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            | 
                 
                    Closing price on 10/20/2021
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.91 | 
                 
                
                    | High | 
                    4.91 | 
                 
                
                    | Low | 
                    4.61 | 
                     
                
                    | Volume | 
                    6,439,500 | 
                                 
                
                    | Split-adjusted Price | 
                    4.91 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/20/2021
             | 
            
                +0.32 / +6.97%
             |             
            
                4.91
             |           
            
                4.91
             |               
            
                4.61
             |                           
            
                4.91
             | 
            
                4.90
             |                     
            
                4.91
             |                                 
            
                6,439,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2021
             | 
            
                +0.30 / +6.99%
             |             
            
                4.30
             |           
            
                4.59
             |               
            
                4.15
             |                           
            
                4.59
             | 
            
                4.40
             |                     
            
                4.59
             |                                 
            
                2,755,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2021
             | 
            
                -0.01 / -0.23%
             |             
            
                4.33
             |           
            
                4.42
             |               
            
                4.25
             |                           
            
                4.29
             | 
            
                4.31
             |                     
            
                4.29
             |                                 
            
                2,241,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2021
             | 
            
                +0.14 / +3.37%
             |             
            
                4.20
             |           
            
                4.39
             |               
            
                4.16
             |                           
            
                4.30
             | 
            
                4.26
             |                     
            
                4.30
             |                                 
            
                2,095,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                4.17
             |           
            
                4.25
             |               
            
                4.15
             |                           
            
                4.16
             | 
            
                4.18
             |                     
            
                4.16
             |                                 
            
                1,913,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2021
             | 
            
                -0.05 / -1.19%
             |             
            
                4.16
             |           
            
                4.48
             |               
            
                4.16
             |                           
            
                4.16
             | 
            
                4.22
             |                     
            
                4.16
             |                                 
            
                2,485,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2021
             | 
            
                -0.07 / -1.64%
             |             
            
                4.23
             |           
            
                4.28
             |               
            
                4.14
             |                           
            
                4.21
             | 
            
                4.18
             |                     
            
                4.21
             |                                 
            
                1,895,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2021
             | 
            
                -0.11 / -2.51%
             |             
            
                4.39
             |           
            
                4.39
             |               
            
                4.19
             |                           
            
                4.28
             | 
            
                4.25
             |                     
            
                4.28
             |                                 
            
                2,023,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2021
             | 
            
                -0.07 / -1.57%
             |             
            
                4.46
             |           
            
                4.48
             |               
            
                4.31
             |                           
            
                4.39
             | 
            
                4.38
             |                     
            
                4.39
             |                                 
            
                1,646,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2021
             | 
            
                +0.10 / +2.29%
             |             
            
                4.41
             |           
            
                4.55
             |               
            
                4.39
             |                           
            
                4.46
             | 
            
                4.47
             |                     
            
                4.46
             |                                 
            
                1,792,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2021
             | 
            
                -0.03 / -0.68%
             |             
            
                4.50
             |           
            
                4.52
             |               
            
                4.36
             |                           
            
                4.36
             | 
            
                4.42
             |                     
            
                4.36
             |                                 
            
                2,281,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2021
             | 
            
                +0.28 / +6.81%
             |             
            
                4.10
             |           
            
                4.39
             |               
            
                4.10
             |                           
            
                4.39
             | 
            
                4.33
             |                     
            
                4.39
             |                                 
            
                3,094,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2021
             | 
            
                -0.16 / -3.75%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.11
             | 
            
                4.16
             |                     
            
                4.11
             |                                 
            
                1,173,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2021
             | 
            
                +0.13 / +3.14%
             |             
            
                4.00
             |           
            
                4.42
             |               
            
                3.90
             |                           
            
                4.27
             | 
            
                4.32
             |                     
            
                4.27
             |                                 
            
                3,616,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2021
             | 
            
                -0.31 / -6.97%
             |             
            
                4.49
             |           
            
                4.50
             |               
            
                4.14
             |                           
            
                4.14
             | 
            
                4.21
             |                     
            
                4.14
             |                                 
            
                3,331,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2021
             | 
            
                +0.18 / +4.22%
             |             
            
                4.27
             |           
            
                4.48
             |               
            
                4.25
             |                           
            
                4.45
             | 
            
                4.36
             |                     
            
                4.45
             |                                 
            
                1,465,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2021
             | 
            
                -0.32 / -6.97%
             |             
            
                4.27
             |           
            
                4.50
             |               
            
                4.27
             |                           
            
                4.27
             | 
            
                4.29
             |                     
            
                4.27
             |                                 
            
                5,926,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2021
             | 
            
                -0.34 / -6.90%
             |             
            
                4.59
             |           
            
                4.84
             |               
            
                4.59
             |                           
            
                4.59
             | 
            
                4.60
             |                     
            
                4.59
             |                                 
            
                1,818,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2021
             | 
            
                -0.37 / -6.98%
             |             
            
                4.93
             |           
            
                5.20
             |               
            
                4.93
             |                           
            
                4.93
             | 
            
                4.94
             |                     
            
                4.93
             |                                 
            
                3,137,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2021
             | 
            
                +0.01 / +0.19%
             |             
            
                5.66
             |           
            
                5.66
             |               
            
                5.00
             |                           
            
                5.30
             | 
            
                5.52
             |                     
            
                5.30
             |                                 
            
                10,340,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2021
             | 
            
                +0.34 / +6.87%
             |             
            
                5.29
             |           
            
                5.29
             |               
            
                5.29
             |                           
            
                5.29
             | 
            
                5.29
             |                     
            
                5.29
             |                                 
            
                1,792,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2021
             | 
            
                +0.32 / +6.91%
             |             
            
                4.95
             |           
            
                4.95
             |               
            
                4.90
             |                           
            
                4.95
             | 
            
                4.95
             |                     
            
                4.95
             |                                 
            
                3,638,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2021
             | 
            
                +0.30 / +6.93%
             |             
            
                4.55
             |           
            
                4.63
             |               
            
                4.55
             |                           
            
                4.63
             | 
            
                4.61
             |                     
            
                4.63
             |                                 
            
                885,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2021
             | 
            
                -0.29 / -6.28%
             |             
            
                4.84
             |           
            
                4.84
             |               
            
                4.30
             |                           
            
                4.33
             | 
            
                4.61
             |                     
            
                4.33
             |                                 
            
                13,907,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2021
             | 
            
                +0.30 / +6.94%
             |             
            
                4.62
             |           
            
                4.62
             |               
            
                4.62
             |                           
            
                4.62
             | 
            
                4.62
             |                     
            
                4.62
             |                                 
            
                628,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2021
             | 
            
                +0.28 / +6.93%
             |             
            
                4.32
             |           
            
                4.32
             |               
            
                4.32
             |                           
            
                4.32
             | 
            
                4.32
             |                     
            
                4.32
             |                                 
            
                338,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2021
             | 
            
                +0.26 / +6.88%
             |             
            
                4.04
             |           
            
                4.04
             |               
            
                4.04
             |                           
            
                4.04
             | 
            
                4.04
             |                     
            
                4.04
             |                                 
            
                391,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2021
             | 
            
                +0.24 / +6.78%
             |             
            
                3.78
             |           
            
                3.78
             |               
            
                3.78
             |                           
            
                3.78
             | 
            
                3.78
             |                     
            
                3.78
             |                                 
            
                792,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2021
             | 
            
                +0.23 / +6.95%
             |             
            
                3.54
             |           
            
                3.54
             |               
            
                3.51
             |                           
            
                3.54
             | 
            
                3.54
             |                     
            
                3.54
             |                                 
            
                3,130,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2021
             | 
            
                +0.21 / +6.77%
             |             
            
                3.10
             |           
            
                3.31
             |               
            
                3.02
             |                           
            
                3.31
             | 
            
                3.22
             |                     
            
                3.31
             |                                 
            
                2,117,300
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 2:55:04 PM
                                                                
            
            
            
            
        
        
     
 
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