arwr-20230211
0000879407FALSE00008794072023-02-112023-02-11

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF
THE SECURITIES EXCHANGE ACT OF 1934
February 11, 2023
Date of Report
(Date of earliest event reported)
Arrowhead Pharmaceuticals, Inc.
(Exact name of registrant as specified in its charter)
Delaware001-3804246-0408024
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
177 E. Colorado Blvd, Suite 700, Pasadena, CA 91105
(Address of principal executive offices, including Zip Code)
(626) 304-3400
(Registrant’s telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class Trading Symbol(s) Name of each exchange on which registered
Common Stock, par value $0.001 per share ARWR The Nasdaq Global Select Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
On February 11, 2023, Marianne De Backer, a director of Arrowhead Pharmaceuticals, Inc. (the “Company”), notified the Company of her decision to resign as a director, effective as of April 2, 2023. Dr. De Backer is an independent director who also serves as a member of the Company’s Audit Committee, Compensation Committee, and as Chair of its Nomination Committee. Dr. De Backer's decision to resign was based on her recent appointment as Chief Executive Officer and director of Vir Biotechnology, Inc., and did not result from any disagreement with the Company.






SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
Date: February 14, 2023
ARROWHEAD PHARMACEUTICALS, INC.
  
By:/s/ Kenneth Myszkowski
 Kenneth Myszkowski
 Chief Financial Officer