O'Brien Patrick
SEC CIK 1627183 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ARWR | ARROWHEAD PHARMACEUTICALS, INC. | GC | 472.8K | — | $8.24M | 16 | 2020-12-04 | 2026-01-06 |
Most active insiders at ARWR, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Anzalone Christopher Richard | CEO, Dir | — | $24.01M |
| 2 | Hamilton James C | Chief Medical Off | — | $4.63M |
| 3 | O'Brien Patrick | COO | — | $3.12M |
| 4 | PERRY MICHAEL S | Dir | — | $2.00M |
| 5 | Ferrari Mauro | Dir | — | $1.02M |
| 6 | Apel Daniel Joseph | CFO | — | $934.3K |
| 7 | OLUKOTUN ADEOYE Y | Dir | — | $850.5K |
| 8 | Vakiener Victoria | Dir | — | $679.5K |
| 9 | Waddill William D. | Dir | — | $566.0K |
| 10 | Lu Hongbo | Dir | — | $228.3K |
Transactions 16
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-01-08 | 2026-01-06 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO | G - Gift | $0.00 | -2,500 | 472.8K | -0.5% | $0 |
| 2026-01-08 | 2026-01-06 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO | A - Grant | $0.00 | +75.0K | 547.4K | +16% | $0 | |
| M | 2026-01-05 | 2025-12-31 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO | G - Gift | $0.00 | -2,800 | 526.1K | -0.5% | $0 |
| M | 2026-01-05 | 2026-01-05 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO | S - Sale | $63.11 | -49.5K | 475.0K | -9% | -$3.12M |
| M | 2025-01-07 | 2025-01-06+ | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | S - Sale | $19.80 | -37.2K | 527.2K | -7% | -$736.1K |
| 2025-01-07 | 2025-01-04 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | A - Grant | $0.00 | +100.0K | 564.4K | +22% | $0 | |
| M | 2024-01-05 | 2024-01-03+ | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | S - Sale | $34.36 | -33.2K | 402.2K | -8% | -$1.14M |
| 2024-01-05 | 2024-01-04 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | A - Grant | $0.00 | +85.0K | 487.2K | +21% | $0 | |
| M | 2023-01-06 | 2023-01-05 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | S - Sale | $37.39 | -15.0K | 420.9K | -3% | -$560.9K |
| M | 2023-01-05 | 2023-01-03 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | S - Sale | $38.33 | -17.5K | 372.1K | -4% | -$670.8K |
| 2023-01-05 | 2023-01-04 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | COO, GC | A - Grant | $0.00 | +65.0K | 428.4K | +18% | $0 | |
| D | 2022-12-22 | 2022-12-21 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | GC | M - OptEx | $6.15 | +32.0K | 380.9K | +9% | +$196.8K |
| M | 2022-01-07 | 2022-01-05 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | GC | S - Sale | $61.72 | -32.5K | 348.9K | -9% | -$2.01M |
| 2022-01-07 | 2020-12-04 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | GC | G - Gift | $0.00 | -800 | 348.1K | -0.2% | $0 | |
| D | 2022-01-04 | 2022-01-01 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | GC | A - Grant | $0.00 | +60.0K | 381.4K | +19% | $0 |
| D | 2022-01-04 | 2021-12-31 | ARWR | ARROWHEAD PHARMACEUTICALS, INC. | O'Brien Patrick | GC | M - OptEx | $6.15 | +28.0K | 321.4K | +10% | +$172.2K |
Purchase Sale Sale after option exercise All abbreviations