ARROWHEAD PHARMACEUTICALS INC. (ARWR) - Insider Holders & Insider Ownership

List of insiders holdings for ARROWHEAD PHARMACEUTICALS INC.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1Anzalone Christopher Richard
Chief Executive Officer		2026-01-05 21:39:413,792,739
0		3,792,739Form 4
2GIVEN BRUCE D
Chief Operating Officer		2020-04-29 19:19:472,838,205
0		2,838,205Form 4
3STEWART R BRUCE
Executive Chairman		2010-03-08 16:34:19872,000
0		872,000Form 4
4Ekchian Leon
President		2005-11-21 15:31:29750,000
0		750,000Form 4
5Kingsley Joseph Theodore III
Chief Financial Officer		2007-04-09 16:45:40600,000
0		600,000Form 4
6Leone Peter Brian
VP, Strategic Bus. Initiatives		2018-10-23 19:59:55564,488
0		564,488Form 4
7O'Brien Patrick
COO		2026-01-08 18:45:43547,408
0		547,408Form 4
8Lewis David L.
Chief Scientific Officer		2016-01-04 19:24:56472,500
0		472,500Form 4
9Myszkowski Kenneth Allen
Chief Financial Officer		2025-01-07 21:27:58455,433
0		455,433Form 4
10KNOTT DAVID M
10% Owner		2008-02-13 15:43:14357,143
0		357,143Form 13G
11PHILLIPS JAMES M JR
Secretary		2004-04-16 16:38:33300,000
0		300,000Form 4
12McDonnel Paul Clayton
CFO (former)		2009-08-24 13:36:31290,000
0		290,000Form 4
13Hamilton James C
Chief Medical Officer		2026-01-08 18:45:55246,958
0		246,958Form 4
14RAHN LEROY T
Director		2010-03-08 16:33:33225,000
0		225,000Form 4
15Li Zhen
Snr. VP, Chem and Non-Clin Dev		2019-01-16 20:24:20201,700
0		201,700Form 4
16SWIFT ARTHUR L
CEO, Unidym Unit		2007-06-28 15:29:27200,000
0		200,000Form 3
17San Martin Javier
Chief Medical Officer		2024-01-08 17:16:14198,497
0		198,497Form 4
18Apel Daniel Joseph
Chief Financial Officer		2026-01-08 18:45:49176,200
0		176,200Form 4
19FRYKMAN EDWARD W
Director		2018-01-03 20:06:48148,852
0		148,852Form 4
20Oliver Tracie
Chief Commercial Officer		2024-07-03 17:27:36127,107
0		127,107Form 4
21GIVEN DOUGLAS B
Director		2024-12-18 18:18:48124,167
0		124,167Form 4
22PERRY MICHAEL S
Director		2025-12-18 18:40:08123,059
0		123,059Form 4
23Hassard James
Chief Commercial Officer		2021-06-24 18:44:06105,750
0		105,750Form 4
24STAMBAUGH LARRY G
CEO, Insert/Calando		2007-11-13 16:34:54100,000
0		100,000Form 3
25Ferrari Mauro
Director		2025-12-30 17:46:2869,053
0		69,053Form 4
26Waddill William D.
Director		2025-12-23 18:01:4456,563
0		56,563Form 4
27Lu Hongbo
Director		2025-12-18 18:40:1454,982
0		54,982Form 4
28COLLIER CHARLES PATRICK
Director		2004-02-11 11:48:3150,000
0		50,000Form 3
29Jacobs Edward Lee
Subsidiary CEO		2007-01-22 17:27:2350,000
0		50,000Form 3
30INGRAM DOUGLAS S
Director		2025-12-18 18:39:5646,215
0		46,215Form 4
31McKenney Charles
Director		2015-03-06 19:48:3042,220
0		42,220Form 4
32Petrovich John George
Subsidiary CEO		2007-01-22 19:12:5640,474
0		40,474Form 3
33De Backer Marianne
Director		2023-01-11 20:38:5035,860
0		35,860Form 4
34Vakiener Victoria
Director		2025-12-23 18:01:3735,723
0		35,723Form 4
35OLUKOTUN ADEOYE Y
Director		2025-12-23 18:01:2533,600
0		33,600Form 4
36Ching Marshall Robert
10% Owner		2005-06-27 11:21:2428,666
0		28,666Form 4
37Bradshaw Curt
Chief Scientific Officer		2020-11-23 17:58:540
0		0Form 4