Arrowhead Pharma Ownership & Insider Activity

Arrowhead Pharma (ARWR) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 5.9% of shares outstanding. Institutional investors hold 53.3%. Over the past 90 days, insiders made 2 sales worth $1.2M.

Shares Outstanding

140.857M

Shares Float

101.137M

Insider Shares Owned

8.278M

Insider % Owned

5.9%

Institutional Shares Held

75.236M

Institutional % Held

53.3%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$1.2M total

Net Activity

Net Selling

Net Value (90d)

-$1.2M

Arrowhead Pharma Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 18, 2026	Adeoye Olukotun	DIRECTOR	SELL	2.000K	$86.96	$174K
Aug 18, 2026	Michael Perry	DIRECTOR	SELL	11.600K	$87.30	$1.0M
May 12, 2026	Hongbo Lu	DIRECTOR	SELL	2.970K	$76.88	$228K
Apr 23, 2026	James Hamilton	CHIEF MEDICAL OFFICER	SELL	10.000K	$75.00	$750K

Date	Member	Party	Chamber	Action	Amount
Jan 31, 2023	Daniel Goldman	D	House	Sale	$1,001 - $15,000