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Company profile

Arrowhead Pharmaceuticals, Inc. Insider Trading

ARWR

Every SEC Form 4 insider trading filing for Arrowhead Pharmaceuticals, Inc. (ARWR) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
CIK
0000879407
Filings
89
Insiders
16
Last filing
2026-08-18
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on August 18, 2026, when Michael S Perry sold 11,600 shares. 89 filings from 16 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Arrowhead Pharmaceuticals, Inc. insiders are net sellers across the period shown.

PurchasesSales
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25$27.8MQ4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $27.8M.

90 day insight

Over the last 90 days, Arrowhead Pharmaceuticals, Inc. insiders sold $1.2M across 2 transactions with no open-market purchases.

  • Most active insider: Michael S Perry with 1 transaction totaling $1.0M.
  • Largest single sale: $1.0M by Michael S Perry on Aug 18, 2026.

Activity skews bearish: sales outpace buys.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 18, 2026Michael S PerryARWR
Sale
11,600$87.30$1.01M-22.2% 1m
Aug 18, 2026Adeoye Y OlukotunARWR
Sale
2,000$86.96$174K-22.2% 1m
Jun 15, 2026Matthew Gregory CohenARWR
Award
11,882——-16.4% 3m
May 12, 2026Hongbo LuARWR
Sale10b5
2,970$76.88$228K+8.7% 3m
Apr 23, 2026James C HamiltonARWR
Sale10b5
10,000$75.00$750K+15.7% 3m

45 more transactions hidden

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Top insiders

By total value filed.

Christopher Richard AnzaloneChief Executive Officer6 filings−$4.1M
James C HamiltonChief Discovery/Trans Medicine9 filings−$3.9M
Patrick O'BrienCOO and General Counsel12 filings−$3.1M
Michael S PerryDirector1 filing−$1.0M
Daniel Joseph ApelChief Financial Officer3 filings−$934K

Institutional Ownership

Top 13F-HR holders of Arrowhead Pharmaceuticals, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$2.42B
QoQ change
-65.6%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$735.5M
9.0M shares
#2
State Street Corp
CIK 0000093751
$464.2M
5.7M shares
#3
BlackRock, Inc.
CIK 0002012383
$345.3M
4.2M shares

Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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