| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/11/2021 | Surrozen, Inc./DE | | Grant | Common Stock | 30k | $0.00 | $0 | | 08/11/2021 |
| 08/11/2021 | Surrozen, Inc./DE | | Disposition | | 30k | $0.00 | $0 | | 08/11/2021 |
| 02/15/2019 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 775 | $39.59 | $30.7k | | 02/15/2019 |
| 02/11/2019 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 14k | $38.55 | $538.7k | | 02/11/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 2.7k | $38.04 | $101.8k | | 02/06/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 9.7k | $38.78 | $376.1k | | 02/06/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Payment of Exercise | Common Stock | 1.5k | $38.47 | $58.2k | | 02/06/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 15k | $0.00 | $0 | | 02/06/2019 |
| 02/06/2019 | Atara Biotherapeutics, Inc. | ATRA | Grant | Employee Stock Option (Right to Buy) | 30k | $38.47 | $1.2M | | 02/06/2019 |
| 11/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 775 | $33.81 | $26.2k | | 11/15/2018 |
| 09/26/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 13.5k | $43.08 | $581.6k | | 09/26/2018 |
| 09/25/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 10k | $40.26 | $402.6k | | 09/24/2018 |
| 09/25/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 3.5k | $41.23 | $144.3k | | 09/24/2018 |
| 09/24/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 14.1k | $39.74 | $559.1k | | 09/24/2018 |
| 09/24/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 3.9k | $40.53 | $159.3k | | 09/24/2018 |
| 08/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 775 | $37.54 | $29.1k | | 08/15/2018 |
| 05/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6.9k | $44.44 | $306k | | 05/15/2018 |
| 05/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 9.6k | $45.21 | $435.7k | | 05/15/2018 |
| 05/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 9.3k | $46.02 | $425.8k | | 05/15/2018 |
| 05/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Exercise | Employee Stock Option (Right to Buy) | 25k | $11.00 | $275k | | 05/15/2018 |
| 03/26/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.1k | $40.29 | $44.3k | | 03/26/2018 |
| 03/26/2018 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 17.2k | $39.76 | $684.9k | | 03/26/2018 |
| 02/15/2018 | Atara Biotherapeutics, Inc. | ATRA | Exercise | Restricted Stock Units | 553 | $0.00 | $0 | | 02/15/2018 |
| 02/09/2018 | Atara Biotherapeutics, Inc. | ATRA | Payment of Exercise | Common Stock | 4.9k | $41.70 | $205.4k | | 02/09/2018 |
| 02/06/2018 | Atara Biotherapeutics, Inc. | ATRA | Grant | Common Stock | 17.5k | $0.00 | $0 | | 02/06/2018 |
| 02/06/2018 | Atara Biotherapeutics, Inc. | ATRA | Payment of Exercise | Common Stock | 4.4k | $35.80 | $158.5k | | 02/06/2018 |
| 02/06/2018 | Atara Biotherapeutics, Inc. | ATRA | Grant | Employee Stock Option (Right to Buy) | 35k | $35.80 | $1.3M | | 02/06/2018 |
| 11/15/2017 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 1.6k | $13.36 | $21.4k | | 11/15/2017 |
| 11/15/2017 | Atara Biotherapeutics, Inc. | ATRA | Exercise | Restricted Stock Units | 829 | $0.00 | $0 | | 11/15/2017 |
| 07/17/2017 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6k | $14.92 | $89.5k | | 07/17/2017 |
| 06/15/2017 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6k | $12.65 | $75.9k | | 06/15/2017 |
| 04/17/2017 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6k | $17.28 | $103.7k | | 04/17/2017 |
| 03/15/2017 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6k | $19.60 | $117.6k | | 03/15/2017 |
| 01/17/2017 | Atara Biotherapeutics, Inc. | ATRA | Sale | Common Stock | 6k | $14.27 | $85.6k | | 01/17/2017 |
| 11/15/2016 | Atara Biotherapeutics, Inc. | ATRA | Exercise | Restricted Stock Units | 829 | $0.00 | $0 | | 11/15/2016 |
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