MACK - Merrimack Pharmaceuticals stockholders approve plan of dissolution May, 10 2024 04:55 PM Merrimack Pharmaceuticals Inc. 2024-05-10 16:55:30 ET More on Merrimack Pharmaceuticals Merrimack Pharmaceuticals announces notification of plan to delist common stock on Nasdaq Merrimack receives $225M milestone payment from Ipsen Financial information for Merrimack Pharmaceuticals For further details see: Merrimack Pharmaceuticals stockholders approve plan of dissolution