| 
                 
                    Closing price on 5/11/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.40 | 
                 
                
                    | High | 
                    9.50 | 
                 
                
                    | Low | 
                    9.40 | 
                     
                
                    | Volume | 
                    30,300 | 
                                 
                
                    | Split-adjusted Price | 
                    9.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/11/2022
             | 
            
                +0.20 / +2.17%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                9.40
             |                                 
            
                30,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2022
             | 
            
                +0.40 / +4.55%
             |             
            
                8.60
             |           
            
                9.20
             |               
            
                8.60
             |                           
            
                9.20
             | 
            
                8.85
             |                     
            
                9.20
             |                                 
            
                83,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2022
             | 
            
                -0.70 / -7.37%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.94
             |                     
            
                8.80
             |                                 
            
                119,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2022
             | 
            
                -0.30 / -3.06%
             |             
            
                9.70
             |           
            
                10.00
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.67
             |                     
            
                9.50
             |                                 
            
                33,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2022
             | 
            
                +0.10 / +1.03%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.60
             |                           
            
                9.80
             | 
            
                9.69
             |                     
            
                9.80
             |                                 
            
                33,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2022
             | 
            
                -0.30 / -3.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.77
             |                     
            
                9.70
             |                                 
            
                9,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2022
             | 
            
                +0.20 / +2.04%
             |             
            
                9.60
             |           
            
                10.00
             |               
            
                9.60
             |                           
            
                10.00
             | 
            
                9.86
             |                     
            
                10.00
             |                                 
            
                51,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2022
             | 
            
                +0.20 / +2.08%
             |             
            
                9.70
             |           
            
                10.10
             |               
            
                9.70
             |                           
            
                9.80
             | 
            
                9.77
             |                     
            
                9.80
             |                                 
            
                17,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2022
             | 
            
                +0.20 / +2.13%
             |             
            
                9.40
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.60
             | 
            
                9.41
             |                     
            
                9.60
             |                                 
            
                43,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2022
             | 
            
                +0.40 / +4.44%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                8.70
             |                           
            
                9.40
             | 
            
                9.11
             |                     
            
                9.40
             |                                 
            
                46,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2022
             | 
            
                -0.50 / -5.26%
             |             
            
                9.50
             |           
            
                10.40
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.48
             |                     
            
                9.00
             |                                 
            
                88,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2022
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                10.20
             |               
            
                9.10
             |                           
            
                9.50
             | 
            
                9.70
             |                     
            
                9.50
             |                                 
            
                62,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2022
             | 
            
                -1.00 / -9.52%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.59
             |                     
            
                9.50
             |                                 
            
                181,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2022
             | 
            
                -0.20 / -1.87%
             |             
            
                10.70
             |           
            
                10.90
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.69
             |                     
            
                10.50
             |                                 
            
                57,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2022
             | 
            
                -1.10 / -9.32%
             |             
            
                11.50
             |           
            
                12.30
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                11.19
             |                     
            
                10.70
             |                                 
            
                59,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2022
             | 
            
                -0.90 / -7.09%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                11.60
             |                           
            
                11.80
             | 
            
                12.37
             |                     
            
                11.80
             |                                 
            
                205,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2022
             | 
            
                -0.30 / -2.31%
             |             
            
                13.00
             |           
            
                13.20
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.81
             |                     
            
                12.70
             |                                 
            
                134,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                12.90
             |                           
            
                13.00
             | 
            
                13.01
             |                     
            
                13.00
             |                                 
            
                103,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.20
             |               
            
                12.50
             |                           
            
                13.00
             | 
            
                12.95
             |                     
            
                13.00
             |                                 
            
                61,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2022
             | 
            
                -0.40 / -2.99%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.19
             |                     
            
                13.00
             |                                 
            
                91,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2022
             | 
            
                -0.40 / -2.90%
             |             
            
                13.50
             |           
            
                13.90
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.57
             |                     
            
                13.40
             |                                 
            
                45,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2022
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.75
             |                     
            
                13.80
             |                                 
            
                28,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2022
             | 
            
                -0.30 / -2.13%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.91
             |                     
            
                13.80
             |                                 
            
                73,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2022
             | 
            
                +0.10 / +0.71%
             |             
            
                14.10
             |           
            
                14.30
             |               
            
                14.00
             |                           
            
                14.10
             | 
            
                14.11
             |                     
            
                14.10
             |                                 
            
                58,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2022
             | 
            
                +0.20 / +1.45%
             |             
            
                13.90
             |           
            
                14.50
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.26
             |                     
            
                14.00
             |                                 
            
                108,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2022
             | 
            
                0.00 / 0.00%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                12.90
             |                           
            
                13.80
             | 
            
                13.44
             |                     
            
                13.80
             |                                 
            
                105,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2022
             | 
            
                -0.20 / -1.43%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.90
             |                     
            
                13.80
             |                                 
            
                43,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2022
             | 
            
                -0.30 / -2.10%
             |             
            
                14.10
             |           
            
                14.50
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.07
             |                     
            
                14.00
             |                                 
            
                79,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2022
             | 
            
                +0.30 / +2.14%
             |             
            
                14.00
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.30
             | 
            
                14.14
             |                     
            
                14.30
             |                                 
            
                35,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2022
             | 
            
                -0.70 / -4.76%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.12
             |                     
            
                14.00
             |                                 
            
                110,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |