Shares of Mayne Pharma plunged 30% on Wednesday after U.S.-based Cosette Pharmaceuticals initiated a review of its A$672 million ($432.1 million) acquisition, citing a "material adverse change" in the Australian firm's business and finances.
BRIDGEWATER, N.J.--(BUSINESS WIRE)--Cosette Pharmaceuticals, Inc., a U.S.-based, fully integrated, pharmaceutical company, announced today that it has entered into a definitive agreement to acquire all the outstanding shares of Mayne Pharma Group Limited (ASX: Ticker MYX) (Mayne Pharma) at AUD$7.40/share for a total consideration of approximately USD $430 Million. The Boards of Directors of both companies have approved the transaction and Mayne Pharma's Board of Directors has unanimously recomm.
Mayne Pharma has filed a patent infringement lawsuit against Indian drugmaker Sun Pharma in a U.S. court, the Australian drugmaker said on Thursday.