Gregg Russo - 17 Feb 2026 Form 4 Insider Report for CATALYST PHARMACEUTICALS, INC. (CPRX)

Signature
/s/ Gregg Russo
Issuer symbol
CPRX
Transactions as of
17 Feb 2026
Net transactions value
$0
Form type
4
Filing time
19 Feb 2026, 17:04:15 UTC
Previous filing
24 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Russo Gregg Chief HR Officer 355 ALHAMBRA CIRCLE, SUITE 801, CORAL GABLES /s/ Gregg Russo 19 Feb 2026 0002058326

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 +687 687 17 Feb 2026 Direct F1
transaction CPRX Common Stock, par value $0.001 per share Tax liability -211 -31% 476 17 Feb 2026 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 -687 -0.95% $0.000000 71,786 17 Feb 2026 Common Stock 687 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 common stock.
F3 Derivative securities vest in equal tranches, 1/5th each on February 13, 2026, February 13, 2027, February 13, 2028, February 13, 2029, and February 13, 2030.
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 February 17, 2026.