| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/10/2023 | Histogen Inc. | CNAT | Grant | Stock Option (right to buy) | 158.1k | $0.95 | $150.2k | | 03/10/2023 |
| 03/10/2023 | Histogen Inc. | CNAT | Grant | Stock Option (right to buy) | 55.5k | $0.95 | $52.8k | | 03/10/2023 |
| 03/10/2023 | Histogen Inc. | CNAT | Disposition | Stock Option (right to buy) | 18.9k | $0.00 | $0 | | 03/10/2023 |
| 03/10/2023 | Histogen Inc. | CNAT | Disposition | Stock Option (right to buy) | 7.6k | $0.00 | $0 | | 03/10/2023 |
| 11/07/2022 | Histogen Inc. | CNAT | Disposition | Restricted Stock Units | 11.4k | $250.00 | $2.9M | | 11/07/2022 |
| 02/24/2022 | Histogen Inc. | CNAT | Grant | Stock Option (right to buy) | 151.6k | $0.24 | $35.7k | | 02/24/2022 |
| 01/03/2022 | Dermata Therapeutics, Inc. | | Grant | Stock Option (right to Buy) | 5k | $1.88 | $9.4k | | 01/03/2022 |
| 11/08/2021 | Histogen Inc. | CNAT | Grant | Stock Option (right to buy) | 377.8k | $0.73 | $275.4k | | 11/08/2021 |
| 11/08/2021 | Histogen Inc. | CNAT | Grant | Restricted Stock Unit | 228.4k | $0.00 | $0 | | 11/08/2021 |
| 09/02/2021 | Histogen Inc. | CNAT | Grant | Stock Option (right to buy) | 20k | $0.82 | $16.4k | | 09/02/2021 |
| 08/17/2021 | Dermata Therapeutics, Inc. | | Grant | Stock Option (right to Buy) | 10k | $7.00 | $70k | | 08/17/2021 |
| 10/07/2020 | Histogen Inc. | CNAT | Grant | Stock Option (right to buy) | 20k | $1.89 | $37.8k | | 10/07/2020 |
| 05/22/2020 | Histogen Inc. | CNAT | Payment of Exercise | Common Stock | 31.4k | $0.56 | $17.6k | | 05/22/2020 |
| 05/22/2020 | Histogen Inc. | CNAT | Exercise | Restricted Stock Units | 65k | $0.00 | $0 | | 05/22/2020 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 50k | $6.40 | $320k | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 172.5k | $4.21 | $726.2k | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 120k | $5.17 | $620.4k | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 350k | $2.00 | $700k | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Grant | Restricted Stock Units | 650k | $0.00 | $0 | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 150k | $6.40 | $960k | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 400k | $9.45 | $3.8M | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 37.5k | $1.85 | $69.4k | | 08/01/2019 |
| 08/01/2019 | Histogen Inc. | CNAT | Disposition | Stock Option (Right to Buy) | 20k | $1.85 | $37k | | 08/01/2019 |
| 02/07/2019 | Histogen Inc. | CNAT | Grant | Stock Option (Right to Buy) | 350k | $2.00 | $700k | | 02/07/2019 |
| 06/11/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Grant | Common Stock | 2.5k | $0.00 | $0 | | 06/11/2018 |
| 06/11/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Grant | Stock Option (Right to Buy) | 15k | $15.65 | $234.8k | | 06/11/2018 |
| 05/04/2018 | Histogen Inc. | CNAT | Exercise | Stock Option (Right to Buy) | 60k | $0.99 | $59.4k | | 05/04/2018 |
| 04/02/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Sale | Common Stock | 7.1k | $18.39 | $130.9k | | 04/02/2018 |
| 04/02/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Sale | Common Stock | 100 | $18.90 | $1.9k | | 04/02/2018 |
| 04/02/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Exercise | Stock Option (Right to Buy) | 10k | $7.77 | $77.7k | | 04/02/2018 |
| 03/01/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Sale | Common Stock | 9.4k | $23.27 | $219.5k | | 03/01/2018 |
| 03/01/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Exercise | Stock Option (Right to Buy) | 5k | $6.41 | $32k | | 03/01/2018 |
| 03/01/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Exercise | StockOption (Right to Buy) | 10k | $5.03 | $50.3k | | 03/01/2018 |
| 02/04/2018 | Histogen Inc. | CNAT | Grant | Stock Option (Right to Buy) | 120k | $5.17 | $620.4k | | 02/04/2018 |
| 02/01/2018 | SANGAMO THERAPEUTICS, INC | SGMO | Sale | Common Stock | 11.5k | $20.59 | $237.2k | | 02/01/2018 |
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