- 
        Signature
      
 
      - 
        /s/ Misbah Tahir
      
 
    
    
      
- 
        Stock symbol
      
 
      - 
        IGMS
      
 
    
    
      
- 
        Transactions as of
      
 
      - 
        Jul 19, 2024
      
 
    
    
      
- 
        Transactions value $
      
 
      - 
        $0
      
 
    
    
      
- 
        Form type
      
 
      - 
        4
      
 
    
    
      
- 
        Date filed
      
 
      - 
        7/23/2024, 08:42 PM
      
 
    
    
    
    
   
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            IGMS | 
            Common Stock | 
            Award | 
             | 
            +33.1K | 
            +37.27% | 
             | 
            122K | 
            Jul 19, 2024 | 
            Direct | 
            F1, F2 | 
          
          
            | transaction | 
            IGMS | 
            Common Stock | 
            Award | 
             | 
            +2.22K | 
            +1.82% | 
             | 
            124K | 
            Jul 19, 2024 | 
            Direct | 
            F2, F3 | 
          
      
    
   
  
    Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Underlying Class | 
          Amount | 
          Exercise Price | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            IGMS | 
            Stock Option (right to buy) | 
            Disposed to Issuer | 
             | 
            -55K | 
            -100% | 
             | 
            0 | 
            Jul 19, 2024 | 
            Common Stock | 
            55K | 
            $40.27 | 
            Direct | 
            F2 | 
          
          
            | transaction | 
            IGMS | 
            Stock Option (right to buy) | 
            Disposed to Issuer | 
             | 
            -40K | 
            -100% | 
             | 
            0 | 
            Jul 19, 2024 | 
            Common Stock | 
            40K | 
            $91.50 | 
            Direct | 
            F2 | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses: