                12,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2021
             | 
            
                -0.30 / -2.63%
             |             
            
                11.10
             |           
            
                11.50
             |               
            
                11.00
             |                           
            
                11.10
             | 
            
                11.11
             |                     
            
                7.59
             |                                 
            
                5,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2021
             | 
            
                -0.10 / -0.87%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.43
             |                     
            
                7.79
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2021
             | 
            
                -0.10 / -0.86%
             |             
            
                11.00
             |           
            
                12.00
             |               
            
                11.00
             |                           
            
                11.50
             | 
            
                11.58
             |                     
            
                7.86
             |                                 
            
                10,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2021
             | 
            
                -0.20 / -1.69%
             |             
            
                11.70
             |           
            
                11.80
             |               
            
                11.10
             |                           
            
                11.60
             | 
            
                11.48
             |                     
            
                7.93
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2021
             | 
            
                -0.20 / -1.67%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                11.50
             |                           
            
                11.80
             | 
            
                11.67
             |                     
            
                8.06
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2021
             | 
            
                +0.30 / +2.56%
             |             
            
                11.70
             |           
            
                12.00
             |               
            
                11.70
             |                           
            
                12.00
             | 
            
                11.76
             |                     
            
                8.20
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2021
             | 
            
                -0.50 / -4.10%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                11.35
             |                           
            
                11.70
             | 
            
                11.80
             |                     
            
                8.00
             |                                 
            
                19,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2021
             | 
            
                -0.30 / -2.40%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                11.80
             |                           
            
                12.20
             | 
            
                12.08
             |                     
            
                8.34
             |                                 
            
                16,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2021
             | 
            
                -0.50 / -3.85%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.10
             |                           
            
                12.50
             | 
            
                12.23
             |                     
            
                8.54
             |                                 
            
                14,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2021
             | 
            
                -0.80 / -5.80%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.90
             |                           
            
                13.00
             | 
            
                12.96
             |                     
            
                8.88
             |                                 
            
                14,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2021
             | 
            
                +0.90 / +6.98%
             |             
            
                13.60
             |           
            
                13.80
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.76
             |                     
            
                9.43
             |                                 
            
                39,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2021
             | 
            
                +0.85 / +6.72%
             |             
            
                12.50
             |           
            
                13.50
             |               
            
                12.50
             |                           
            
                13.50
             | 
            
                13.21
             |                     
            
                8.82
             |                                 
            
                53,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2021
             | 
            
                -0.15 / -1.17%
             |             
            
                12.95
             |           
            
                12.95
             |               
            
                12.50
             |                           
            
                12.65
             | 
            
                12.75
             |                     
            
                8.26
             |                                 
            
                14,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2021
             | 
            
                +0.20 / +1.59%
             |             
            
                12.60
             |           
            
                12.95
             |               
            
                12.40
             |                           
            
                12.80
             | 
            
                12.84
             |                     
            
                8.36
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2021
             | 
            
                +0.10 / +0.80%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.63
             |                     
            
                8.23
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2021
             | 
            
                +0.20 / +1.63%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.40
             |                           
            
                12.50
             | 
            
                12.75
             |                     
            
                8.16
             |                                 
            
                34,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2021
             | 
            
                +0.80 / +6.96%
             |             
            
                11.60
             |           
            
                12.30
             |               
            
                11.60
             |                           
            
                12.30
             | 
            
                12.24
             |                     
            
                8.03
             |                                 
            
                13,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2021
             | 
            
                +0.25 / +2.22%
             |             
            
                11.40
             |           
            
                11.50
             |               
            
                11.30
             |                           
            
                11.50
             | 
            
                11.37
             |                     
            
                7.51
             |                                 
            
                8,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |