Home β€Ί Stock analysis β€Ί ARWR

Arrowhead Pharmaceuticals (ARWR) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

Updated Oct 16, 2026, 4:00 PM ET

What changed since yesterday

ARWR slides 4.4% to $55.90, a 6-month low. Closed at $55.90, -4.44% vs the prior close of $58.50. Day range $55.83–$58.45, opened at $58.45.

Last close$55.90-4.44%
Day range55.83–58.45
Open58.45
Volume1.77M
52-week range36.57–95.49
Avg volume (20d)2.11M

ARWR daily analysis β€” what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 16, 2026 β€” ARWR slides 4.4% to $55.90, a 6-month low
Oct 15, 2026 β€” ARWR ends flat (+0.2%) to $58.50
Oct 14, 2026 β€” ARWR rises 0.4% to $58.37 on 2.4x normal volume
Oct 13, 2026 β€” ARWR slides 4.3% to $58.13, a 6-month low
Oct 12, 2026 β€” ARWR slides 3.2% to $60.73, a 6-month low
Oct 9, 2026 β€” ARWR jumps 3.3% to $62.75
Oct 8, 2026 β€” ARWR dips 1.2% to $60.74, a 6-month low, 7 down days in a row
Oct 7, 2026 β€” ARWR ends flat (-0.1%) to $61.48, a 6-month low, 6 down days in a row
Oct 6, 2026 β€” ARWR dips 1.3% to $61.54, a 3-month low, 5 down days in a row
Oct 5, 2026 β€” ARWR dips 2.9% to $62.35, a 3-month low, 4 down days in a row
Oct 2, 2026 β€” ARWR dips 0.9% to $64.19, a 3-month low, 3 down days in a row

ARWR latest news & SEC filings

Every SEC filing by or about ARWR in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Aug 20, 2026 Β· Form 4 β€” Insider trade

Insider trade report (Form 4) β€” a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001242615-26-000002

Aug 20, 2026 Β· Form 4 β€” Insider trade

Insider trade report (Form 4) β€” a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001250379-26-000002

Aug 18, 2026 Β· Form 144 β€” Planned insider sale

Notice of proposed sale (Form 144) β€” an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001628280-26-057774

Aug 18, 2026 Β· Form 144 β€” Planned insider sale

Notice of proposed sale (Form 144) β€” an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001628280-26-057767

Aug 14, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0000902664-26-003461

Aug 4, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0000879407-26-000058

Aug 4, 2026 Β· Form 10-Q β€” Quarterly report

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

Source: SEC EDGAR filing 0000879407-26-000057

Jul 31, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0002100121-26-000891

Jul 27, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0002012383-26-002186

Things to know before you trade ARWR

ARWR market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 16, 202658.4558.4555.8355.901.77M
Oct 15, 202658.5059.4057.4058.502.01M
Oct 14, 202658.4860.5357.1558.374.16M
Oct 13, 202660.0460.7358.0858.132.26M
Oct 12, 202662.4962.5060.4860.731.19M
Oct 9, 202660.7262.9960.4462.752.77M
Oct 8, 202660.5461.1359.2160.741.78M
Oct 7, 202661.6362.7560.7861.481.82M
Oct 6, 202662.8663.1960.5661.541.68M
Oct 5, 202664.7664.7662.2262.352.25M
Oct 2, 202665.5766.1663.9964.191.49M
Oct 1, 202665.0065.7564.5064.791.52M
Sep 30, 202666.8066.8065.0965.451.74M
Sep 29, 202665.4666.8364.5766.252.87M
Sep 28, 202665.0066.1163.9965.461.59M
Sep 25, 202666.5067.4465.4065.921.62M
Sep 24, 202667.0067.4565.4666.071.63M
Sep 23, 202672.1572.4966.2766.962.55M
Sep 22, 202668.8572.3668.0871.863.12M
Sep 21, 202667.4669.2666.0668.792.35M

About Arrowhead Pharmaceuticals

Arrowhead Pharmaceuticals (ARWR) is listed on the Nasdaq and classified by the SEC under β€œPharmaceutical Preparations”. Its business address is in PASADENA, CA. State of incorporation: DE. Fiscal year ends September 30. SEC CIK 879407.

ARWR board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Christopher Richard AnzaloneChief Executive OfficerJan 5, 2026
Matthew Gregory CohenDirectorJun 17, 2026
Mauro FerrariDirectorDec 30, 2025
Douglas S IngramDirectorDec 18, 2025
Hongbo LuDirectorMay 14, 2026
Adeoye Y OlukotunDirectorAug 20, 2026
Michael S PerryDirectorAug 20, 2026
Victoria VakienerDirectorDec 23, 2025
William D. WaddillDirectorDec 23, 2025

Executive officers

NameTitleLatest filing
Christopher Richard AnzaloneChief Executive OfficerJan 5, 2026
Daniel Joseph ApelChief Financial OfficerApr 24, 2026
James C HamiltonChief Medical OfficerApr 24, 2026
Patrick O'BrienCOOJan 8, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
Aug 18, 2026Adeoye Y OlukotunSale2,000$86.96
Aug 18, 2026Adeoye Y OlukotunSale2,000$86.96
Aug 18, 2026Adeoye Y OlukotunSale2,000$86.96
Aug 18, 2026Adeoye Y OlukotunSale2,000$86.96
Aug 18, 2026Michael S PerrySale11,600$87.30
Aug 18, 2026Michael S PerrySale11,600$87.30
Aug 18, 2026Michael S PerrySale11,600$87.30
Aug 18, 2026Michael S PerrySale11,600$87.30
May 12, 2026Hongbo LuSale2,970$76.88
May 12, 2026Hongbo LuSale2,970$76.88
May 12, 2026Hongbo LuSale2,970$76.88
May 12, 2026Hongbo LuSale2,970$76.88
Apr 23, 2026James C HamiltonSale10,000$75.00
Apr 23, 2026James C HamiltonSale10,000$75.00
Apr 23, 2026James C HamiltonSale10,000$75.00

ARWR financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Sep 30, 2025$829.45M$-1.63M-0.01$179.55M
Sep 30, 2024$3.55M$-599.49M-5.00$-462.85M
Sep 30, 2023$240.74M$-205.28M-1.92$-153.89M
Sep 30, 2022$243.23M$-176.06M-1.67$-136.13M
Sep 30, 2021$138.29M$-140.85M-1.36$171.31M

Latest balance sheet: total assets $2.11B, total liabilities $β€”, cash $69.40M (as of Jun 30, 2026).

ARWR earnings / results-day log

DateFilingClose that day
Aug 4, 20268-K Item 2.02 (results)$89.59
May 7, 20268-K Item 2.02 (results)$77.95
Feb 5, 20268-K Item 2.02 (results)$64.64
Nov 25, 20258-K Item 2.02 (results)$46.79
Aug 7, 20258-K Item 2.02 (results)$16.06
May 12, 20258-K Item 2.02 (results)$13.97
Feb 10, 20258-K Item 2.02 (results)$19.92
Nov 26, 20248-K Item 2.02 (results)$21.05
Aug 8, 20248-K Item 2.02 (results)β€”
May 9, 20248-K Item 2.02 (results)β€”
Feb 6, 20248-K Item 2.02 (results)β€”
Nov 29, 20238-K Item 2.02 (results)β€”

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.