ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2014

Jan 6, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD RESEARCH CORP (ARWR)
CIK: 0000879407
Period of Report: 2014-01-02

Reporting Person: Lewis David L. (Chief Scientific Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-01-02	Common Stock	M	10000	$4.60	Acquired	10000	Direct
2014-01-02	Common Stock	M	2500	$5.19	Acquired	12500	Direct
2014-01-02	Common Stock	M	2500	$2.62	Acquired	15000	Direct
2014-01-02	Common Stock	S	15000	$10.2861	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-01-02	Stock Option	$4.60	M	10000	Disposed	2021-10-21	Common Stock (10000)	Direct
2014-01-02	Stock Option	$5.19	M	2500	Disposed	2022-02-16	Common Stock (2500)	Direct
2014-01-02	Stock Option	$2.62	M	2500	Disposed	2022-09-28	Common Stock (2500)	Direct

Footnotes

F1: Includes previously reported common stock options which are subject to certain vesting conditions