A substantial insider sell was reported on September 10, by Joshua Horowitz, Director at Limbach Holdings (NASDAQ:LMB), based on the recent SEC filing. What Happened: After conducting a thorough analysis, Horowitz sold 1,000 shares of Limbach Holdings. This information was disclosed in a Form 4 filing with the U.S. Securities and Exchange Commission on Tuesday. The total transaction value is $65,030. Limbach Holdings’s shares are actively trading at $66.64, experiencing a down of 0.0% during Wednesday’s morning session. Delving into Limbach Holdings’s BackgroundLimbach Holdings Inc is a commer…