Spero Therapeutics, Inc. (NASDAQ:SPRO) Q4 2021 Earnings Conference Call March 31, 2022 4:30 PM ET Company Participants Ted Jenkins - VP, Head of IR Ankit Mahadevia - CEO David Melnick - Chief Medical Officer Cristina Larkin - COO Sath Shukla - CFO Conference Call Participants Louise Chen - Cantor Ritu Baral - Cowen Esther Hong - Berenberg Kevin DeGeeter - Oppenheimer Operator Good afternoon, and welcome to the Spero Therapeutics Fourth Quarter and Year-End 2021 Financial Results Conference Call. [Operator I ...