- 
        Signature
      
 
      - 
        /s/ John M. Bonino, as Attorney-in-Fact
      
 
    
    
      
- 
        Stock symbol
      
 
      - 
        SICP
      
 
    
    
      
- 
        Transactions as of
      
 
      - 
        Jun 10, 2022
      
 
    
    
      
- 
        Transactions value $
      
 
      - 
        $0
      
 
    
    
      
- 
        Form type
      
 
      - 
        4
      
 
    
    
      
- 
        Date filed
      
 
      - 
        6/13/2022, 05:25 PM
      
 
    
    
    
   
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            SICP | 
            Class A Common Stock | 
            Options Exercise | 
            $0 | 
            +674 | 
             | 
            $0.00 | 
            674 | 
            Jun 10, 2022 | 
            Direct | 
            F1, F2 | 
          
      
    
   
  
    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 | 
            SICP | 
            Restricted Stock Units | 
            Options Exercise | 
            $0 | 
            -674 | 
            -100% | 
            $0.00* | 
            0 | 
            Jun 10, 2022 | 
            Class A Common Stock | 
            674 | 
             | 
            Direct | 
            F1, F2, F3 | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  Robert Charles Campbell is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
  
    Explanation of Responses: