ARROWHEAD PHARMACEUTICALS IN

Ticker: ARWR CUSIP: 04280A100 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,832,946 Value ($000) $121,689 Avg Close $49.01 Range $34.38 - $72.36

Q3 2025

Shares 993,000 Value ($000) $34,249 Avg Close $21.98 Range $14.30 - $34.61

Q3 2024

Shares 26,439 Value ($000) $512 Avg Close $24.41 Range $19.07 - $30.41

Q2 2024

Shares 19,461 Value ($000) $506 Avg Close $24.57 Range $21.39 - $28.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,832,946	$121,689	$49.01	$34.38 - $72.36
Q3 2025	993,000	$34,249	$21.98	$14.30 - $34.61
Q3 2024	26,439	$512	$24.41	$19.07 - $30.41
Q2 2024	19,461	$506	$24.57	$21.39 - $28.50