ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2009

Aug 19, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD RESEARCH CORP (ARWR)
CIK: 0000879407
Period of Report: 2009-07-17

Reporting Person: Anzalone Christopher Richard (Director, President and CEO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-07-17	Common Stock	$3.92	J	2000000	Disposed	2017-12-01	Common Stock (2000000)	Direct

Footnotes

F1: Voluntary termination of out-of-the-money options to allow for sufficient available shares for issuance in a financing transaction.