Arrowhead Pharmaceuticals, Inc. (ARWR) Insider Trading

Over the last 3 months, ARWR insiders made 0 open-market buys and 6 sales, a net sale of -$2.6M (SEC Form 4). Over the last 6 months, 327 institutions increased and 230 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$2.6M
Insider trades by month Buys Sells
Oct
Dec
Jan
Mar
Apr
May
Context3-month price +18.2%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 14, 2026Lu HongbodirectorSell2,970$76.88
Apr 24, 2026Apel Daniel Josephofficer: Chief Financial OfficerSell3,208$70.11
Apr 24, 2026Apel Daniel Josephofficer: Chief Financial OfficerSell1,157$70.45
Apr 24, 2026Apel Daniel Josephofficer: Chief Financial OfficerSell8,730$71.92
Apr 24, 2026Hamilton James Cofficer: Chief Medical OfficerSell10,000$75.00
Mar 9, 2026Hamilton James Cofficer: Chief Medical OfficerSell10,000$64.19
Jan 8, 2026Hamilton James Cofficer: Chief Medical OfficerGrant75,000
Jan 8, 2026Apel Daniel Josephofficer: Chief Financial OfficerGrant75,000
Jan 8, 2026O'Brien Patrickofficer: COOGrant75,000
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell6,090$62.28
Jan 5, 2026O'Brien Patrickofficer: COOSell46$68.00
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell309$68.00
Jan 5, 2026O'Brien Patrickofficer: COOSell2,336$64.04
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell12,711$63.95
Jan 5, 2026O'Brien Patrickofficer: COOSell4,368$61.20
Jan 5, 2026O'Brien Patrickofficer: COOSell6,164$62.23
Jan 5, 2026O'Brien Patrickofficer: COOSell2,700$64.44
Jan 5, 2026O'Brien Patrickofficer: COOSell313$68.00
Jan 5, 2026O'Brien Patrickofficer: COOSell11,842$63.84
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell437$65.97
Jan 5, 2026O'Brien Patrickofficer: COOSell13,451$62.96
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell4,625$61.24
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell14,792$63.01
Jan 5, 2026Anzalone Christopher Richarddirector, officer: Chief Executive OfficerSell7,416$65.88
Jan 5, 2026O'Brien Patrickofficer: COOSell900$66.01
Jan 5, 2026O'Brien Patrickofficer: COOSell600$61.12
Jan 5, 2026Anzalone Christopher Richarddirector, officer: Chief Executive OfficerSell5,771$66.39
Jan 5, 2026Hamilton James Cofficer: Chief Medical OfficerSell1,200$64.49
Jan 5, 2026O'Brien Patrickofficer: COOSell5,873$62.91
Dec 30, 2025Ferrari MaurodirectorSell7,530$70.00

Source: ARWR SEC Form 4 filings, latest May 14, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ARWR positions over the last 6 months (SEC Form 13F).

Increased
327
New positions
220
Reduced
230
Sold out
87
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased21.3MFeb 12, 2026
BLACKROCK, INC.Reduced18.2MMay 13, 2026
VANGUARD GROUP INCReduced15.3MJan 29, 2026
AVORO CAPITAL ADVISORS LLCIncreased10.7MMay 15, 2026
AVORO CAPITAL ADVISORS LLCReduced10.6MMar 16, 2026
FMR LLCIncreased7.3MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position7.1MMay 8, 2026
FMR LLCIncreased6.5MFeb 17, 2026
STATE STREET CORPIncreased6.5MMay 15, 2026
STATE STREET CORPIncreased6.4MFeb 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position6.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased4.3MMay 15, 2026
FRED ALGER MANAGEMENT, LLCIncreased3.3MMay 15, 2026
INVESCO LTD.Increased3.3MMay 12, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased3.3MFeb 9, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.