BRIDGEWATER, N.J.--(BUSINESS WIRE)--Enzon Pharmaceuticals, Inc. (Nasdaq: ENZN) today announced that the Company’s Board of Directors has authorized the purchase of up to $200 million of outstanding shares of the Company’s common stock. No date was established for completion of the share repurchase program. The expectation is that the program will extend over a number of calendar quarters. The Company also announced that its previously authorized $50 million share repurchase program, announced in December 2009, was recently completed in full.