| 
                 
                    Closing price on 5/24/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.90 | 
                 
                
                    | High | 
                    14.90 | 
                 
                
                    | Low | 
                    14.80 | 
                     
                
                    | Volume | 
                    1,300 | 
                                 
                
                    | Split-adjusted Price | 
                    10.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QTC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/24/2021
             | 
            
                -0.10 / -0.67%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                10.80
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2021
             | 
            
                -0.10 / -0.67%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                10.95
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                10.95
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2021
             | 
            
                +0.30 / +2.04%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                10.95
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.79
             |                     
            
                10.73
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2021
             | 
            
                -0.20 / -1.34%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.50
             |                           
            
                14.70
             | 
            
                14.61
             |                     
            
                10.73
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                7,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2021
             | 
            
                -0.20 / -1.32%
             |             
            
                14.80
             |           
            
                15.00
             |               
            
                14.80
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                10.87
             |                                 
            
                5,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                11.02
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.10
             | 
            
                15.08
             |                     
            
                11.02
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2021
             | 
            
                -0.10 / -0.66%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.13
             |                     
            
                11.02
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2021
             | 
            
                +0.10 / +0.66%
             |             
            
                15.10
             |           
            
                15.20
             |               
            
                15.10
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                11.09
             |                                 
            
                8,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2021
             | 
            
                -0.10 / -0.66%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.11
             |                     
            
                11.02
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.20
             | 
            
                15.10
             |                     
            
                11.09
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2021
             | 
            
                -0.10 / -0.65%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.22
             |                     
            
                11.09
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2021
             | 
            
                -0.20 / -1.29%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.30
             |                           
            
                15.30
             | 
            
                15.40
             |                     
            
                11.16
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2021
             | 
            
                +0.40 / +2.65%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                11.31
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2021
             | 
            
                -0.50 / -3.21%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.37
             |                     
            
                11.02
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                11.38
             |                                 
            
                7,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.60
             |           
            
                15.80
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.63
             |                     
            
                11.38
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2021
             | 
            
                +0.20 / +1.30%
             |             
            
                15.50
             |           
            
                15.60
             |               
            
                15.40
             |                           
            
                15.60
             | 
            
                15.53
             |                     
            
                11.38
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.50
             |               
            
                15.10
             |                           
            
                15.40
             | 
            
                15.37
             |                     
            
                11.24
             |                                 
            
                17,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                15.40
             |           
            
                15.40
             |               
            
                15.40
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                11.24
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2021
             | 
            
                +0.30 / +1.99%
             |             
            
                15.30
             |           
            
                15.40
             |               
            
                15.20
             |                           
            
                15.40
             | 
            
                15.31
             |                     
            
                11.24
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |