IMGN - ImmunoGen inc (IMGN) Q3 2021 Earnings Call Transcript October, 29 2021 05:00 PM ImmunoGen Inc. Image source: The Motley Fool. ImmunoGen, inc (NASDAQ: IMGN) Q3 2021 Earnings Call Oct 29, 2021 , 8:00 a.m. ET Operator Continue reading For further details see: ImmunoGen, inc (IMGN) Q3 2021 Earnings Call Transcript