David S. Tierney - 27 Aug 2025 Form 4 Insider Report for CATALYST PHARMACEUTICALS, INC. (CPRX)

Role
Director
Signature
/s/ David S. Tierney
Issuer symbol
CPRX
Transactions as of
27 Aug 2025
Net transactions value
-$413,200
Form type
4
Filing time
28 Aug 2025, 17:00:43 UTC
Previous filing
19 Feb 2025
Next filing
24 Nov 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 28 Aug 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 $112,000 +50,000 +14% $2.24 405,620 27 Aug 2025 Direct
transaction CPRX Common Stock, par value $0.001 per share Sale $525,200 -26,000 -6.4% $20.20 379,620 27 Aug 2025 Direct F1, 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 Options to purchase common stock Options Exercise $0 -50,000 -24% $0.000000 158,274 27 Aug 2025 Common Stock 50,000 $2.24 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares were sold on the open market to fund the exercise price and estimated taxes due from Reporting Person as a result of the exercise of the stock options reported on Table II.
F2 Represents a weighted average sales price for the shares sold. Shares were sold in a range from $20.10 to $20.32 per share.
F3 Derivative securities vested in three annual tranches beginning on December 19, 2019.