O'BRIEN PATRICK

PrivateCIK: 1627183
Location

PASADENA, CA

O'BRIEN PATRICK (General Counsel) received a stock award from ARROWHEAD PHARMACEUTICALS, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderO'BRIEN PATRICKCIK 1627183
Officer· General Counsel
Since Jan 2019
+72.50K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
6
Total transactions
75K acquired · 2.50K disposed
Non-Derivative Transactions6

Common Stock

Direct
G · Gift

Shares

540.00

Price / share

Trade value

% of position

0.1%
1/6/2026
474.91K474.37K

Common Stock

Direct
G · Gift

Shares

540.00

Price / share

Trade value

% of position

0.1%
1/6/2026
474.37K473.83K

Common Stock

Direct
G · Gift

Shares

540.00

Price / share

Trade value

% of position

0.1%
1/6/2026
473.83K473.29K

Common Stock

Direct
G · Gift

Shares

440.00

Price / share

Trade value

% of position

0.1%
1/6/2026
473.29K472.85K

Common Stock

Direct
G · Gift

Shares

440.00

Price / share

Trade value

% of position

0.1%
1/6/2026
472.85K472.41K

Common Stock

Direct
A · Award

Shares

+75K

Price / share

Trade value

% of position

15.9%
1/6/2026
472.41K547.41K
Total

Net shares

+72.50K

Net value

$0.00

Derivative Transactions0
No derivative transactions reported
O'BRIEN PATRICK — Insider Transaction (Form 4) Filed Jan 8, 2026 | Finecho