David S. Tierney - 08 Dec 2025 Form 4 Insider Report for CATALYST PHARMACEUTICALS, INC. (CPRX)

Role
Director
Signature
/s/ David S. Tierney
Issuer symbol
CPRX
Transactions as of
08 Dec 2025
Net transactions value
$0
Form type
4
Filing time
10 Dec 2025, 17:00:39 UTC
Previous filing
24 Nov 2025
Next filing
30 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tierney David S Director 355 ALHAMBRA CIRCLE, SUITE 801, CORAL GABLES /s/ David S. Tierney 10 Dec 2025 0001292636

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 +1,413 +0.37% 381,980 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 -1,413 -0.78% $0.000000 179,497 08 Dec 2025 Common Stock 1,413 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.