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            | 
                 
                    Closing price on 4/28/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.26 | 
                 
                
                    | High | 
                    3.50 | 
                 
                
                    | Low | 
                    3.22 | 
                     
                
                    | Volume | 
                    474,500 | 
                                 
                
                    | Split-adjusted Price | 
                    3.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/28/2021
             | 
            
                +0.21 / +6.38%
             |             
            
                3.26
             |           
            
                3.50
             |               
            
                3.22
             |                           
            
                3.50
             | 
            
                3.43
             |                     
            
                3.50
             |                                 
            
                474,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2021
             | 
            
                -0.21 / -6.00%
             |             
            
                3.33
             |           
            
                3.40
             |               
            
                3.26
             |                           
            
                3.29
             | 
            
                3.29
             |                     
            
                3.29
             |                                 
            
                783,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2021
             | 
            
                -0.26 / -6.91%
             |             
            
                3.60
             |           
            
                3.76
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.51
             |                     
            
                3.50
             |                                 
            
                1,175,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2021
             | 
            
                +0.03 / +0.80%
             |             
            
                3.73
             |           
            
                3.95
             |               
            
                3.65
             |                           
            
                3.76
             | 
            
                3.82
             |                     
            
                3.76
             |                                 
            
                1,228,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2021
             | 
            
                +0.24 / +6.88%
             |             
            
                3.49
             |           
            
                3.73
             |               
            
                3.45
             |                           
            
                3.73
             | 
            
                3.70
             |                     
            
                3.73
             |                                 
            
                1,216,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2021
             | 
            
                +0.22 / +6.73%
             |             
            
                3.06
             |           
            
                3.49
             |               
            
                3.05
             |                           
            
                3.49
             | 
            
                3.21
             |                     
            
                3.49
             |                                 
            
                3,079,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2021
             | 
            
                -0.24 / -6.84%
             |             
            
                3.51
             |           
            
                3.51
             |               
            
                3.27
             |                           
            
                3.27
             | 
            
                3.28
             |                     
            
                3.27
             |                                 
            
                1,259,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2021
             | 
            
                -0.26 / -6.90%
             |             
            
                3.51
             |           
            
                3.77
             |               
            
                3.51
             |                           
            
                3.51
             | 
            
                3.77
             |                     
            
                3.51
             |                                 
            
                1,648,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2021
             | 
            
                -0.28 / -6.91%
             |             
            
                3.78
             |           
            
                4.05
             |               
            
                3.77
             |                           
            
                3.77
             | 
            
                3.78
             |                     
            
                3.77
             |                                 
            
                2,745,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2021
             | 
            
                -0.05 / -1.22%
             |             
            
                3.90
             |           
            
                4.10
             |               
            
                3.82
             |                           
            
                4.05
             | 
            
                3.86
             |                     
            
                4.05
             |                                 
            
                3,141,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2021
             | 
            
                -0.27 / -6.18%
             |             
            
                4.37
             |           
            
                4.37
             |               
            
                4.07
             |                           
            
                4.10
             | 
            
                4.12
             |                     
            
                4.10
             |                                 
            
                3,624,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2021
             | 
            
                -0.04 / -0.91%
             |             
            
                4.11
             |           
            
                4.37
             |               
            
                4.11
             |                           
            
                4.37
             | 
            
                4.14
             |                     
            
                4.37
             |                                 
            
                7,933,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2021
             | 
            
                -0.29 / -6.17%
             |             
            
                4.50
             |           
            
                4.65
             |               
            
                4.39
             |                           
            
                4.41
             | 
            
                4.46
             |                     
            
                4.41
             |                                 
            
                1,812,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2021
             | 
            
                +0.13 / +2.84%
             |             
            
                4.32
             |           
            
                4.74
             |               
            
                4.26
             |                           
            
                4.70
             | 
            
                4.29
             |                     
            
                4.70
             |                                 
            
                4,574,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2021
             | 
            
                +0.27 / +6.28%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.06
             |                           
            
                4.57
             | 
            
                4.29
             |                     
            
                4.57
             |                                 
            
                2,675,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2021
             | 
            
                +0.25 / +6.17%
             |             
            
                4.28
             |           
            
                4.33
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.15
             |                     
            
                4.30
             |                                 
            
                2,844,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2021
             | 
            
                +0.26 / +6.86%
             |             
            
                4.05
             |           
            
                4.05
             |               
            
                3.79
             |                           
            
                4.05
             | 
            
                4.02
             |                     
            
                4.05
             |                                 
            
                4,605,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2021
             | 
            
                +0.24 / +6.76%
             |             
            
                3.56
             |           
            
                3.79
             |               
            
                3.56
             |                           
            
                3.79
             | 
            
                3.79
             |                     
            
                3.79
             |                                 
            
                616,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2021
             | 
            
                -0.05 / -1.39%
             |             
            
                3.55
             |           
            
                3.64
             |               
            
                3.50
             |                           
            
                3.55
             | 
            
                3.55
             |                     
            
                3.55
             |                                 
            
                509,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2021
             | 
            
                +0.19 / +5.57%
             |             
            
                3.60
             |           
            
                3.63
             |               
            
                3.50
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                853,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2021
             | 
            
                +0.22 / +6.90%
             |             
            
                3.41
             |           
            
                3.41
             |               
            
                3.40
             |                           
            
                3.41
             | 
            
                3.41
             |                     
            
                3.41
             |                                 
            
                427,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2021
             | 
            
                +0.20 / +6.69%
             |             
            
                2.99
             |           
            
                3.19
             |               
            
                2.99
             |                           
            
                3.19
             | 
            
                3.16
             |                     
            
                3.19
             |                                 
            
                564,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2021
             | 
            
                -0.05 / -1.64%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.99
             | 
            
                2.99
             |                     
            
                2.99
             |                                 
            
                169,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2021
             | 
            
                +0.10 / +3.40%
             |             
            
                2.94
             |           
            
                3.09
             |               
            
                2.94
             |                           
            
                3.04
             | 
            
                3.02
             |                     
            
                3.04
             |                                 
            
                296,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2021
             | 
            
                -0.11 / -3.61%
             |             
            
                3.05
             |           
            
                3.05
             |               
            
                2.94
             |                           
            
                2.94
             | 
            
                2.99
             |                     
            
                2.94
             |                                 
            
                134,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2021
             | 
            
                -0.03 / -0.97%
             |             
            
                3.08
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.05
             | 
            
                3.07
             |                     
            
                3.05
             |                                 
            
                369,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2021
             | 
            
                +0.10 / +3.36%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.98
             |                           
            
                3.08
             | 
            
                3.04
             |                     
            
                3.08
             |                                 
            
                288,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2021
             | 
            
                +0.04 / +1.36%
             |             
            
                2.94
             |           
            
                3.00
             |               
            
                2.94
             |                           
            
                2.98
             | 
            
                2.97
             |                     
            
                2.98
             |                                 
            
                227,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2021
             | 
            
                -0.04 / -1.34%
             |             
            
                2.98
             |           
            
                2.98
             |               
            
                2.90
             |                           
            
                2.94
             | 
            
                2.92
             |                     
            
                2.94
             |                                 
            
                236,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2021
             | 
            
                -0.01 / -0.33%
             |             
            
                3.01
             |           
            
                3.01
             |               
            
                2.92
             |                           
            
                2.98
             | 
            
                2.99
             |                     
            
                2.98
             |                                 
            
                90,100
             |  
            
                 
             |                                                              
             
    
         
    
    
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 Market Update 
        
            
                Last updated at 11:51:13 AM
                                                                
            
            
            
            
        
        
     
 
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