| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/15/2023 | C4 Therapeutics, Inc. | | Grant | Stock Option (Right to Buy) | 26k | $3.61 | $93.9k | | 06/15/2023 |
| 03/02/2023 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6.9k | $3.63 | $24.9k | | 03/02/2023 |
| 02/07/2023 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 2.5k | $5.46 | $13.6k | | 02/07/2023 |
| 11/16/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 5.2k | $4.49 | $23.2k | | 11/16/2022 |
| 11/16/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.1k | $4.49 | $4.9k | | 11/16/2022 |
| 08/16/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 5.9k | $5.04 | $29.9k | | 08/16/2022 |
| 06/08/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 5.9k | $5.63 | $33k | | 06/08/2022 |
| 03/16/2022 | C4 Therapeutics, Inc. | | Grant | Stock Option (Right to Buy) | 41.2k | $22.64 | $932.8k | | 03/16/2022 |
| 03/01/2022 | Atara Biotherapeutics, Inc. | ATRA | Grant | Employee Stock Option (Right to Buy) | 115.1k | $10.21 | $1.2M | | 03/01/2022 |
| 03/01/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.5k | $9.86 | $14.7k | | 03/01/2022 |
| 03/01/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 2.3k | $9.86 | $22.4k | | 03/01/2022 |
| 03/01/2022 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 61.2k | $0.00 | $0 | | 03/01/2022 |
| 02/07/2022 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 2.5k | $14.46 | $36.1k | | 02/07/2022 |
| 11/19/2021 | Flexion Therapeutics Inc | FLXN | Disposition | Stock option (right to buy) | 32k | $7.82 | $250.2k | | 11/19/2021 |
| 11/16/2021 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 3.7k | $17.12 | $62.6k | | 11/16/2021 |
| 07/09/2021 | Flexion Therapeutics Inc | FLXN | Grant | Stock option (right to buy) | 32k | $7.82 | $250.2k | | 07/09/2021 |
| 06/08/2021 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 5.8k | $14.06 | $81.8k | | 06/08/2021 |
| 05/18/2021 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 3.6k | $14.55 | $52.6k | | 05/18/2021 |
| 03/26/2021 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.8k | $14.58 | $25.7k | | 03/26/2021 |
| 03/02/2021 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.5k | $16.74 | $24.5k | | 03/02/2021 |
| 03/01/2021 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 45.3k | $0.00 | $0 | | 03/01/2021 |
| 03/01/2021 | Atara Biotherapeutics, Inc. | ATRA | Grant | Employee Stock Option (Right to Buy) | 68.3k | $17.11 | $1.2M | | 03/01/2021 |
| 02/08/2021 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.8k | $20.39 | $35.9k | | 02/08/2021 |
| 11/17/2020 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.5k | $19.77 | $29k | | 11/17/2020 |
| 08/18/2020 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.5k | $12.09 | $18.1k | | 08/18/2020 |
| 06/09/2020 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 3.9k | $10.18 | $39.9k | | 06/09/2020 |
| 05/18/2020 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.4k | $11.22 | $16k | | 05/18/2020 |
| 03/27/2020 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.8k | $9.17 | $16.8k | | 03/27/2020 |
| 03/01/2020 | Atara Biotherapeutics, Inc. | ATRA | Grant | Employee Stock Option (Right to Buy) | 73.8k | $12.15 | $896.1k | | 03/01/2020 |
| 03/01/2020 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 66.9k | $0.00 | $0 | | 03/01/2020 |
| 02/06/2020 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.8k | $14.21 | $25.3k | | 02/06/2020 |
| 03/26/2019 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 10k | $0.00 | $0 | | 03/26/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 17.1k | $0.00 | $0 | | 02/06/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Grant | Employee Stock Option (Right to Buy) | 34.1k | $38.47 | $1.3M | | 02/06/2019 |
| 07/27/2018 | Atara Biotherapeutics, Inc. | ATRA | Purchase | Common Stock | 2k | $36.80 | $73.6k | | 07/27/2018 |
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