ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2011

Oct 25, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD RESEARCH CORP (ARWR)
CIK: 0000879407
Period of Report: 2011-10-21

Reporting Person: Myszkowski Kenneth Allen (CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-10-21	Stock Option	$0.46	A	150000	Acquired	2021-10-21	Common Stock (150000)	Direct

Footnotes

F1: Vesting in 48 equal monthly installments.