ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2010

Aug 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD RESEARCH CORP (ARWR)
CIK: 0000879407
Period of Report: 2010-08-16

Reporting Person: Myszkowski Kenneth Allen (CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-16	Stock Option	$0.99	A	120000	Acquired	2020-08-16	Common Stock (120000)	Direct

Footnotes

F1: Vesting in 48 equal monthly installments.