Jeffrey Del - 27 Dec 2023 Form 4 Insider Report for CATALYST PHARMACEUTICALS, INC. (CPRX)

Role: Chief Commercial Officer
Signature: /s/ Jeffrey Del Carmen
Issuer symbol: CPRX
Transactions as of: 27 Dec 2023
Net transactions value: $0
Form type: 4
Filing time: 29 Dec 2023, 17:00:20 UTC
Previous filing: 12 Dec 2023
Next filing: 16 Feb 2024
SEC: View on sec.gov

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		+8,666	+64%		22,265	27 Dec 2023	Direct	F1
transaction	CPRX	Common stock, par value $0.001 per share	Tax liability		-3,839	-17%		18,426	27 Dec 2023	Direct	F2

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	-8,666	-1%	$0.000000	844,686	27 Dec 2023	Common Stock	8,666		Direct	F1, F3, F4

* 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	Shares withheld by the Registrant to satisfy applicable withholding taxes upon vesting of restricted stock units.
F3	Derivative securities vest in equal tranches, 1/3rd on December 27, 2023, 1/3rd on December 27, 2024 and 1/3rd on December 27, 2025.
F4	Shares of common stock are required to be delivered to the Reporting Person within sixty days of vesting. The first tranche of shares was delivered on December 27, 2023.