ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2021

Jan 8, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD PHARMACEUTICALS, INC. (ARWR)
CIK: 0000879407
Period of Report: 2021-01-06

Reporting Person: O'Brien Patrick (General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-06	Common Stock	S	1142	$70.78	Disposed	317233	Direct
2021-01-06	Common Stock	S	10615	$72.27	Disposed	306618	Direct
2021-01-06	Common Stock	S	13243	$72.67	Disposed	293375	Direct

Footnotes

F1: Open market sale pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. The sale was made to generate proceeds to cover the tax liability incident to the vesting of restricted stock units.

F2: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.78 to $71.42, inclusive. The reporting person undertakes to provide to Arrowhead Pharmaceuticals, Inc., any security holder of Arrowhead Pharmaceuticals, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote of this Form 4.

F3: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.62 to $72.62, inclusive. The reporting person undertakes to provide to Arrowhead Pharmaceuticals, Inc., any security holder of Arrowhead Pharmaceuticals, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote of this Form 4.

F4: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.63 to $72.79, inclusive. The reporting person undertakes to provide to Arrowhead Pharmaceuticals, Inc., any security holder of Arrowhead Pharmaceuticals, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote of this Form 4.