O'Brien Patrick

COO | COO And General Counsel | General Counsel

1 company

Excellent

Trades Analyzed

12M Win Rate

77.8%

Avg 3M Return

+27.8%

Avg 12M Return

+2.9%

O'Brien Patrick is a COO at ARROWHEAD PHARMACEUTICALS, INC.. Recent SEC Form 4 filings include 0 buys and 49 sells.

Estimated insider holdings value: $39.2M based on current market prices.

Holdings by Company

ARWRJan 6, 2026

Current Shares473.8K

Value$39.19M

Net Activity-416,492

Bought: 0Sold: 416.5K

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jan 5, 2026	ARWR Arrowhead Pharmaceuticals, Inc.	COO	Sell	49,493	$63.11	$3,123,349.43	-0.8%	-4.3%	-
Jan 7, 2025	ARWR Arrowhead Pharmaceuticals, Inc.	COO And General Counsel	Sell	37,184	$19.80	$736,058.62	-2.3%	-47.9%	+234.0%
Jan 5, 2024	ARWR Arrowhead Pharmaceuticals, Inc.	COO And General Counsel	Sell	33,190	$34.36	$1,140,362.32	-1.0%	-26.7%	-44.4%
Jan 5, 2023	ARWR Arrowhead Pharmaceuticals, Inc.	COO And General Counsel	Sell	15,000	$37.39	$560,850.00	-1.8%	-31.9%	-4.0%
Jan 3, 2023	ARWR Arrowhead Pharmaceuticals, Inc.	COO And General Counsel	Sell	17,500	$38.33	$670,802.17	-0.6%	-33.6%	-17.0%
Jan 5, 2022	ARWR Arrowhead Pharmaceuticals, Inc.	General Counsel	Sell	32,500	$61.72	$2,005,875.26	-1.8%	-19.6%	-38.4%
Feb 8, 2021	ARWR Arrowhead Pharmaceuticals, Inc.	General Counsel	Sale+OE	90,000	$88.46	$7,961,240.32	-6.4%	-25.2%	-41.0%
Jan 6, 2021	ARWR Arrowhead Pharmaceuticals, Inc.	General Counsel	Sell	25,000	$72.41	$1,810,345.62	-2.7%	-	-
Jan 6, 2020	ARWR Arrowhead Pharmaceuticals, Inc.	General Counsel	Sell	14,625	$60.12	$879,260.67	-1.8%	-	-
May 28, 2019	ARWR Arrowhead Pharmaceuticals, Inc.	General Counsel	Sell	30,000	$24.88	$746,400.00	-12.9%	-	-