RUSSO GREGG

PrivateCIK: 2058326
Location

CORAL GABLES, FL

RUSSO GREGG (Chief HR Officer) exercised options at CATALYST PHARMACEUTICALS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderRUSSO GREGGCIK 2058326
Officer· Chief HR Officer
Since Feb 2026
-211.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
687.00 acquired · 898.00 disposed
Non-Derivative Transactions2

Common Stock, par value $0.001 per share

Direct
M · Option Exercise

Shares

+687.00

Price / share

Trade value

% of position

New position
2/17/2026
0.00687.00

Common Stock, par value $0.001 per share

Direct
F · Tax Withholding

Shares

211.00

Price / share

Trade value

% of position

30.7%
2/17/2026
687.00476.00
Total

Net shares

+476.00

Net value

$0.00

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

687.00 shares

Shares

687.00

Strike price

Held after

71.79K

Exercisable

2/17/2026