ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2025

Dec 18, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD PHARMACEUTICALS, INC. (ARWR)
CIK: 0000879407
Period of Report: 2025-12-16

Reporting Person: Lu Hongbo (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-16	Common Stock	A	7819	—	Acquired	54982	Direct

Footnotes

F1: Represents shares underlying restricted stock units, which shares will vest in one installment on the first anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer on such date.