STMP - Stamps.com (STMP) Q1 2021 Earnings Call Transcript May, 07 2021 06:31 AM Stamps.com Inc. Image source: The Motley Fool. Stamps.com (NASDAQ: STMP) Q1 2021 Earnings Call May 06, 2021 , 5:00 p.m. ET Operator Continue reading For further details see: Stamps.com (STMP) Q1 2021 Earnings Call Transcript