12 insiders reported 129 Form 4 transactions for ARROWHEAD PHARMACEUTICALS, INC. (ARWR) over the past 18 months (most recent 2026-05-14). Recent activity: Lu Hongbo (Director) Sell 2,970 shares, Hamilton James C (Chief Medical Officer) Sell 10,000 shares, Apel Daniel Joseph (Chief Financial Officer) Sell 3,208 shares, Apel Daniel Joseph (Chief Financial Officer) Sell 1,157 shares, Apel Daniel Joseph (Chief Financial Officer) Sell 8,730 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-14 | Lu Hongbo | Director | Sell | 2,970 | $228,334 |
| 2026-04-24 | Hamilton James C | Chief Medical Officer | Sell | 10,000 | $750,000 |
| 2026-04-24 | Apel Daniel Joseph | Chief Financial Officer | Sell | 3,208 | $224,913 |
| 2026-04-24 | Apel Daniel Joseph | Chief Financial Officer | Sell | 1,157 | $81,511 |
| 2026-04-24 | Apel Daniel Joseph | Chief Financial Officer | Sell | 8,730 | $627,862 |
| 2026-03-09 | Hamilton James C | Chief Medical Officer | Sell | 10,000 | $641,900 |
| 2026-01-08 | O'Brien Patrick | COO | Buy | 75,000 | $0 |
| 2026-01-08 | O'Brien Patrick | COO | Sell | 540 | $0 |
| 2026-01-08 | O'Brien Patrick | COO | Sell | 540 | $0 |
| 2026-01-08 | O'Brien Patrick | COO | Sell | 540 | $0 |
| 2026-01-08 | O'Brien Patrick | COO | Sell | 440 | $0 |
| 2026-01-08 | O'Brien Patrick | COO | Sell | 440 | $0 |
| 2026-01-08 | Apel Daniel Joseph | Chief Financial Officer | Buy | 75,000 | $0 |
| 2026-01-08 | Hamilton James C | Chief Medical Officer | Buy | 75,000 | $0 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 560 | $0 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 560 | $0 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 560 | $0 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 560 | $0 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 560 | $0 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 4,368 | $267,322 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 6,164 | $383,586 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 13,451 | $846,875 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 11,842 | $755,993 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 900 | $59,409 |
| 2026-01-05 | O'Brien Patrick | COO | Sell | 2,700 | $173,988 |
Source: SEC Form 4 filings · as of 2026-05-14