CPRX Catalyst Pharmaceuticals Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * O'Keeffe Charles B	2. Issuer Name and Ticker or Trading Symbol CATALYST PHARMACEUTICALS, INC. [ CPRX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    _____ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) 355 ALHAMBRA CIRCLE, SUITE 1250	3. Date of Earliest Transaction (MM/DD/YYYY) 12/2/2019
(Street) CORAL GABLES, FL 33134 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Options to purchase common stock	$4.64	12/2/2019		A		33500		(1)	12/2/2026	Common Stock	33500	$0	323500	D
Restricted Stock Units	(2)	12/2/2019		A		4000		(1)	(3)	Common Stock	4000	$0	327500	D

Explanation of Responses:
(1)	Derivative securities vest in equal tranches, 1/3rd on December 2, 2020, 1/3rd on December 2, 2021 and 1/3rd on December 2, 2022.
(2)	Each restricted stock unit represents a contingent right to receive one share of the Registrant's common stock upon vesting.
(3)	Shares of common stock will be delivered to the Reporting Person upon vesting.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
O'Keeffe Charles B 355 ALHAMBRA CIRCLE, SUITE 1250 CORAL GABLES, FL 33134	X

Signatures
/s/ Charles B. O'Keeffe		12/4/2019
**Signature of Reporting Person		Date