ELSBERND BRIAN

PrivateCIK: 1763511
Location

CORAL GABLES, FL

ELSBERND BRIAN (Chief Compliance/Legal 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
InsiderELSBERND BRIANCIK 1763511
Officer· Chief Compliance/Legal Officer
Since Dec 2018
-2.62K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
6.67K acquired · 9.29K disposed
Non-Derivative Transactions2

Common Stock, par value $0.001 per share

Direct
M · Option Exercise

Shares

+6.67K

Price / share

Trade value

% of position

2.8%
12/29/2025
238.46K245.12K

Common Stock, par value $0.001 per share

Direct
F · Tax Withholding

Shares

2.62K

Price / share

Trade value

% of position

1.1%
12/29/2025
245.12K242.50K
Total

Net shares

+4.04K

Net value

$0.00

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

6.67K shares

Shares

6.67K

Strike price

Held after

956.14K

Exercisable

12/29/2025
ELSBERND BRIAN — Insider Transaction (Form 4) Filed Dec 30, 2025 | Finecho