| 
                 
                    Closing price on 5/10/2024
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.40 | 
                 
                
                    | High | 
                    2.50 | 
                 
                
                    | Low | 
                    2.40 | 
                     
                
                    | Volume | 
                    117,400 | 
                                 
                
                    | Split-adjusted Price | 
                    2.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/10/2024
             | 
            
                +0.20 / +8.70%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.50
             | 
            
                2.49
             |                     
            
                2.50
             |                                 
            
                117,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2024
             | 
            
                -0.20 / -8.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.40
             |                     
            
                2.30
             |                                 
            
                41,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2024
             | 
            
                +0.10 / +4.17%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.50
             | 
            
                2.41
             |                     
            
                2.50
             |                                 
            
                20,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2024
             | 
            
                -0.10 / -4.00%
             |             
            
                2.40
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.50
             |                     
            
                2.40
             |                                 
            
                21,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2024
             | 
            
                +0.20 / +8.70%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.50
             | 
            
                2.48
             |                     
            
                2.50
             |                                 
            
                115,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                112,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2024
             | 
            
                -0.10 / -4.17%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.33
             |                     
            
                2.30
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.30
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.30
             |                     
            
                2.40
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.40
             |                     
            
                2.40
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2024
             | 
            
                +0.10 / +4.35%
             |             
            
                2.30
             |           
            
                2.40
             |               
            
                2.20
             |                           
            
                2.40
             | 
            
                2.24
             |                     
            
                2.40
             |                                 
            
                41,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2024
             | 
            
                -0.10 / -4.17%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.35
             |                     
            
                2.30
             |                                 
            
                35,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2024
             | 
            
                -0.20 / -7.69%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.43
             |                     
            
                2.40
             |                                 
            
                18,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2024
             | 
            
                +0.10 / +4.00%
             |             
            
                2.50
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.60
             | 
            
                2.50
             |                     
            
                2.60
             |                                 
            
                19,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.50
             | 
            
                2.44
             |                     
            
                2.50
             |                                 
            
                39,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2024
             | 
            
                -0.20 / -7.41%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.56
             |                     
            
                2.50
             |                                 
            
                112,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2024
             | 
            
                -0.10 / -3.57%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.80
             |                     
            
                2.70
             |                                 
            
                47,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                35,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2024
             | 
            
                -0.10 / -3.45%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                45,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.85
             |                     
            
                2.90
             |                                 
            
                39,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2024
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.88
             |                     
            
                2.90
             |                                 
            
                27,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2024
             | 
            
                -0.10 / -3.33%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.93
             |                     
            
                2.90
             |                                 
            
                130,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2024
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                7,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2024
             | 
            
                -0.10 / -3.13%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                14,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2024
             | 
            
                +0.20 / +6.67%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.05
             |                     
            
                3.20
             |                                 
            
                112,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2024
             | 
            
                -0.10 / -3.23%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.05
             |                     
            
                3.00
             |                                 
            
                16,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2024
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.00
             |                     
            
                3.10
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2024
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.00
             |                     
            
                3.10
             |                                 
            
                60,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2024
             | 
            
                +0.10 / +3.33%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.00
             |                     
            
                3.10
             |                                 
            
                37,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2024
             | 
            
                -0.10 / -3.23%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                34,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |