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ARROWHEAD PHARMACEUTICALS, INC.

Pharmaceutical Preparations · DE · CIK 879407

Arrowhead Pharmaceuticals develops medicines that silence disease-causing genes using RNA interference

red 8-K · 90d
$10.50B
Market cap
$80.50
Last close
+2.0%
1D
-1.8%
5D
1.7M
Volume
Price · last 39 sessions+5.4%
May 4L $70.73 · H $82.00Jun 29
312
Total filings
Jun 16, 2026
Last filing
09/30
Fiscal year end
8-KExecutive ChangeJun 16, 202610-Q10-QMay 7, 20268-KResults of OperationsMay 7, 20268-KShareholder VoteMar 20, 202610-Q10-QFeb 5, 20268-KResults of OperationsFeb 5, 2026DEFA14ADEFA14AJan 27, 2026DEF 14ADEF 14AJan 27, 20268-KMaterial Agreement · New Debt / ObligationJan 12, 20268-KMaterial Agreement · Company UpdateJan 9, 2026424B5424B5Jan 9, 2026424B5424B5Jan 9, 2026424B5424B5Jan 7, 2026424B5424B5Jan 7, 20268-KReg FD Disclosure · Company UpdateJan 6, 202610-K10-KNov 25, 20258-KResults of OperationsNov 25, 20258-KCompany UpdateNov 18, 202510-K/A10-K/AOct 10, 20258-KCompany UpdateSep 12, 20258-KCompany UpdateSep 11, 20258-KMaterial AgreementSep 2, 20258-KResults of OperationsAug 7, 202510-Q10-QAug 7, 20258-KResults of OperationsMay 12, 202510-Q10-QMay 12, 20258-KExecutive ChangeApr 15, 20258-KShareholder VoteMar 19, 20258-KResults of OperationsFeb 10, 202510-Q10-QFeb 10, 2025DEFA14ADEFA14AFeb 7, 20258-KExecutive ChangeFeb 7, 2025DEFA14ADEFA14AJan 29, 2025DEF 14ADEF 14AJan 29, 20258-KExecutive ChangeDec 18, 20248-KResults of OperationsNov 26, 202410-K10-KNov 26, 2024SC 13GARROWHEAD PHARMACEUTICALS, INC.Nov 14, 20248-KResults of OperationsAug 8, 202410-Q10-QAug 8, 20248-KResults of OperationsMay 9, 202410-Q10-QMay 9, 20248-KShareholder VoteMar 19, 20248-K/AExecutive ChangeMar 18, 2024DEFA14ADEFA14AFeb 27, 20248-KExecutive ChangeFeb 22, 202410-Q10-QFeb 6, 20248-KResults of OperationsFeb 6, 2024DEFA14ADEFA14AJan 26, 2024DEF 14ADEF 14AJan 26, 20248-KExecutive ChangeJan 22, 20248-KMaterial AgreementJan 4, 2024424B5424B5Jan 4, 20248-KAuditor ChangeDec 5, 20238-KResults of OperationsNov 29, 202310-K10-KNov 29, 20238-KResults of OperationsAug 7, 202310-Q10-QAug 7, 20238-KResults of OperationsMay 2, 202310-Q10-QMay 2, 20238-KShareholder VoteMar 21, 20238-KAgreement Terminated · Company UpdateFeb 15, 20238-KExecutive ChangeFeb 14, 20238-KCompany UpdateFeb 8, 20238-KAcquisition / DispositionFeb 6, 202310-Q10-QFeb 6, 20238-KBylaw AmendmentJan 30, 2023DEF 14ADEF 14AJan 30, 2023SC 13GSC 13GJan 20, 20238-KMaterial AgreementDec 8, 20228-KResults of OperationsNov 28, 202210-K10-KNov 28, 20228-KMaterial AgreementNov 10, 202210-Q10-QAug 4, 20228-KResults of OperationsAug 4, 20228-KExecutive ChangeJul 20, 20228-KExecutive ChangeJun 6, 202210-Q10-QMay 10, 20228-KResults of OperationsMay 10, 20228-KExecutive ChangeMay 5, 2022

Insider Activity

In the 90 days to Mar 5, 2026: 8 sold $33.8M.

DateInsiderActionSharesPriceValue
Mar 5, 2026Hamilton James CChief Medical OfficerSell10,000$64.19$642K
Jan 5, 2026Hamilton James CChief Medical OfficerSell14,792$63.01$932K
Jan 5, 2026O'Brien PatrickCOOSell13,451$62.96$847K
Jan 5, 2026Hamilton James CChief Medical OfficerSell12,711$63.95$813K
Jan 5, 2026O'Brien PatrickCOOSell11,842$63.84$756K
Jan 5, 2026O'Brien PatrickCOOSell6,164$62.23$384K
Jan 5, 2026Hamilton James CChief Medical OfficerSell6,090$62.28$379K
Jan 5, 2026O'Brien PatrickCOOSell5,873$62.91$369K
Jan 5, 2026Hamilton James CChief Medical OfficerSell4,625$61.24$283K
Jan 5, 2026O'Brien PatrickCOOSell4,368$61.20$267K
Jan 5, 2026O'Brien PatrickCOOSell2,700$64.44$174K
Jan 5, 2026O'Brien PatrickCOOSell2,336$64.04$150K
Jan 5, 2026Hamilton James CChief Medical OfficerSell1,200$64.49$77K
Jan 5, 2026O'Brien PatrickCOOSell900$66.01$59K
Jan 5, 2026O'Brien PatrickCOOSell900$62.25$56K
Jan 5, 2026O'Brien PatrickCOOSell600$61.12$37K
Jan 5, 2026Hamilton James CChief Medical OfficerSell437$65.97$29K
Jan 5, 2026O'Brien PatrickCOOSell313$68.00$21K
Jan 5, 2026Hamilton James CChief Medical OfficerSell309$68.00$21K
Jan 5, 2026O'Brien PatrickCOOSell46$68.00$3K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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