A substantial insider sell was reported on August 8, by Norman H Asbjornson, Board Member at AAON (NASDAQ:AAON), based on the recent SEC filing. What Happened: Asbjornson’s recent move involves selling 11,022 shares of AAON. This information is documented in a Form 4 filing with the U.S. Securities and Exchange Commission on Thursday. The total value is $963,433. AAON’s shares are actively trading at $86.07, experiencing a down of 0.0% during Friday’s morning session. Delving into AAON’s BackgroundAAON Inc is a manufacturer of air-conditioning and heating equipment. The products include roofto…