ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2025

Dec 30, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD PHARMACEUTICALS, INC. (ARWR)
CIK: 0000879407
Period of Report: 2025-12-26

Reporting Person: Ferrari Mauro (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-26	Common Stock	S	7530	$70	Disposed	69053	Direct

Footnotes

F1: Shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

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.