Aeterna Zentaris Provides Update on Timing for Annual Meeting of Shareholders and Due Bill Redemption Date TORONTO, ONTARIO, May 29, 2024 (GLOBE NEWSWIRE) -- Aeterna Zentaris Inc. (NASDAQ: AEZS) (TSX: AEZS) (“Aeterna” or the “Company”), a specialty biopharmaceutical company developing and commercializing...