MINNEAPOLIS--(BUSINESS WIRE)--Insignia Systems, Inc. (Nasdaq: ISIG) (“Insignia” or “the Company”) today announced that it will issue its financial results for the second quarter ended June 30, 2015 on Wednesday, July 29, 2015 after the close of the stock market. Insignia’s management team will host a conference call at 5:00 pm ET/4:00 pm CT that day to discuss these results as well as other corporate developments. After opening remarks, there will be a question and answer period. Interested par