ARROWHEAD PHARMACEUTICALS, INC. — Director's Dealing 2023

Jan 6, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARROWHEAD PHARMACEUTICALS, INC. (ARWR)
CIK: 0000879407
Period of Report: 2023-01-03

Reporting Person: O'Brien Patrick (COO and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-01-03	Common Stock	S	2653	$37.53	Disposed	378222	Direct
2023-01-03	Common Stock	S	5527	$38.54	Disposed	372695	Direct
2023-01-03	Common Stock	S	500	$39.74	Disposed	372195	Direct
2023-01-03	Common Stock	S	70	$40.80	Disposed	372125	Direct
2023-01-03	Common Stock	S	2894	$37.58	Disposed	369231	Direct
2023-01-03	Common Stock	S	5286	$38.58	Disposed	363945	Direct
2023-01-03	Common Stock	S	300	$39.55	Disposed	363645	Direct
2023-01-03	Common Stock	S	270	$40.53	Disposed	363375	Direct
2023-01-04	Common Stock	A	65000	$0.00	Acquired	428375	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 $37.03 to $38.02, 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 $38.03 to $38.89, 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 $39.47 to $40.28, 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.

F5: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.06 to $38.05, 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.

F6: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.10 to $39.00, 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.

F7: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.30 to $39.72, 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.

F8: The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.42 to $40.80, 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.

F9: Represents shares underlying a restricted stock unit, which shares will vest in four equal annual installments, with a commencement date of 1/4/23.

F10: Includes previously reported shares of common stock underlying Restricted Stock Units granted to the Reporting person which are subject to certain vesting conditions.