Patrick J. McEnany - 08 Dec 2025 Form 4 Insider Report for CATALYST PHARMACEUTICALS, INC. (CPRX)

Role: Director, Chairman of Board of Directors
Signature: /s/ Patrick J. McEnany
Issuer symbol: CPRX
Transactions as of: 08 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 10 Dec 2025, 17:00:34 UTC
Previous filing: 03 Dec 2025
Next filing: 30 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MCENANY PATRICK J	Director, Chairman of Board of Directors	355 ALHAMBRA CIRCLE, SUITE 801, CORAL GABLES	/s/ Patrick J. McEnany	10 Dec 2025	0000929985

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CPRX	Common Stock, par value $0.001 per share	Options Exercise		+3,534	+0.09%		4,152,011	08 Dec 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CPRX	Restricted Stock Units	Options Exercise	$0	-3,534	-0.19%	$0.000000	1,878,282	08 Dec 2025	Common Stock	3,534		Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the Registrant's common stock upon vesting.
F2	Derivative securities vested in equal tranches, 1/3rd on December 8, 2024, 1/3rd on December 8, 2025 and 1/3rd on December 8, 2026.
F3	Shares of common stock are required to be delivered to the Reporting Person within sixty days of vesting. The second tranche of shares was delivered on December 8, 2025.