144 0000929985 XXXXXXXX LIVE 0001369568 CATALYST PHARMACEUTICALS, INC. 001-33057 355 ALHAMBRA CIRCLE SUITE 801 CORAL GABLES FL 33134 (305) 529-2522 MCENANY PATRICK J Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

230000 5416008.53 119273436 11/11/2024 NASDAQ Common 11/11/2024 Options Granted- 01/02/2018 Issuer N 230000 11/11/2024 Cash Y 11/12/2024 /s/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick Mcenany