Pharmaceutical company Medicines Co. in Parsippany announced on Dec. 4 it paid about $140 million for drug manufacturer Rempex Pharmaceuticals Inc. of San Diego, with another $334 million available on meeting certain milestones.

NRG Yield Makes $120M Buy

NRG Yield, an operator of energy generation facilities, and a division of energy company NRG Energy, both in Princeton, on Dec. 3 announced it paid about $120 million in cash for energy supplier Energy Systems Co. in Omaha, Neb.

MAC Events Acquired