| 
                 
                    Closing price on 6/17/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.20 | 
                 
                
                    | High | 
                    21.50 | 
                 
                
                    | Low | 
                    20.60 | 
                     
                
                    | Volume | 
                    363,400 | 
                                 
                
                    | Split-adjusted Price | 
                    19.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/17/2021
             | 
            
                +0.30 / +1.42%
             |             
            
                21.20
             |           
            
                21.50
             |               
            
                20.60
             |                           
            
                21.50
             | 
            
                21.28
             |                     
            
                19.50
             |                                 
            
                363,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2021
             | 
            
                +0.80 / +3.92%
             |             
            
                20.70
             |           
            
                21.70
             |               
            
                20.60
             |                           
            
                21.20
             | 
            
                21.10
             |                     
            
                19.23
             |                                 
            
                671,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2021
             | 
            
                +0.60 / +3.03%
             |             
            
                19.70
             |           
            
                20.50
             |               
            
                19.70
             |                           
            
                20.40
             | 
            
                20.14
             |                     
            
                18.50
             |                                 
            
                341,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2021
             | 
            
                -0.10 / -0.50%
             |             
            
                19.90
             |           
            
                20.20
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                19.98
             |                     
            
                17.96
             |                                 
            
                298,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2021
             | 
            
                +0.20 / +1.02%
             |             
            
                19.60
             |           
            
                19.90
             |               
            
                19.30
             |                           
            
                19.90
             | 
            
                19.56
             |                     
            
                18.05
             |                                 
            
                297,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2021
             | 
            
                -0.10 / -0.51%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.30
             |                           
            
                19.70
             | 
            
                19.60
             |                     
            
                17.87
             |                                 
            
                318,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2021
             | 
            
                +0.30 / +1.54%
             |             
            
                19.50
             |           
            
                19.80
             |               
            
                19.00
             |                           
            
                19.80
             | 
            
                19.48
             |                     
            
                17.96
             |                                 
            
                324,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2021
             | 
            
                -1.80 / -8.45%
             |             
            
                21.10
             |           
            
                21.10
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                20.57
             |                     
            
                17.68
             |                                 
            
                362,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2021
             | 
            
                -0.50 / -2.29%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.49
             |                     
            
                19.32
             |                                 
            
                331,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2021
             | 
            
                +1.80 / +9.00%
             |             
            
                20.00
             |           
            
                22.00
             |               
            
                20.00
             |                           
            
                21.80
             | 
            
                21.44
             |                     
            
                19.77
             |                                 
            
                589,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2021
             | 
            
                +0.50 / +2.56%
             |             
            
                19.50
             |           
            
                20.00
             |               
            
                19.50
             |                           
            
                20.00
             | 
            
                19.92
             |                     
            
                18.14
             |                                 
            
                383,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2021
             | 
            
                +0.60 / +3.17%
             |             
            
                18.90
             |           
            
                19.60
             |               
            
                18.40
             |                           
            
                19.50
             | 
            
                18.99
             |                     
            
                17.68
             |                                 
            
                328,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2021
             | 
            
                +0.80 / +4.42%
             |             
            
                18.10
             |           
            
                19.30
             |               
            
                18.10
             |                           
            
                18.90
             | 
            
                18.63
             |                     
            
                17.14
             |                                 
            
                318,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2021
             | 
            
                -0.70 / -3.72%
             |             
            
                18.50
             |           
            
                18.70
             |               
            
                18.10
             |                           
            
                18.10
             | 
            
                18.30
             |                     
            
                16.41
             |                                 
            
                339,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2021
             | 
            
                -0.20 / -1.05%
             |             
            
                18.90
             |           
            
                19.00
             |               
            
                18.50
             |                           
            
                18.80
             | 
            
                18.73
             |                     
            
                17.05
             |                                 
            
                282,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2021
             | 
            
                -0.10 / -0.52%
             |             
            
                19.20
             |           
            
                19.30
             |               
            
                18.60
             |                           
            
                19.00
             | 
            
                19.07
             |                     
            
                17.23
             |                                 
            
                271,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2021
             | 
            
                -0.50 / -2.55%
             |             
            
                19.60
             |           
            
                19.70
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.45
             |                     
            
                17.32
             |                                 
            
                291,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2021
             | 
            
                +0.50 / +2.62%
             |             
            
                19.30
             |           
            
                19.90
             |               
            
                19.20
             |                           
            
                19.60
             | 
            
                19.59
             |                     
            
                17.78
             |                                 
            
                340,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2021
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.50
             |               
            
                18.80
             |                           
            
                19.10
             | 
            
                19.16
             |                     
            
                17.32
             |                                 
            
                270,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2021
             | 
            
                +0.90 / +4.95%
             |             
            
                18.00
             |           
            
                19.10
             |               
            
                17.60
             |                           
            
                19.10
             | 
            
                18.21
             |                     
            
                17.32
             |                                 
            
                336,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2021
             | 
            
                -1.10 / -5.70%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                17.50
             |                           
            
                18.20
             | 
            
                18.59
             |                     
            
                16.51
             |                                 
            
                346,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2021
             | 
            
                -0.30 / -1.53%
             |             
            
                19.30
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.17
             |                     
            
                17.50
             |                                 
            
                253,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2021
             | 
            
                -0.30 / -1.51%
             |             
            
                19.80
             |           
            
                19.90
             |               
            
                19.30
             |                           
            
                19.60
             | 
            
                19.62
             |                     
            
                17.78
             |                                 
            
                252,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2021
             | 
            
                -0.50 / -2.45%
             |             
            
                20.60
             |           
            
                21.00
             |               
            
                19.60
             |                           
            
                19.90
             | 
            
                19.77
             |                     
            
                18.05
             |                                 
            
                295,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2021
             | 
            
                +1.20 / +6.25%
             |             
            
                19.50
             |           
            
                21.00
             |               
            
                19.20
             |                           
            
                20.40
             | 
            
                19.55
             |                     
            
                18.50
             |                                 
            
                364,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2021
             | 
            
                -0.10 / -0.52%
             |             
            
                19.10
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.20
             | 
            
                19.28
             |                     
            
                17.41
             |                                 
            
                302,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2021
             | 
            
                -0.60 / -3.02%
             |             
            
                19.70
             |           
            
                19.70
             |               
            
                18.80
             |                           
            
                19.30
             | 
            
                19.08
             |                     
            
                17.50
             |                                 
            
                390,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2021
             | 
            
                -0.30 / -1.49%
             |             
            
                20.20
             |           
            
                20.40
             |               
            
                19.60
             |                           
            
                19.90
             | 
            
                20.08
             |                     
            
                18.05
             |                                 
            
                293,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2021
             | 
            
                -0.60 / -2.88%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                19.80
             |                           
            
                20.20
             | 
            
                20.19
             |                     
            
                18.32
             |                                 
            
                283,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2021
             | 
            
                -0.70 / -3.26%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                20.60
             |                           
            
                20.80
             | 
            
                20.74
             |                     
            
                18.86
             |                                 
            
                334,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |