There have been 50 recent insider transactions recorded for Arrowhead Pharmaceuticals, Inc. (ARWR), including 13 buys and 33 sells. Total insider buying was valued at $963.33K and total insider selling at $12.5M.
Notable insiders with recent activity include Hamilton James C, O'brien Patrick, Apel Daniel Joseph. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ARWR
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-05 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
10,000 |
$64.19 |
$641.9K |
236,958 |
| 2026-01-06 |
O'brien Patrick |
COO |
Gift (Given) |
440 |
- |
- |
472,408 |
| 2026-01-06 |
Hamilton James C |
Chief Medical Officer |
RSU Award |
75,000 |
- |
- |
246,958 |
| 2026-01-06 |
Apel Daniel Joseph |
Chief Financial Officer |
RSU Award |
75,000 |
- |
- |
176,200 |
| 2026-01-05 |
O'brien Patrick |
COO |
Informative Sell |
46 |
$68.00 |
$3.13K |
474,908 |
| 2026-01-05 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
309 |
$68.00 |
$21.01K |
171,958 |
| 2026-01-02 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
5,771 |
$66.39 |
$383.14K |
3,792,739 |
| 2025-12-31 |
O'brien Patrick |
COO |
Gift (Given) |
560 |
- |
- |
524,401 |
| 2025-12-29 |
Anzalone Christopher Richard |
Chief Executive Officer |
Option Exercise (Sell) |
16,545 |
$6.15 |
$101.75K |
- |
| 2025-12-26 |
Ferrari Mauro |
Director |
Informative Sell |
7,530 |
$70.00 |
$527.1K |
69,053 |
| 2025-12-22 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
2,574 |
$68.85 |
$177.22K |
3,805,926 |
| 2025-12-19 |
Olukotun Adeoye Y |
Director |
Informative Sell |
827 |
$68.48 |
$56.63K |
33,600 |
| 2025-12-19 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
1,319 |
$68.48 |
$90.33K |
3,818,512 |
| 2025-12-19 |
Waddill William D. |
Director |
Informative Sell |
500 |
$68.53 |
$34.27K |
56,563 |
| 2025-12-19 |
Vakiener Victoria |
Director |
Informative Sell |
1,960 |
$68.39 |
$134.04K |
35,723 |
| 2025-12-17 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
1,981 |
$66.30 |
$131.34K |
3,831,957 |
| 2025-12-16 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
3,221 |
$67.87 |
$218.61K |
3,916,957 |
| 2025-12-16 |
Ingram Douglas S |
Director |
RSU Award |
7,819 |
- |
- |
46,215 |
| 2025-12-16 |
Olukotun Adeoye Y |
Director |
RSU Award |
7,819 |
- |
- |
43,600 |
| 2025-12-16 |
Perry Michael S |
Director |
RSU Award |
7,819 |
- |
- |
123,059 |
| 2025-12-16 |
Ferrari Mauro |
Director |
RSU Award |
7,819 |
- |
- |
76,583 |
| 2025-12-16 |
Waddill William D. |
Director |
RSU Award |
7,819 |
- |
- |
64,930 |
| 2025-12-16 |
Lu Hongbo |
Director |
RSU Award |
7,819 |
- |
- |
54,982 |
| 2025-12-16 |
Vakiener Victoria |
Director |
RSU Award |
7,819 |
- |
- |
45,763 |
| 2025-12-15 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
8,147 |
$69.96 |
$569.96K |
3,971,255 |
| 2025-12-12 |
Anzalone Christopher Richard |
Chief Executive Officer |
RSU Award |
180,000 |
- |
- |
4,101,255 |
| 2025-12-05 |
Perry Michael S |
Director |
Informative Sell |
16,250 |
$61.03 |
$991.74K |
115,240 |
| 2025-11-28 |
Ferrari Mauro |
Director |
Informative Sell |
8,750 |
$56.39 |
$493.41K |
68,764 |
| 2025-10-01 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
20,000 |
$35.00 |
$700K |
212,122 |
| 2025-09-12 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
15,000 |
$30.00 |
$450K |
232,122 |
| 2025-09-02 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
15,000 |
$25.00 |
$375K |
247,122 |
| 2025-08-15 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
9,389 |
$20.00 |
$187.78K |
262,122 |
| 2025-08-13 |
Hamilton James C |
Chief Medical Officer |
Informative Sell |
611 |
$20.00 |
$12.22K |
271,511 |
| 2025-04-15 |
Apel Daniel Joseph |
Chief Financial Officer |
Unknown |
- |
- |
- |
101,200 |
| 2025-04-11 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
50,800 |
$11.49 |
$583.69K |
3,921,255 |
| 2025-04-10 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
50,000 |
$10.87 |
$543.5K |
3,972,055 |
| 2025-04-09 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
1,617 |
$11.76 |
$19.02K |
4,022,055 |
| 2025-03-13 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
51,425 |
$15.07 |
$774.97K |
4,062,377 |
| 2025-03-04 |
Anzalone Christopher Richard |
Chief Executive Officer |
Informative Sell |
133,333 |
$17.02 |
$2.27M |
3,773,802 |
| 2025-03-03 |
Anzalone Christopher Richard |
Chief Executive Officer |
Option Exercise (Sell) |
133,333 |
$7.75 |
$1.03M |
51,726 |
| 2025-02-07 |
Anzalone Christopher Richard |
Chief Executive Officer |
RSU Award |
9,550 |
$20.10 |
$191.96K |
3,773,802 |
| 2025-02-06 |
Ingram Douglas S |
Director |
Unknown |
- |
- |
- |
- |
| 2025-02-06 |
Ingram Douglas S |
Director |
RSU Award |
38,396 |
$20.09 |
$771.38K |
38,396 |
| 2025-01-23 |
Olukotun Adeoye Y |
Director |
Informative Sell |
959 |
$21.00 |
$20.14K |
35,781 |
| 2025-01-07 |
Myszkowski Kenneth Allen |
Chief Financial Officer |
Informative Sell |
10,000 |
$19.69 |
$196.9K |
455,433 |
| 2025-01-07 |
O'brien Patrick |
COO and General Counsel |
Informative Sell |
8,000 |
$19.69 |
$157.52K |
527,201 |
| 2025-01-06 |
Myszkowski Kenneth Allen |
Chief Financial Officer |
Informative Sell |
9,402 |
$20.10 |
$188.98K |
473,433 |
| 2025-01-06 |
O'brien Patrick |
COO and General Counsel |
Informative Sell |
9,526 |
$20.10 |
$191.47K |
535,201 |
| 2025-01-06 |
Hamilton James C |
Chief Discovery/trans Medicine |
Informative Sell |
10,971 |
$20.11 |
$220.63K |
272,122 |
| 2025-01-04 |
Myszkowski Kenneth Allen |
Chief Financial Officer |
RSU Award |
100,000 |
- |
- |
500,600 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
