PASADENA, Calif.--(BUSINESS WIRE)--Arrowhead Research Corporation (NASDAQ:ARWR) today announced that it will report its financial results for the fiscal 2011 fourth quarter and year ended September 30, 2011, on Tuesday, December 20, 2011 at 4:30 p.m. Eastern time (1:30 p.m. Pacific time). To participate in the conference call, please dial 877-317-6789 (toll free from the US and Canada), or 412-317-6789 (for international callers). Investors may also access a live audio webcast of this conference call on the Company’s website at www.arrowheadresearch.com.
