| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Stock Option (Right to Buy) | 300k | $12.90 | $3.9M | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Stock Option (Right to Buy) | 255.2k | $25.27 | $6.4M | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Restricted Stock Units | 30.8k | $0.00 | $0 | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Restricted Stock Units | 20.2k | $0.00 | $0 | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Restricted Stock Units | 50k | $0.00 | $0 | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Restricted Stock Units | 64k | $0.00 | $0 | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Restricted Stock Units | 11.3k | $0.00 | $0 | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Common Stock | 301.1k | $0.00 | $0 | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Stock Option (Right to Buy) | 353.4k | $0.35 | $123.7k | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Stock Option (Right to Buy) | 313.6k | $0.42 | $131.7k | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Stock Option (Right to Buy) | 271.6k | $14.77 | $4M | | 08/11/2023 |
| 08/11/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Disposition | Stock Option (Right to Buy) | 178.6k | $15.14 | $2.7M | | 08/11/2023 |
| 05/31/2023 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 57k | $0.00 | $0 | | 05/31/2023 |
| 05/31/2023 | Atara Biotherapeutics, Inc. | ATRA | Grant | Non-Qualified Stock Option (Right to Buy) | 79.5k | $1.53 | $121.6k | | 05/31/2023 |
| 01/31/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Grant | Stock Option (Right to Buy) | 255.2k | $25.27 | $6.4M | | 01/30/2023 |
| 01/31/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Grant | Restricted Stock Unit | 64k | $0.00 | $0 | | 01/30/2023 |
| 01/31/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Restricted Stock Unit | 25k | $0.00 | $0 | | 01/30/2023 |
| 01/31/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Sale | Common Stock | 7.7k | $24.68 | $189.8k | | 01/30/2023 |
| 01/30/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Stock Option (Right to Buy) | 25k | $0.42 | $10.5k | | 01/30/2023 |
| 01/30/2023 | CHINOOK THERAPEUTICS, INC. | KDNY | Sale | Common Stock | 25k | $24.54 | $613.6k | | 01/30/2023 |
| 12/14/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Stock Option (Right to Buy) | 30k | $0.35 | $10.5k | | 12/14/2022 |
| 12/01/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Gift | Common Stock | 25k | $0.00 | $0 | | 12/01/2022 |
| 12/01/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Sale | Common Stock | 30k | $22.31 | $669.4k | | 12/01/2022 |
| 12/01/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Stock Option (Right to Buy) | 60k | $0.42 | $25.2k | | 12/01/2022 |
| 10/06/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Restricted Stock Units (RSU) | 30.8k | $0.00 | $0 | | 10/06/2022 |
| 06/23/2022 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 20.5k | $0.00 | $0 | | 06/23/2022 |
| 06/23/2022 | Atara Biotherapeutics, Inc. | ATRA | Grant | Non-Qualified Stock Option (Right to Buy) | 31.5k | $7.35 | $231.5k | | 06/23/2022 |
| 05/25/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Purchase | Common Stock | 5k | $13.03 | $65.1k | | 05/25/2022 |
| 02/10/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Restricted Stock Units (RSU) | 20.2k | $0.00 | $0 | | 02/10/2022 |
| 01/31/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Grant | Stock Option (right to buy) | 300k | $12.90 | $3.9M | | 01/31/2022 |
| 01/31/2022 | CHINOOK THERAPEUTICS, INC. | KDNY | Grant | Restricted Stock (RSU)(Common Stock) | 75k | $0.00 | $0 | | 01/31/2022 |
| 12/23/2021 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Stock Option (Right to Buy) | 40k | $0.35 | $14k | | 12/23/2021 |
| 10/06/2021 | CHINOOK THERAPEUTICS, INC. | KDNY | Exercise | Restricted Stock Units (RSU) | 30.8k | $0.00 | $0 | | 10/06/2021 |
| 09/20/2021 | CHINOOK THERAPEUTICS, INC. | KDNY | Purchase | Common Stock | 2k | $12.00 | $24k | | 09/20/2021 |
| 08/19/2021 | CHINOOK THERAPEUTICS, INC. | KDNY | Purchase | Common Stock | 3k | $12.00 | $36k | | 08/18/2021 |
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