| 
                 
                    Closing price on 10/7/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.30 | 
                 
                
                    | High | 
                    4.50 | 
                 
                
                    | Low | 
                    4.30 | 
                     
                
                    | Volume | 
                    14,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
KSD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/7/2021
             | 
            
                +0.20 / +4.65%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.44
             |                     
            
                4.50
             |                                 
            
                14,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2021
             | 
            
                -0.20 / -4.44%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.37
             |                     
            
                4.30
             |                                 
            
                30,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.32
             |                     
            
                4.50
             |                                 
            
                14,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2021
             | 
            
                +0.20 / +4.65%
             |             
            
                4.20
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                4.50
             |                                 
            
                25,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2021
             | 
            
                -0.40 / -8.51%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.32
             |                     
            
                4.30
             |                                 
            
                25,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2021
             | 
            
                +0.10 / +2.17%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.20
             |                           
            
                4.70
             | 
            
                4.50
             |                     
            
                4.70
             |                                 
            
                27,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2021
             | 
            
                -0.40 / -8.00%
             |             
            
                4.60
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                17,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2021
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                5.00
             |               
            
                4.50
             |                           
            
                5.00
             | 
            
                4.62
             |                     
            
                5.00
             |                                 
            
                60,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2021
             | 
            
                -0.30 / -5.66%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.14
             |                     
            
                5.00
             |                                 
            
                20,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2021
             | 
            
                +0.10 / +1.92%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                4.90
             |                           
            
                5.30
             | 
            
                5.57
             |                     
            
                5.30
             |                                 
            
                195,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2021
             | 
            
                +0.40 / +8.33%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                5.20
             |                                 
            
                156,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2021
             | 
            
                +0.40 / +9.09%
             |             
            
                4.40
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.80
             | 
            
                4.79
             |                     
            
                4.80
             |                                 
            
                43,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2021
             | 
            
                +0.20 / +4.76%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.35
             |                     
            
                4.40
             |                                 
            
                35,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2021
             | 
            
                +0.20 / +5.00%
             |             
            
                4.00
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.24
             |                     
            
                4.20
             |                                 
            
                30,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2021
             | 
            
                -0.10 / -2.44%
             |             
            
                4.00
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.02
             |                     
            
                4.00
             |                                 
            
                29,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2021
             | 
            
                -0.30 / -6.82%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.17
             |                     
            
                4.10
             |                                 
            
                39,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2021
             | 
            
                +0.40 / +10.00%
             |             
            
                4.00
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.40
             | 
            
                4.20
             |                     
            
                4.40
             |                                 
            
                31,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2021
             | 
            
                +0.20 / +5.26%
             |             
            
                3.70
             |           
            
                4.10
             |               
            
                3.70
             |                           
            
                4.00
             | 
            
                3.85
             |                     
            
                4.00
             |                                 
            
                63,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.72
             |                     
            
                3.80
             |                                 
            
                68,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.64
             |                     
            
                3.80
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2021
             | 
            
                -0.10 / -2.56%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.80
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                3.90
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2021
             | 
            
                +0.10 / +2.63%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.95
             |                     
            
                3.90
             |                                 
            
                19,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                3.70
             |           
            
                3.90
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.75
             |                     
            
                3.80
             |                                 
            
                29,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2021
             | 
            
                +0.10 / +2.70%
             |             
            
                3.70
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.80
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2021
             | 
            
                -0.10 / -2.63%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.68
             |                     
            
                3.70
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2021
             | 
            
                +0.30 / +8.57%
             |             
            
                3.50
             |           
            
                3.80
             |               
            
                3.50
             |                           
            
                3.80
             | 
            
                3.62
             |                     
            
                3.80
             |                                 
            
                29,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2021
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2021
             | 
            
                +0.10 / +2.94%
             |             
            
                3.40
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                9,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2021
             | 
            
                -0.10 / -2.86%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |