| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 01/05/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 7.5k | $37.39 | $280.4k | | 01/05/2023 |
| 01/04/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 65k | $0.00 | $0 | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 2.7k | $37.53 | $99.6k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 5.5k | $38.54 | $213k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 500 | $39.74 | $19.9k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 70 | $40.80 | $2.9k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 2.9k | $37.58 | $108.8k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 5.3k | $38.58 | $203.9k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 300 | $39.55 | $11.9k | | 01/03/2023 |
| 01/03/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 270 | $40.53 | $10.9k | | 01/03/2023 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 12.4k | $60.49 | $752.1k | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 10.4k | $61.88 | $640.5k | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 5k | $62.49 | $312.4k | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 4.4k | $63.75 | $280.5k | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 316 | $64.35 | $20.3k | | 01/05/2022 |
| 01/01/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 60k | $0.00 | $0 | | 12/31/2021 |
| 12/31/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy Common Stock) | 28k | $6.15 | $172.2k | | 12/31/2021 |
| 02/08/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 90k | $5.22 | $469.8k | | 02/08/2021 |
| 02/08/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 5.4k | $89.66 | $487.4k | | 02/08/2021 |
| 02/08/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 45.3k | $88.88 | $4M | | 02/08/2021 |
| 02/08/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 31.3k | $88.08 | $2.8M | | 02/08/2021 |
| 02/08/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 8k | $86.72 | $690.4k | | 02/08/2021 |
| 01/06/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 1.1k | $70.78 | $80.8k | | 01/06/2021 |
| 01/06/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 10.6k | $72.27 | $767.1k | | 01/06/2021 |
| 01/06/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 13.2k | $72.67 | $962.4k | | 01/06/2021 |
| 01/01/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 60k | $0.00 | $0 | | 01/01/2021 |
| 12/04/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Gift | Common Stock | 800 | $0.00 | $0 | | 01/05/2022 |
| 01/06/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 5.6k | $59.61 | $333.5k | | 01/06/2020 |
| 01/06/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 8.9k | $60.43 | $539.7k | | 01/06/2020 |
| 01/06/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 100 | $61.02 | $6.1k | | 01/06/2020 |
| 01/01/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 70k | $0.00 | $0 | | 01/01/2020 |
| 05/28/2019 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 30k | $24.88 | $746.4k | | 05/28/2019 |
| 01/18/2019 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 72k | $14.43 | $1M | | 01/18/2019 |
| 01/01/2019 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 70k | $0.00 | $0 | | 01/01/2019 |
| 01/01/2018 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 60k | $0.00 | $0 | | 01/01/2018 |
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