SPPI - Spectrum Pharmaceuticals Inc (SPPI) Q1 2021 Earnings Call Transcript May, 13 2021 08:30 PM Spectrum Pharmaceuticals Inc. Image source: The Motley Fool. Spectrum Pharmaceuticals Inc (NASDAQ: SPPI) Q1 2021 Earnings Call May 13, 2021 , 4:30 p.m. ET Operator Continue reading For further details see: Spectrum Pharmaceuticals Inc (SPPI) Q1 2021 Earnings Call Transcript