| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/27/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 15k | $36.20 | $543k | | 06/27/2023 |
| 01/04/2023 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 60k | $0.00 | $0 | | 01/04/2023 |
| 12/29/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 30.6k | $40.00 | $1.2M | | 12/29/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 15.9k | $60.50 | $962.4k | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 16.5k | $62.00 | $1M | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 3.8k | $63.17 | $238.7k | | 01/05/2022 |
| 01/05/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 3.8k | $63.95 | $242.1k | | 01/05/2022 |
| 01/01/2022 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 60k | $0.00 | $0 | | 01/01/2022 |
| 01/12/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 1.4k | $81.00 | $116.7k | | 01/11/2021 |
| 01/11/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 11.6k | $81.02 | $939.6k | | 01/11/2021 |
| 01/06/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 1.1k | $70.75 | $77.8k | | 01/06/2021 |
| 01/06/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 4.4k | $71.77 | $312.8k | | 01/06/2021 |
| 01/06/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 25.2k | $72.63 | $1.8M | | 01/06/2021 |
| 01/01/2021 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 60k | $0.00 | $0 | | 01/01/2021 |
| 11/09/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 25.8k | $69.04 | $1.8M | | 11/09/2020 |
| 11/09/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 17.7k | $69.86 | $1.2M | | 11/09/2020 |
| 11/09/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 43.5k | $14.54 | $632.6k | | 11/09/2020 |
| 10/20/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 29.2k | $54.04 | $1.6M | | 10/20/2020 |
| 10/20/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 29.2k | $6.15 | $179.4k | | 10/20/2020 |
| 02/25/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 12k | $9.90 | $118.8k | | 02/25/2020 |
| 02/25/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 2k | $5.19 | $10.4k | | 02/25/2020 |
| 02/25/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 6.5k | $14.54 | $94.4k | | 02/25/2020 |
| 02/25/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 12.1k | $7.75 | $93.9k | | 02/25/2020 |
| 02/25/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 10.8k | $6.15 | $66.6k | | 02/25/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 6.4k | $47.07 | $301.1k | | 01/21/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 6.4k | $47.93 | $308.3k | | 01/21/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 10.6k | $49.07 | $517.9k | | 01/21/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 2.8k | $49.98 | $139.9k | | 01/21/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 10.7k | $51.11 | $545.9k | | 01/21/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 3.4k | $52.13 | $179.8k | | 01/21/2020 |
| 01/21/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Exercise | Stock Option (right to buy) | 33.4k | $5.19 | $173.1k | | 01/21/2020 |
| 01/06/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 7.6k | $59.60 | $452.5k | | 01/06/2020 |
| 01/06/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 11.9k | $60.40 | $719.2k | | 01/06/2020 |
| 01/06/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Sale | Common Stock | 500 | $60.95 | $30.5k | | 01/06/2020 |
| 01/01/2020 | ARROWHEAD PHARMACEUTICALS, INC. | ARWR | Grant | Common Stock | 85k | $0.00 | $0 | | 01/01/2020 |
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