| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/03/2023 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Options to purchase common stock | 60k | $1.13 | $67.8k | | 08/03/2023 |
| 01/24/2023 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Options to purchase common stock | 50k | $0.79 | $39.5k | | 01/24/2023 |
| 12/27/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 15k | $18.59 | $278.8k | | 12/27/2022 |
| 12/27/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Restricted Stock Units | 4k | $0.00 | $0 | | 12/27/2022 |
| 12/06/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Restricted Stock Units | 1.3k | $0.00 | $0 | | 12/06/2022 |
| 11/11/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Sale | Common stock, par value $0.001 per share | 20k | $16.59 | $331.9k | | 11/11/2022 |
| 09/14/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Sale | Common stock, par value $0.001 per share | 20k | $15.34 | $306.8k | | 09/14/2022 |
| 02/14/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Restricted Stock Units | 12k | $0.00 | $0 | | 02/14/2022 |
| 01/10/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Options to purchase common stock | 40k | $2.53 | $101.2k | | 01/10/2022 |
| 01/05/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Options to purchase common stock | 50k | $3.35 | $167.5k | | 01/05/2022 |
| 12/28/2021 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 20k | $7.07 | $141.4k | | 12/28/2021 |
| 12/03/2021 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Restricted Stock Units | 1.3k | $0.00 | $0 | | 12/03/2021 |
| 12/30/2020 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 30k | $3.42 | $102.6k | | 12/30/2020 |
| 12/22/2020 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Restricted Stock Units | 1.3k | $0.00 | $0 | | 12/22/2020 |
| 12/02/2019 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 33.5k | $4.64 | $155.4k | | 12/02/2019 |
| 12/02/2019 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Restricted Stock Units | 4k | $0.00 | $0 | | 12/02/2019 |
| 12/27/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 25k | $1.91 | $47.8k | | 12/27/2018 |
| 12/19/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 25k | $2.24 | $56k | | 12/19/2018 |
| 12/14/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 60k | $2.48 | $148.8k | | 12/14/2018 |
| 06/08/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 20k | $3.41 | $68.2k | | 06/08/2018 |
| 05/30/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 20k | $3.75 | $75k | | 05/30/2018 |
| 01/02/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 20k | $4.01 | $80.2k | | 01/02/2018 |
| 01/03/2017 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 30k | $1.13 | $33.9k | | 01/03/2017 |
| 01/07/2016 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 25k | $2.03 | $50.8k | | 01/07/2016 |
| 12/30/2015 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 20k | $2.53 | $50.6k | | 12/30/2015 |
| 04/30/2015 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 5k | $3.25 | $16.2k | | 04/30/2015 |
| 04/27/2015 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 15k | $3.71 | $55.6k | | 04/27/2015 |
| 03/27/2015 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 5k | $4.17 | $20.8k | | 03/27/2015 |