GSM - Ferroglobe PLC (GSM) Q1 2021 Earnings Call Transcript May, 18 2021 06:30 PM Ferroglobe PLC Image source: The Motley Fool. Ferroglobe PLC (NASDAQ: GSM) Q1 2021 Earnings Call May 18, 2021 , 9:00 a.m. ET Operator Continue reading For further details see: Ferroglobe PLC (GSM) Q1 2021 Earnings Call Transcript