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Hamilton James C's Form 4 filing

Arrowhead Pharmaceuticals, Inc.ARWR · filed Jan 5, 2026

Accession no.
0001830755-26-000002
Filed
Jan 5, 2026
Trade date
Jan 5, 2026
Filing delay
Same day
Rule 10b5-1 plan
Checked

This filing lists 7 non-derivative transactions. Open-market sales total $2.53M. It was filed on the trade date.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Hamilton James CCIK 0001830755Officer (Chief Medical Officer)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jan 5, 2026Common StockSSaleDisposed−4,625$61.24F3−$283,235207,497Direct
Jan 5, 2026Common StockSSaleDisposed−6,090$62.28F5−$379,285.2201,407Direct
Jan 5, 2026Common StockSSaleDisposed−14,792$63.01F6−$932,043.92186,615Direct
Jan 5, 2026Common StockSSaleDisposed−12,711$63.95F7−$812,868.45173,904Direct
Jan 5, 2026Common StockSSaleDisposed−1,200$64.49F8−$77,388172,704Direct
Jan 5, 2026Common StockSSaleDisposed−437$65.97F9−$28,828.89172,267Direct
Jan 5, 2026Common StockSSaleDisposed−309$68.00−$21,012171,958Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F3

The price reported on Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $60.80 to $61.66, 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.

Referenced by the price of 1 transaction in Table I.

F5

The price reported on Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $61.84 to $62.60, 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.

Referenced by the price of 1 transaction in Table I.

F6

The price reported on Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $62.61 to $63.56, 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.

Referenced by the price of 1 transaction in Table I.

F7

The price reported on Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $63.57 to $64.41, 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.

Referenced by the price of 1 transaction in Table I.

F8

The price reported on Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $64.44 to $64.70, 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.

Referenced by the price of 1 transaction in Table I.

F9

The price reported on Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $65.90 to $66.12, 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.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)