| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 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 |
| 11/15/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Sale | Common stock, par value $0.001 per share | 88k | $16.04 | $1.4M | | 11/15/2022 |
| 08/18/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Options to purchase common stock | 40k | $2.53 | $101.2k | | 08/18/2022 |
| 02/14/2022 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Restricted Stock Units | 12k | $0.00 | $0 | | 02/14/2022 |
| 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 |
| 09/30/2020 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 7k | $2.99 | $20.9k | | 09/30/2020 |
| 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 |
| 10/11/2019 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 10k | $4.70 | $47k | | 10/11/2019 |
| 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 | 20k | $2.50 | $50k | | 12/14/2018 |
| 06/07/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 4k | $3.31 | $13.2k | | 06/07/2018 |
| 06/07/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 1000 | $3.35 | $3.4k | | 06/07/2018 |
| 06/01/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common stock, par value $0.001 per share | 5k | $3.74 | $18.7k | | 06/01/2018 |
| 01/02/2018 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 20k | $4.01 | $80.2k | | 01/02/2018 |
| 11/16/2017 | CATALYST PHARMACEUTICALS, INC. | CPRX | Exercise | Warrants to purchase common stock | 50k | $0.47 | $23.5k | | 11/16/2017 |
| 01/03/2017 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 30k | $1.13 | $33.9k | | 01/03/2017 |
| 06/15/2016 | CATALYST PHARMACEUTICALS, INC. | CPRX | Grant | Options to purchase common stock | 25k | $0.79 | $19.8k | | 06/15/2016 |
| 06/01/2012 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common Stock, par value $0.001 per share | 20k | $0.57 | $11.4k | | 06/01/2012 |
| 05/24/2012 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common Stock, par value $0.001 per share | 31.2k | $0.80 | $25k | | 05/24/2012 |
| 05/24/2012 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Warrants to purchase common stock | 31.2k | $1.04 | $32.5k | | 05/24/2012 |
| 11/17/2009 | CATALYST PHARMACEUTICALS, INC. | CPRX | Purchase | Common Stock, par value $0.001 per share | 10k | $0.73 | $7.3k | | 11/17/2009 |