Louise S Sams Costar Group, Inc. (CSGP) insider trading activity
Louise S Sams is Director of COSTAR GROUP, INC.. Currently has a direct ownership of 19,409 shares of CSGP, which is worth approximately $1.35 Million. The most recent transaction as insider was on Sep 09, 2025, when has been sold 3,291 shares (Common Stock, par value $0.01 per share) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).
        Shares Held (Direct Ownership)
        19.4K
                  
          
      
      
    
                
                   20.42%
                
            3M change
          
                    
          
          
                
                   20.42%
                
             12M change
          
                    
        
        Total Value Held
          $1.35 Million
      
      
    Louise S Sams Transaction History
Also insider at
        LSS
    
    
    Louise S Sams
        Director
      
       
        
        Washington, DC