William R Jellison Masimo Corp (MASI) insider trading activity
William R Jellison is Director of MASIMO CORP. Currently has a direct ownership of 4,790 shares of MASI, which is worth approximately $708,920. The most recent transaction as insider was on Aug 11, 2025, when has been sold 3,000 shares (Common Stock) at a price of $145.98 per share, resulting in proceeds of $437,939. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).
        Shares Held (Direct Ownership)
        4.79K
                  
          
      
      
    
                
                   167.6%
                
            3M change
          
                    
          
          
              
                n/a
              
             12M change
          
                    
        
        Total Value Held
          $708,920
      
      
    William R Jellison Transaction History
Also insider at
        WRJ
    
    
    William R Jellison
        Director
      
       
        
        Avon Lake, OH