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Arrowhead Pharmaceuticals Inc (ARWR)

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Insider transactions

A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.

Transaction date
Executive
Executive Title
Security Type
Acquisition / Disposal
Shares
Share price
Aug 18, 2026PERRY, MICHAEL SDirectorCommon StockDisposal11,60087.3
Aug 18, 2026OLUKOTUN, ADEOYE YDirectorCommon StockDisposal2,00086.96
Jun 15, 2026COHEN, MATTHEW GREGORYDirectorCommon StockAcquisition11,8820
May 12, 2026LU, HONGBODirectorCommon StockDisposal2,97076.88
Apr 23, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal10,00075
Apr 22, 2026APEL, DANIEL JOSEPHChief Financial OfficerCommon StockDisposal1,15770.45
Apr 22, 2026APEL, DANIEL JOSEPHChief Financial OfficerCommon StockDisposal8,73071.92
Apr 22, 2026APEL, DANIEL JOSEPHChief Financial OfficerCommon StockDisposal3,20870.11
Mar 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal10,00064.19
Jan 6, 2026O'BRIEN, PATRICKCOOCommon StockAcquisition75,0000
Jan 6, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockAcquisition75,0000
Jan 6, 2026APEL, DANIEL JOSEPHChief Financial OfficerCommon StockAcquisition75,0000
Jan 6, 2026O'BRIEN, PATRICKCOOCommon StockDisposal4400
Jan 6, 2026O'BRIEN, PATRICKCOOCommon StockDisposal5400
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal12,71163.95
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal13,45162.96
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal6,16462.23
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal1,20064.49
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal43765.97
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal30968
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal11,84263.84
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal4,62561.24
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal6,09062.28
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal5,87362.91
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal60061.12
Jan 5, 2026HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal14,79263.01
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal90066.01
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal90062.25
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal2,70064.44
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal2,33664.04
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal4,36861.2
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal4668
Jan 5, 2026O'BRIEN, PATRICKCOOCommon StockDisposal31368
Jan 2, 2026ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal7,41665.88
Jan 2, 2026ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal5,77166.39
Dec 31, 2025O'BRIEN, PATRICKCOOCommon StockDisposal5600
Dec 29, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal16,54568.69
Dec 29, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerStock Option (right to buy Common Stock)Disposal35,1810
Dec 29, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerStock Option (right to buy Common Stock)Disposal16,5450
Dec 29, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal35,18169.33
Dec 29, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockAcquisition35,1816.15
Dec 29, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockAcquisition16,5456.15
Dec 26, 2025FERRARI, MAURODirectorCommon StockDisposal7,53070
Dec 22, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal10,01268.33
Dec 22, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal2,57468.85
Dec 19, 2025OLUKOTUN, ADEOYE YDirectorCommon StockDisposal82768.48
Dec 19, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal8,14768.01
Dec 19, 2025WADDILL, WILLIAM D.DirectorCommon StockDisposal50068.53
Dec 19, 2025VAKIENER, VICTORIADirectorCommon StockDisposal2,79966.63
Dec 19, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal1,31968.48
Dec 19, 2025WADDILL, WILLIAM D.DirectorCommon StockDisposal2,41666.66
Dec 19, 2025OLUKOTUN, ADEOYE YDirectorCommon StockDisposal6,08368.04
Dec 19, 2025WADDILL, WILLIAM D.DirectorCommon StockDisposal5,45168.01
Dec 19, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal3,97966.67
Dec 19, 2025VAKIENER, VICTORIADirectorCommon StockDisposal1,96068.39
Dec 19, 2025OLUKOTUN, ADEOYE YDirectorCommon StockDisposal3,09066.7
Dec 19, 2025VAKIENER, VICTORIADirectorCommon StockDisposal5,28167.97
Dec 17, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal46,28763.55
Dec 17, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal1,98166.3
Dec 17, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal35,75064.51
Dec 17, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal98265.53
Dec 16, 2025VAKIENER, VICTORIADirectorCommon StockAcquisition7,8190
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal3,22167.87
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal10,96361.25
Dec 16, 2025INGRAM, DOUGLAS SDirectorCommon StockAcquisition7,8190
Dec 16, 2025PERRY, MICHAEL SDirectorCommon StockAcquisition7,8190
Dec 16, 2025LU, HONGBODirectorCommon StockAcquisition7,8190
Dec 16, 2025FERRARI, MAURODirectorCommon StockAcquisition7,8190
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal6,66164.29
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal8,47662.94
Dec 16, 2025OLUKOTUN, ADEOYE YDirectorCommon StockAcquisition7,8190
Dec 16, 2025WADDILL, WILLIAM D.DirectorCommon StockAcquisition7,8190
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal8,41660.51
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal1,00064.96
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal1,30065.77
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal14,09562.12
Dec 16, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal16666.77
Dec 15, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal21,32169.28
Dec 15, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal100,53268.67
Dec 15, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockDisposal8,14769.96
Dec 12, 2025ANZALONE, CHRISTOPHER RICHARDDirector, Chief Executive OfficerCommon StockAcquisition180,0000
Dec 5, 2025PERRY, MICHAEL SDirectorCommon StockDisposal16,25061.03
Nov 28, 2025FERRARI, MAURODirectorCommon StockDisposal8,75056.39
Oct 1, 2025HAMILTON, JAMES CChief Medical OfficerCommon StockDisposal20,00035