MACK - Merrimack Pharmaceuticals announces notification of plan to delist common stock on Nasdaq April, 30 2024 05:44 PM Merrimack Pharmaceuticals Inc. 2024-04-30 17:44:17 ET More on Merrimack Pharmaceuticals Merrimack receives $225M milestone payment from Ipsen Merrimack spikes as Ipsen wins FDA label expansion for cancer therapy Financial information for Merrimack Pharmaceuticals For further details see: Merrimack Pharmaceuticals announces notification of plan to delist common stock on Nasdaq