Company: ARWR
Filing Date: 2025-11-25
Form Type: 10-K
Source: 0000879407-25-000029
Chunk: 168

Company: ARROWHEAD PHARMACEUTICALS, INC.
Filing Date: 2025-11-25
Form: 10-K
Item: Item 8
Chunk 168
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 of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 200231.2*Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 200232.1***Certification by Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 200232.2***Certification by Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 200297**Arrowhead Pharmaceuticals, Inc. Compensation Recoupment (Clawback) Policy, dated November 20, 2023     Annual Report on Form 10-K, as Exhibit 97November 29, 2023101.INS*Inline XBRL Taxonomy Extension Instance Document101.SCH*Inline XBRL Taxonomy Extension Schema Document101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document104*The cover page from the Company’s Annual Report on Form 10-K for the year ended September 30, 2024, formatted in Inline XBRL (included as Exhibit 101)

*    Filed herewith

**    Indicates compensation plan, contract or arrangement.

***    Furnished herewith

†    Certain portions of this exhibit were redacted by means of marking such portions with asterisks because the identified portions are (i) not material and (ii) treated as private or confidential by the Company.

ITEM 16.FORM 10-K SUMMARY

None.

79

SIGNATURE

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: November 25, 2025

ARROWHEAD PHARMACEUTICALS, INC.By:/s/ Christopher AnzaloneChristopher AnzaloneChief Executive Officer

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Christopher Anzalone and Daniel Apel, and each of them, as true and lawful attorneys-in-fact and agents, with full powers of substitution and resubstitution, for