A significant insider buy by Dale Lehmann, Director at Optex Systems Hldgs (NASDAQ:OPXS), was executed on November 7, and reported in the recent SEC filing. What Happened: Lehmann demonstrated confidence in Optex Systems Hldgs by purchasing 7,600 shares, as reported in a Form 4 filing with the U.S. Securities and Exchange Commission on Thursday. The total value of the transaction is $61,560. During Friday’s morning session, Optex Systems Hldgs shares up by 2.82%, currently priced at $8.39. Unveiling the Story Behind Optex Systems HldgsOptex Systems Holdings Inc manufactures optical sighting sy…