GRAM - Grana Y Montero S.A.A. (GRAM) Q3 2020 Earnings Call Transcript November, 07 2020 11:30 AM Grana y Montero S.A.A. American Depositary Shares each representing five Image source: The Motley Fool. Grana Y Montero S.A.A. (NYSE: GRAM) Q3 2020 Earnings Call Nov 7, 2020 , 8:00 p.m. ET Operator Continue reading For further details see: Grana Y Montero S.A.A. (GRAM) Q3 2020 Earnings Call Transcript