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ARROWHEAD PHARMACEUTICALS, INC.

For the period ended Jun 30, 2025. Filed Aug 7, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 7, 2025

ARWR$49.24-15.3%Stored close · as of Nov 9, 2026

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ITEM 6. EXHIBITS

ExhibitNumberDocument Description
3.1Amended and Restated Certificate of Incorporation (incorporated by reference from Exhibit 3.3 of the Company’s Form 8-K filed on April 6, 2016)
3.2Certificate of Amendment to the Amended and Restated Certificate of Incorporation of Arrowhead Pharmaceuticals, Inc. (incorporated by reference from Exhibit 3.2 of the Company’s Form 10-Q filed on May 2, 2023)
3.3Second Amended and Restated Bylaws of Arrowhead Pharmaceuticals, Inc., as amended January 24, 2023 (incorporated by reference from Exhibit 3.3 of the Company’s Form 10-Q filed on May 2, 2023)
10.1Severance and Change of Control Agreement by and between Company and Christopher Anzalone, dated May 9, 2025 (incorporated by reference from Exhibit 10.1 of the Company’s Form 10-Q filed on May 12, 2025)
10.2Severance and Change of Control Agreement by and between Company and Daniel Apel, dated May 8, 2025 (incorporated by reference from Exhibit 10.2 of the Company’s Form 10-Q filed on May 12, 2025)
10.3Severance and Change of Control Agreement by and between Company and Patrick O'Brien, dated May 9, 2025 (incorporated by reference from Exhibit 10.3 of the Company’s Form 10-Q filed on May 12, 2025)
10.4Severance and Change of Control Agreement by and between Company and James Hamilton, dated May 8, 2025 (incorporated by reference from Exhibit 10.4 of the Company’s Form 10-Q filed on May 12, 2025)
10.5CFO Retirement Letter by and between Company and Ken Myszkowski, dated May 9, 2025 (incorporated by reference from Exhibit 10.5 of the Company’s Form 10-Q filed on May 12, 2025)
10.6*Amendment No. 12 to Lease Agreement by and between Arrowhead Madison, Inc. and University Research Park, dated June 11, 2025
31.1*Certification of Chief Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*Certification of Chief Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*Inline XBRL Instance Document
101.SCH*Inline XBRL Taxonomy Extension Schema Document
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document
104*The cover page from this Quarterly Report on Form 10-Q, formatted in Inline XBRL (included as Exhibit 101)

*Filed herewith.

**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.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.