| 
                 
                    Closing price on 10/20/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    74.90 | 
                 
                
                    | High | 
                    75.00 | 
                 
                
                    | Low | 
                    74.30 | 
                     
                
                    | Volume | 
                    8,500 | 
                                 
                
                    | Split-adjusted Price | 
                    30.44 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/20/2021
             | 
            
                -0.40 / -0.53%
             |             
            
                74.90
             |           
            
                75.00
             |               
            
                74.30
             |                           
            
                74.60
             | 
            
                74.71
             |                     
            
                30.44
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2021
             | 
            
                +0.10 / +0.13%
             |             
            
                74.30
             |           
            
                75.30
             |               
            
                74.30
             |                           
            
                75.00
             | 
            
                74.75
             |                     
            
                30.61
             |                                 
            
                24,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2021
             | 
            
                +1.70 / +2.32%
             |             
            
                73.50
             |           
            
                74.90
             |               
            
                73.50
             |                           
            
                74.90
             | 
            
                74.26
             |                     
            
                30.57
             |                                 
            
                30,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2021
             | 
            
                +0.60 / +0.83%
             |             
            
                74.70
             |           
            
                74.70
             |               
            
                72.80
             |                           
            
                73.20
             | 
            
                73.52
             |                     
            
                29.87
             |                                 
            
                12,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2021
             | 
            
                -1.40 / -1.89%
             |             
            
                72.60
             |           
            
                74.00
             |               
            
                72.60
             |                           
            
                72.60
             | 
            
                73.79
             |                     
            
                29.63
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                73.00
             |                           
            
                74.00
             | 
            
                73.90
             |                     
            
                30.20
             |                                 
            
                25,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                73.90
             |           
            
                74.00
             |               
            
                72.50
             |                           
            
                74.00
             | 
            
                73.62
             |                     
            
                30.20
             |                                 
            
                216,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2021
             | 
            
                0.00 / 0.00%
             |             
            
                73.80
             |           
            
                74.00
             |               
            
                73.80
             |                           
            
                74.00
             | 
            
                73.96
             |                     
            
                30.20
             |                                 
            
                5,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2021
             | 
            
                +0.50 / +0.68%
             |             
            
                73.50
             |           
            
                74.00
             |               
            
                73.20
             |                           
            
                74.00
             | 
            
                73.62
             |                     
            
                30.20
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                73.20
             |           
            
                73.50
             |               
            
                73.20
             |                           
            
                73.50
             | 
            
                73.48
             |                     
            
                29.99
             |                                 
            
                8,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2021
             | 
            
                +0.90 / +1.24%
             |             
            
                73.00
             |           
            
                74.00
             |               
            
                72.70
             |                           
            
                73.50
             | 
            
                72.94
             |                     
            
                29.99
             |                                 
            
                16,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2021
             | 
            
                -0.40 / -0.55%
             |             
            
                73.00
             |           
            
                73.00
             |               
            
                72.50
             |                           
            
                72.60
             | 
            
                72.57
             |                     
            
                29.63
             |                                 
            
                24,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                72.80
             |           
            
                73.00
             |               
            
                72.50
             |                           
            
                73.00
             | 
            
                72.75
             |                     
            
                29.79
             |                                 
            
                10,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                72.70
             |           
            
                73.50
             |               
            
                72.70
             |                           
            
                73.00
             | 
            
                73.06
             |                     
            
                29.79
             |                                 
            
                96,208
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2021
             | 
            
                +0.10 / +0.14%
             |             
            
                73.00
             |           
            
                73.00
             |               
            
                72.80
             |                           
            
                73.00
             | 
            
                72.88
             |                     
            
                29.79
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2021
             | 
            
                -0.10 / -0.14%
             |             
            
                73.00
             |           
            
                73.90
             |               
            
                72.90
             |                           
            
                72.90
             | 
            
                73.22
             |                     
            
                29.75
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2021
             | 
            
                0.00 / 0.00%
             |             
            
                73.00
             |           
            
                73.00
             |               
            
                73.00
             |                           
            
                73.00
             | 
            
                73.00
             |                     
            
                29.79
             |                                 
            
                13,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2021
             | 
            
                +0.60 / +0.83%
             |             
            
                72.40
             |           
            
                74.00
             |               
            
                72.40
             |                           
            
                73.00
             | 
            
                73.13
             |                     
            
                29.79
             |                                 
            
                25,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2021
             | 
            
                +0.10 / +0.14%
             |             
            
                72.10
             |           
            
                72.40
             |               
            
                72.10
             |                           
            
                72.40
             | 
            
                72.31
             |                     
            
                29.55
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                72.30
             |           
            
                73.00
             |               
            
                72.20
             |                           
            
                72.30
             | 
            
                72.37
             |                     
            
                29.50
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2021
             | 
            
                +0.20 / +0.28%
             |             
            
                72.20
             |           
            
                73.00
             |               
            
                72.20
             |                           
            
                72.30
             | 
            
                72.86
             |                     
            
                29.50
             |                                 
            
                8,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2021
             | 
            
                +0.10 / +0.14%
             |             
            
                71.60
             |           
            
                72.20
             |               
            
                71.60
             |                           
            
                72.10
             | 
            
                72.04
             |                     
            
                29.42
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2021
             | 
            
                -0.20 / -0.28%
             |             
            
                72.30
             |           
            
                74.00
             |               
            
                72.00
             |                           
            
                72.00
             | 
            
                73.03
             |                     
            
                29.38
             |                                 
            
                18,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2021
             | 
            
                +0.60 / +0.84%
             |             
            
                71.70
             |           
            
                72.20
             |               
            
                71.70
             |                           
            
                72.20
             | 
            
                71.92
             |                     
            
                29.46
             |                                 
            
                12,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2021
             | 
            
                +0.80 / +1.13%
             |             
            
                71.50
             |           
            
                72.00
             |               
            
                70.80
             |                           
            
                71.60
             | 
            
                71.68
             |                     
            
                29.22
             |                                 
            
                17,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2021
             | 
            
                +0.60 / +0.85%
             |             
            
                70.20
             |           
            
                71.50
             |               
            
                70.20
             |                           
            
                70.80
             | 
            
                70.87
             |                     
            
                28.89
             |                                 
            
                25,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2021
             | 
            
                -0.30 / -0.43%
             |             
            
                69.30
             |           
            
                70.90
             |               
            
                69.30
             |                           
            
                70.20
             | 
            
                70.00
             |                     
            
                28.65
             |                                 
            
                434,781
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2021
             | 
            
                -0.20 / -0.28%
             |             
            
                70.50
             |           
            
                71.00
             |               
            
                70.00
             |                           
            
                70.50
             | 
            
                70.48
             |                     
            
                28.77
             |                                 
            
                18,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2021
             | 
            
                -0.80 / -1.12%
             |             
            
                71.50
             |           
            
                71.50
             |               
            
                70.60
             |                           
            
                70.70
             | 
            
                70.71
             |                     
            
                28.85
             |                                 
            
                18,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2021
             | 
            
                +0.90 / +1.27%
             |             
            
                70.50
             |           
            
                71.50
             |               
            
                70.50
             |                           
            
                71.50
             | 
            
                70.72
             |                     
            
                29.18
             |                                 
            
                20,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |