| 
                 
                    Closing price on 12/10/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.60 | 
                 
                
                    | High | 
                    6.70 | 
                 
                
                    | Low | 
                    6.30 | 
                     
                
                    | Volume | 
                    506,700 | 
                                 
                
                    | Split-adjusted Price | 
                    6.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/10/2021
             | 
            
                -0.10 / -1.52%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.40
             |                     
            
                6.50
             |                                 
            
                506,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2021
             | 
            
                +0.10 / +1.54%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                195,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2021
             | 
            
                +0.10 / +1.56%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                220,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2021
             | 
            
                +0.10 / +1.54%
             |             
            
                6.30
             |           
            
                6.80
             |               
            
                6.20
             |                           
            
                6.60
             | 
            
                6.40
             |                     
            
                6.60
             |                                 
            
                389,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2021
             | 
            
                -0.90 / -12.50%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.50
             |                     
            
                6.30
             |                                 
            
                560,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2021
             | 
            
                +0.10 / +1.47%
             |             
            
                7.50
             |           
            
                7.80
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                7.20
             |                     
            
                6.90
             |                                 
            
                619,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2021
             | 
            
                +0.90 / +15.00%
             |             
            
                6.10
             |           
            
                6.90
             |               
            
                6.10
             |                           
            
                6.90
             | 
            
                6.77
             |                     
            
                6.90
             |                                 
            
                917,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2021
             | 
            
                +0.30 / +5.08%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                6.20
             | 
            
                6.00
             |                     
            
                6.20
             |                                 
            
                659,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2021
             | 
            
                +0.40 / +7.14%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                6.00
             | 
            
                5.90
             |                     
            
                6.00
             |                                 
            
                456,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2021
             | 
            
                +0.40 / +7.27%
             |             
            
                5.40
             |           
            
                6.00
             |               
            
                5.00
             |                           
            
                5.90
             | 
            
                5.60
             |                     
            
                5.90
             |                                 
            
                337,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2021
             | 
            
                -0.10 / -1.79%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                5.50
             |                                 
            
                362,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2021
             | 
            
                -0.20 / -3.45%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                275,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2021
             | 
            
                +0.40 / +7.55%
             |             
            
                5.60
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.80
             |                     
            
                5.70
             |                                 
            
                208,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2021
             | 
            
                -0.20 / -3.45%
             |             
            
                5.20
             |           
            
                5.70
             |               
            
                5.10
             |                           
            
                5.60
             | 
            
                5.30
             |                     
            
                5.60
             |                                 
            
                336,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2021
             | 
            
                -0.90 / -14.06%
             |             
            
                6.10
             |           
            
                6.30
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.80
             |                     
            
                5.50
             |                                 
            
                586,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2021
             | 
            
                -0.10 / -1.61%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.40
             |                     
            
                6.10
             |                                 
            
                808,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2021
             | 
            
                +0.80 / +14.29%
             |             
            
                5.80
             |           
            
                6.40
             |               
            
                5.70
             |                           
            
                6.40
             | 
            
                6.20
             |                     
            
                6.40
             |                                 
            
                762,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2021
             | 
            
                +0.10 / +1.75%
             |             
            
                5.70
             |           
            
                5.90
             |               
            
                5.30
             |                           
            
                5.80
             | 
            
                5.60
             |                     
            
                5.80
             |                                 
            
                362,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2021
             | 
            
                -0.50 / -8.06%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                5.30
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.70
             |                                 
            
                849,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2021
             | 
            
                +0.70 / +12.50%
             |             
            
                6.10
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.20
             |                     
            
                6.30
             |                                 
            
                766,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2021
             | 
            
                +0.70 / +14.00%
             |             
            
                5.20
             |           
            
                5.70
             |               
            
                5.20
             |                           
            
                5.70
             | 
            
                5.60
             |                     
            
                5.70
             |                                 
            
                974,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2021
             | 
            
                +0.30 / +6.25%
             |             
            
                4.90
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.00
             |                     
            
                5.10
             |                                 
            
                611,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2021
             | 
            
                +0.10 / +2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.80
             |                     
            
                4.90
             |                                 
            
                195,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2021
             | 
            
                +0.20 / +4.26%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.80
             |                     
            
                4.90
             |                                 
            
                255,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2021
             | 
            
                +0.10 / +2.13%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.72
             |                     
            
                4.80
             |                                 
            
                357,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.70
             |                                 
            
                294,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2021
             | 
            
                -0.40 / -7.84%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.70
             |                                 
            
                442,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2021
             | 
            
                -0.20 / -3.92%
             |             
            
                5.20
             |           
            
                5.70
             |               
            
                4.60
             |                           
            
                4.90
             | 
            
                5.10
             |                     
            
                4.90
             |                                 
            
                678,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2021
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                5.10
             |                                 
            
                393,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2021
             | 
            
                +0.30 / +6.38%
             |             
            
                4.80
             |           
            
                5.30
             |               
            
                4.80
             |                           
            
                5.00
             | 
            
                5.10
             |                     
            
                5.00
             |                                 
            
                382,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |