Patrick O'Brien

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
7 Jan 25	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	19.69	8,000	157.52 k	527,201
6 Jan 25	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	20.1	9,526	191.47 k	535,201
6 Jan 25	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	19.69	19,658	387.07 k	544,727
4 Jan 25	ARWR Arrowhead Pharmaceuticals	Common Stock	Grant	Acquire A	No	No	0	100,000	0.00	564,385
5 Jan 24	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	35.65	12,741	454.22 k	464,385
5 Jan 24	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	34.99	8,200	286.92 k	477,126
5 Jan 24	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	33.99	1,900	64.58 k	485,326
4 Jan 24	ARWR Arrowhead Pharmaceuticals	Common Stock	Grant	Acquire A	No	No	0	85,000	0.00	487,226
4 Jan 24	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	32.63	1,600	52.21 k	402,226
3 Jan 24	ARWR Arrowhead Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	32.65	1,700	55.51 k	403,826

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.