Company: ARWR
Filing Date: 2025-01-29
Form Type: ARS
Source: 0001628280-25-002866
Chunk: 230

Company: ARROWHEAD PHARMACEUTICALS, INC.
Filing Date: 2025-01-29
Form: ARS
Chunk 230
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700 Pasadena CA 91105 Attn: Corporate Secretary Phone (626) 304-3400 Delinquent Section 16(a) Reports Section 16(a) of the Exchange Act requires our directors, executive officers, and greater-than-10% stockholders to file forms with the SEC to report their ownership of Company shares and any changes in ownership. We have reviewed all forms filed electronically with the SEC. Based on that review and on written information given to us by our executive officers and directors, we believe that all of our directors and executive officers filed the required reports on a timely basis under Section 16(a) during fiscal 2024, except for the inadvertent late filing of one Form 5 reporting one transaction for Dr. Lu. Table of Contents 2025 PROXY STATEMENT Certain Relationships and Related Transactions, and Director Independence 66

Other Matters The Company knows of no other matters to be submitted at the Annual Meeting. If any other matters properly come before the meeting, it is the intention of the persons named in the proxy card to vote on such matters in accordance with their best judgment. BY ORDER OF THE BOARD OF DIRECTORS /s/ Patrick O’Brien Patrick O’Brien, Secretary Pasadena, California January 28, 2025 Table of Contents 2025 PROXY STATEMENT Certain Relationships and Related Transactions, and Director Independence 67

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