James C. Hamilton - 06 Jan 2026 Form 4 Insider Report for ARROWHEAD PHARMACEUTICALS, INC. (ARWR)

Role: Chief Medical Officer
Signature: /s/James Hamilton
Issuer symbol: ARWR
Transactions as of: 06 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 08 Jan 2026, 18:45:55 UTC
Previous filing: 05 Jan 2026
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hamilton James C	Chief Medical Officer	177 EAST COLORADO BLVD, SUITE 700, PASADENA	/s/James Hamilton	08 Jan 2026	0001830755

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ARWR	Common Stock	Award	$0	+75,000	+44%	$0.000000	246,958	06 Jan 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares underlying restricted stock units which will vest in four equal annual installments.
F2	Includes previously reported shares of common stock underlying Restricted Stock Units granted to the Reporting person, a portion of which are still subject to certain vesting conditions.