| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/09/2022 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 3.2k | $0.47 | $1.5k | | 08/09/2022 |
| 02/09/2022 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 3.2k | $0.46 | $1.5k | | 02/09/2022 |
| 08/09/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 867 | $3.62 | $3.1k | | 08/09/2021 |
| 04/05/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Stock Option (Right to Buy) | 5k | $4.63 | $23.2k | | 04/05/2021 |
| 02/09/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 582 | $4.81 | $2.8k | | 02/09/2021 |
| 02/08/2021 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 140k | $5.89 | $824.6k | | 02/08/2021 |
| 08/10/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 582 | $4.81 | $2.8k | | 08/10/2020 |
| 03/13/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Purchase | Common Stock | 4k | $3.91 | $15.6k | | 03/13/2020 |
| 02/10/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Common Stock | 430 | $6.23 | $2.7k | | 02/10/2020 |
| 01/23/2020 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 115k | $6.85 | $787.8k | | 01/23/2020 |
| 08/12/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Common Stock | 413 | $6.51 | $2.7k | | 08/12/2019 |
| 05/21/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Common Stock | 4.4k | $4.63 | $20.4k | | 05/21/2019 |
| 05/21/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Gift | Common Stock | 4.4k | $0.00 | $0 | | 05/21/2019 |
| 05/21/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Gift | Common Stock | 4.4k | $0.00 | $0 | By The Usman Family Trust | 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 | 350 | $7.04 | $2.5k | | 02/11/2019 |
| 01/24/2019 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 80k | $7.97 | $637.6k | | 01/24/2019 |
| 07/30/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option (Right to Buy) | 75k | $9.68 | $726k | | 07/30/2018 |
| 04/09/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Gift | Common Stock | 88 | $0.00 | $0 | | 04/09/2018 |
| 04/09/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Gift | Common Stock | 88 | $0.00 | $0 | By The Usman Family Trust | 04/09/2018 |
| 04/04/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Exercise | Stock Option (Right to Buy) | 88 | $4.63 | $407.4 | | 04/04/2018 |
| 01/12/2018 | CATALYST BIOSCIENCES, INC. | CBIO | Grant | Stock Option(Right to Buy) | 95k | $15.13 | $1.4M | | 01/12/2018 |
| 06/09/2016 | CATALYST BIOSCIENCES, INC. | CBIO | Other (acquisition) | Stock Option (Right to Buy) | 0 | $0.00 | $0 | | 06/13/2016 |