CATALYST PHARMACEUTICALS, INC. — Director's Dealing 2017

May 15, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CATALYST PHARMACEUTICALS, INC. (CPRX)
CIK: 0001369568
Period of Report: 2017-05-11

Reporting Person: O'Keeffe Charles B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-11	Common stock, par value $0.001 per share	M	31250	$1.04	Acquired	463376	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-11	Warrants to purchase common stock	$1.04	X	31250	Disposed	2017-05-30	Common Stock (31250)	Direct

Footnotes

F1: Securities were sold as units, each consisting of one share of the Issuer's common stock and one five-year warrant to purchase one share of the Issuer's common stock, at a price of $0.80 per unit.