ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2010

Mar 8, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD RESEARCH CORP (ARWR)
CIK: 0000879407
Period of Report: 2010-03-04

Reporting Person: STEWART R BRUCE (Director, Executive Chairman)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-04	Stock Option	$0.52	A	250000	Acquired	2020-03-04	Common Stock (250000)	Direct

Footnotes

F1: Option vests in 24 equal monthly installments.