| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/09/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 639 | $3.62 | $2.3k | | 08/09/2021 |
| 02/09/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 1.7k | $4.81 | $8k | By Howard and Gillian Levy Revocable Trust dated November 21, 1994 | 02/09/2021 |
| 02/08/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 25k | $5.89 | $147.2k | | 02/08/2021 |
| 02/08/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 25k | $5.89 | $147.2k | | 02/08/2021 |
| 08/10/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 1.8k | $4.81 | $8.5k | | 08/10/2020 |
| 03/16/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 2.5k | $4.05 | $10.1k | | 03/16/2020 |
| 02/10/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Common Stock | 1.4k | $6.23 | $8.5k | | 02/10/2020 |
| 01/23/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 45k | $6.85 | $308.2k | | 01/23/2020 |
| 05/21/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Gift | Common Stock | 16.1k | $0.00 | $0 | Howard and Gillian Levy Revocable Trust dated November 21, 1994 | 05/21/2019 |
| 05/21/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Common Stock | 4.4k | $4.63 | $20.4k | | 05/21/2019 |
| 05/20/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Stock Option (Right to Buy) | 4.4k | $4.63 | $20.4k | | 05/21/2019 |
| 02/11/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Common Stock | 2.5k | $7.04 | $17.5k | | 02/11/2019 |
| 01/24/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 35k | $7.97 | $279k | | 01/24/2019 |
| 11/26/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Stock Option (Right to Buy) | 149 | $4.63 | $689.9 | | 11/26/2018 |
| 11/16/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Stock Option (Right to Buy) | 173 | $4.63 | $801 | | 11/16/2018 |
| 11/16/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Sale | Common Stock | 173 | $11.00 | $1.9k | | 11/16/2018 |
| 07/30/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 35k | $9.68 | $338.8k | | 07/30/2018 |
| 05/03/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Stock Option (Right to Buy) | 7.6k | $4.63 | $35k | | 05/03/2018 |
| 01/12/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option(Right to Buy) | 33k | $15.13 | $499.3k | | 01/12/2018 |