| 
                 
                    Closing price on 10/30/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.20 | 
                 
                
                    | High | 
                    23.95 | 
                 
                
                    | Low | 
                    23.20 | 
                     
                
                    | Volume | 
                    791,200 | 
                                 
                
                    | Split-adjusted Price | 
                    22.55 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/30/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.20
             |           
            
                23.95
             |               
            
                23.20
             |                           
            
                23.70
             | 
            
                23.73
             |                     
            
                22.55
             |                                 
            
                791,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.90
             |           
            
                24.00
             |               
            
                23.40
             |                           
            
                23.70
             | 
            
                23.82
             |                     
            
                22.55
             |                                 
            
                1,110,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2020
             | 
            
                -0.10 / -0.42%
             |             
            
                23.40
             |           
            
                23.95
             |               
            
                23.40
             |                           
            
                23.70
             | 
            
                23.73
             |                     
            
                22.55
             |                                 
            
                527,150
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2020
             | 
            
                -0.10 / -0.42%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.80
             |                           
            
                23.80
             | 
            
                23.82
             |                     
            
                22.65
             |                                 
            
                154,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2020
             | 
            
                +0.10 / +0.42%
             |             
            
                23.80
             |           
            
                24.00
             |               
            
                23.80
             |                           
            
                23.90
             | 
            
                23.86
             |                     
            
                22.74
             |                                 
            
                382,770
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2020
             | 
            
                +0.20 / +0.85%
             |             
            
                23.60
             |           
            
                23.80
             |               
            
                23.60
             |                           
            
                23.80
             | 
            
                23.79
             |                     
            
                22.65
             |                                 
            
                146,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.50
             |           
            
                23.60
             |               
            
                23.00
             |                           
            
                23.60
             | 
            
                23.45
             |                     
            
                22.46
             |                                 
            
                140,030
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2020
             | 
            
                -0.20 / -0.84%
             |             
            
                23.00
             |           
            
                23.80
             |               
            
                23.00
             |                           
            
                23.60
             | 
            
                23.68
             |                     
            
                22.46
             |                                 
            
                129,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2020
             | 
            
                +0.10 / +0.42%
             |             
            
                23.70
             |           
            
                23.80
             |               
            
                22.50
             |                           
            
                23.80
             | 
            
                23.74
             |                     
            
                22.65
             |                                 
            
                276,120
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2020
             | 
            
                0.00 / 0.00%
             |             
            
                23.70
             |           
            
                23.80
             |               
            
                23.35
             |                           
            
                23.70
             | 
            
                23.73
             |                     
            
                22.55
             |                                 
            
                297,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2020
             | 
            
                +0.20 / +0.85%
             |             
            
                23.40
             |           
            
                23.85
             |               
            
                23.30
             |                           
            
                23.70
             | 
            
                23.62
             |                     
            
                22.55
             |                                 
            
                1,072,740
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2020
             | 
            
                -0.50 / -2.08%
             |             
            
                22.50
             |           
            
                23.95
             |               
            
                22.50
             |                           
            
                23.50
             | 
            
                23.66
             |                     
            
                22.36
             |                                 
            
                189,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2020
             | 
            
                +0.70 / +3.00%
             |             
            
                22.50
             |           
            
                24.00
             |               
            
                22.50
             |                           
            
                24.00
             | 
            
                23.30
             |                     
            
                22.84
             |                                 
            
                120,270
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2020
             | 
            
                +0.35 / +1.53%
             |             
            
                22.95
             |           
            
                23.30
             |               
            
                22.70
             |                           
            
                23.30
             | 
            
                22.98
             |                     
            
                22.17
             |                                 
            
                211,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2020
             | 
            
                +0.50 / +2.23%
             |             
            
                22.45
             |           
            
                23.00
             |               
            
                22.45
             |                           
            
                22.95
             | 
            
                22.83
             |                     
            
                21.84
             |                                 
            
                195,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2020
             | 
            
                +0.45 / +2.05%
             |             
            
                21.15
             |           
            
                22.45
             |               
            
                21.15
             |                           
            
                22.45
             | 
            
                22.00
             |                     
            
                21.36
             |                                 
            
                954,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2020
             | 
            
                +0.40 / +1.85%
             |             
            
                22.60
             |           
            
                22.70
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.08
             |                     
            
                20.94
             |                                 
            
                760,180
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2020
             | 
            
                +0.50 / +2.37%
             |             
            
                21.90
             |           
            
                22.30
             |               
            
                21.50
             |                           
            
                21.60
             | 
            
                22.03
             |                     
            
                20.56
             |                                 
            
                563,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2020
             | 
            
                +0.05 / +0.24%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.05
             |                           
            
                21.10
             | 
            
                21.55
             |                     
            
                20.08
             |                                 
            
                115,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2020
             | 
            
                +1.35 / +6.85%
             |             
            
                19.75
             |           
            
                21.05
             |               
            
                19.75
             |                           
            
                21.05
             | 
            
                20.51
             |                     
            
                20.03
             |                                 
            
                260,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2020
             | 
            
                +0.20 / +1.03%
             |             
            
                19.50
             |           
            
                19.80
             |               
            
                19.50
             |                           
            
                19.70
             | 
            
                19.55
             |                     
            
                18.75
             |                                 
            
                100,430
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2020
             | 
            
                -0.10 / -0.51%
             |             
            
                19.60
             |           
            
                19.70
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.59
             |                     
            
                18.56
             |                                 
            
                228,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2020
             | 
            
                -0.20 / -1.01%
             |             
            
                18.50
             |           
            
                19.80
             |               
            
                18.50
             |                           
            
                19.60
             | 
            
                19.55
             |                     
            
                18.65
             |                                 
            
                20,360
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2020
             | 
            
                -0.05 / -0.25%
             |             
            
                19.85
             |           
            
                19.85
             |               
            
                19.40
             |                           
            
                19.80
             | 
            
                19.81
             |                     
            
                18.84
             |                                 
            
                35,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2020
             | 
            
                -0.10 / -0.50%
             |             
            
                19.95
             |           
            
                19.95
             |               
            
                19.30
             |                           
            
                19.85
             | 
            
                19.53
             |                     
            
                18.89
             |                                 
            
                131,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.80
             |           
            
                20.00
             |               
            
                19.70
             |                           
            
                19.95
             | 
            
                19.90
             |                     
            
                18.99
             |                                 
            
                75,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2020
             | 
            
                +0.05 / +0.25%
             |             
            
                19.90
             |           
            
                19.95
             |               
            
                19.65
             |                           
            
                19.95
             | 
            
                19.85
             |                     
            
                18.99
             |                                 
            
                55,660
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2020
             | 
            
                +0.30 / +1.53%
             |             
            
                19.60
             |           
            
                19.90
             |               
            
                19.60
             |                           
            
                19.90
             | 
            
                19.69
             |                     
            
                18.94
             |                                 
            
                23,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2020
             | 
            
                -0.10 / -0.51%
             |             
            
                19.95
             |           
            
                19.95
             |               
            
                19.05
             |                           
            
                19.60
             | 
            
                19.63
             |                     
            
                18.65
             |                                 
            
                39,080
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2020
             | 
            
                -0.30 / -1.50%
             |             
            
                19.80
             |           
            
                20.50
             |               
            
                19.00
             |                           
            
                19.70
             | 
            
                19.86
             |                     
            
                18.75
             |                                 
            
                212,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |